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➤Board exams are round the ➤As we battle stress in this ➤ IPL 2021: New-look RCB STUDENT EDITION corner. Check your physics pandemic times, experts share takes on defending TODAY’S quotient with the physics sample quick tricks to kick-start your champions MI in the opening FRIDAY, APRIL 9, 2021 Newspaper in EDITION paper, prepared by your teacher happy hormones match, amid Covid scare Education PAGE 2 PAGE 3 PAGE 4 WEB EDITION

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VIEWPOINT IMA URGES PM MODI TO OPEN CRISTIANOMukesh RONALDO Ambani BECOMESfirst, Adani FOOTBALL'S 2nd on COVID VACCINATION FOR ALL HIGHEST-GOALForbes 10 SCORERrichest Indian billionaires ABOVE 18 YEARS 2021 list WANT OR NEED... Amid a surge in Covid-19 cases in India reported the highest-ever the country, the Indian Medical 1,26,789 new Covid-19 cases in the ith a net worth of $84.5 Association (IMA) has written to last 24 hours, as per the Union billion, Mukesh Ambani, W the chairman of Reliance Prime Minister Narendra Modi health ministry data on Thursday. Industries Ltd, has secured the first spot on the Forbes 10 richest Indian bil- suggesting that vaccination be India has given more than nine crore lionaires 2021 list. The Adani Group allowed for all people above the doses of vaccine, and Thursday's chairman Gautam Adani is at the sec- tally stood at 9,01,98,673 ond place($50.5 billion). An unprece- age of 18 years dented surge in the wealth of the bil- lionaires comes amid a rapid rise in the The IMA also suggested stock market, even as Covid-19 cases that private sector family STUDENTS' TAKE THE CHALLENGES & HOW TO TAKE continue to rise across the country. 1 clinics should be included According to Forbes, the number of bil- lionaires increased to 140 from 102 last actively in the vaccination drive,  As the  Our country has a humon- IT FORWARD... EXPERTS SPEAK year, and their collective wealth dou- along with the private hospitals supply of gous working-population aged Let’s remember children’s immune can be dealt with, if the govt takes bled to $596 billion last year. Making vaccination certifi- vaccine is between 20 and 40. It’s time systems are different from the up the programme first in areas, cate mandatory for entering limited, I they are inoculated, lest it adults. So, their immune responses where the infection rate is high.  HCL founder Shiv Nadar public places and 2 feel prece- takes a huge toll on the health can vary at different ages— from DR PRAVIN GARG, consulting physician, receiving products is perched on the third dence of the masses, which in turn infancy through the teenage years. Ahmedabad under the public spot on the Forbes 10 rich- should be could effect our economy. The major challenge remains on get- distribution system, est billionaires 2021 list, given to the HARSH KUMAR AGARWAL, ting a clarity on how safe it is to inoc- was also part of the The database of youth above 18 with a net worth of $23.5 priority groups, which class X, National English School, Kolkata ulate the young population years is still not in place. Also, with suggestions made by include the senior citizens billion the association DR SANGITA KESKAR, head of patholo- malls, pubs, cinemas, etc, open, it and those with co-morbidi-  With the cases of coronavirus gy, Chinmaya Mission Hospital, conveys a wrong message to the  Avenue Supermarts' It said that ties. However, in Covid on a deadly surge, I feel Covid vac- Bengaluru youngsters that Covid affects only founder Radhakishan the availabil- hotspots, where the posi- cine should be made compulsory The major challenge with the gov- the elders. They may not be ready to Damani at $16.5 billion and ity of vacci- 3 tive cases are high, people for everyone above the age of 18, ernment in inoculating the young Kotak Mahindra Bank’s MD take the jab. nation with all doc- above the age of 18, should as it’s the young population, who population lies with the demand and Uday Kotak with a fortune tors and family DR A SRIKANTH, secretary, Indian be vaccinated to break the are venturing out from their supply of the vaccine. However, it of $15.9 billion took the physicians will have a Dental Association, Hyderabad chain. homes for different purpose. positive impact on the fourth and the fifth spot on SAI KRISHNA PRIYA, class X, inoculation drive ADITYA SINGH, class XII, Sadhu SHARE YOUR VIEWS AT [email protected] the list respectively GTAVM, Chennai Vaswani International School, Pune

MAHIWAY ASTEROID THAT ELIMINATED SALMA HAYEK JOINS LADY GAGA DINOSAUR GAVE RISE TO MS DHONI ANNOUNCES AMAZON RAINFOREST AND ADAM DRIVER IN RIDLEY ANIMATED SPY SERIES SCOTT'S 'HOUSE OF GUCCI' 'CAPTAIN 7' DID ormer India captain alma Hayek is the latest YOU  Reggiani was abandoned after 12 Mahendra Singh Dhoni is set to pro- A-lister in the cast of KNOW years of marriage by Maurizio F duce an animated series, titled 'Captain 7'. S veteran filmmaker Gucci in 1985 for a younger The first season of the spy series, which is cur- Ridley Scott's 'House of Gucci'. woman. She was tried and con- rently in pre-production, will be based on The much-awaited movie will Billed victed of orchestrating her ex- Dhoni, the makers said. The ‘seven’ in feature pop star Lady Gaga as as the husband's assassination on the the title refers to Dhoni's jersey num- Patrizia Reggiani, the ex-wife country's first steps of his office in Italy in ber, which he donned in many one-day of Guccio Gucci's grandson ‘animated spy 1995 international matches. The project is a Maurizio Gucci (to be played by universe’, the  She got the nickname the joint venture between Mahendra Singh Adam Driver). Hayek will essay show will launch Black Widow during the trial Dhoni and wife Sakshi Singh Dhoni's with its first the role of Pina Auriemma, who and served 18 years production house Dhoni Entertainment season in was a clairvoyant friend of before being released Pvt Ltd, and Black White Orange Brands 2022 he asteroid impact that wiped out the Reggiani, reported Deadline. from prison in 2016 dinosaurs from the Earth also gave Pvt Ltd(BWO). T birth to the Amazon rainforest, says a new study. In an analysis of thousands of fossil pollen and leaves, researchers found that the PANDEMIC cataclysmic asteroid impact that resulted in LOSS Evidence of the destruction of nearly 75 per cent of all the NORTH KOREA BECOMES FIRST terrestrial life on the Earth drastically restruc- normalisation of tured the tropical forests. It also set the stage for the evolution of what has become one of India’s economic the planet's most-diverse ecosystems — the country to drop out of Tokyo Olympics neo-tropical rainforest, according to the study. activity: Gita orth Korea's sports ministry has said that its national  It will be the first time for Gopinath According to the findings, late Olympic Committee has North Korea to miss a Summer Cretaceous rainforests were charac- 1 decided not to participate in Olympics since 1988, when it terised by an open canopy environment. N boycotted the Seoul Games However, plant diversity declined by the 32nd Olympic Games, in order to pro- tect its players from the world public during the Cold War 2roughly 45 per cent at the Cretaceous- nternational Monetary Fund (IMF) chief Gita Gopinath health crisis caused by Covid-19.  The pandemic has already Paleogene (K/Pg) boundary and extinc- pushed back the Tokyo Games has said that there is an evidence of normalisation of However, Japan's Olympic Committee said India’s economic activity, ahead of the annual spring tions were widespread, particularly among to July 23, 2021 — originally I the seed-bearing plants that North Korea has not yet notified it meeting of the IMF and World Bank in Washington. that it wouldn't participate. scheduled for 2020 — and the While the forests recovered over the organisers have scrambled to subsequent six million years, The IMF recently upgraded India’s growth 3 put in place anti-virus measures, such as banning international spectators angiosperms or the flowering plants, came FYI: All International Olympic projection for the financial year 2021-22 to ensure the safety of athletes and residents to dominate the forests, said the study Committee member countries  While North Korea claims to be coronavirus-free, outsiders remain (FY22) upwards to 12.5% from 11.5% earlier, This transition led to the closed are required to take part in doubtful about whether the country has escaped the pandemic entirely, but cautioned that the outlook did not factor 4canopy structure and the layered, ver- tical distribution of plant biodiversity that each Games under the given its poor health infrastructure, and a porous border it shares with in “sever risks”, arising out of the ongoing defines the modern tropical rainforests Olympic charter China, its economic lifeline second wave of Covid-19 In the beginning there was nothing, which exploded. MOCK PAPERS -Terry Pratchett 02 FRIDAY, APRIL 9, 2021 TAKETAKE THETHE QUANTUMQUANTUM LEAPLEAP CLASS: XII - 2020-21 SUBJECT: TO SUCCESS IN PHYSICS PHYSICS (CBSE) TO SUCCESS IN PHYSICS Maximum Marks: 55

GENERAL INSTRUCTIONS PRACTICE PAPER SET BY MANJU RATHEE, PGT (PHYSICS), UDGAM SCHOOL FOR CHILDREN, AHMEDABAD You may use the following values of physical constants wherever necessary. screen by travelling different distances Q21. Draw a plot of potential energy of c = 3 × 108 m/s and hence alternate bright and dark a pair of nucleons as a function of their h = 6.63 × 10-34Js fringes are formed on the screen. If two separation. Write two important con- e = 1.6 × 10-19 C waves reach at a point with phase differ- clusions which you can draw regarding -7 -1 mo = 4p ×10 T m A ence of even multiple of p, bright fringe the nature of nuclear forces. -12 2 -1 -2 e0 = 8.854 × 10 C N m will be formed and for a phase difference Q22. A ray PQ incident p 1 = 9 × 109 N m2 C-2 of odd multiple of , dark fringe will be normally on the refract- 4pe0 formed. The fringe width depends on the ing face BA is refracted -31 me = 9.1 × 10 kg wavelength (l) of light used, separation in the prism BAC made of mass of neutron = 1.675 × 10-27 kg between the slits (d) and distance of slits material of refractive in- mass of proton = 1.673 × 10-27 kg from the screen (D). dex 1.5. Complete the path Avogadro's number = (i) In Young's double-slit experiment, the of ray through the prism. 6.023 × 1023 per gram mole phase difference between the light waves From which face will the ray emerge out? Boltzmann constant=1.38 × 10-23 JK-1 reaching the third bright fringe from the Q23. A biconvex lens has a focal length central fringe will be (l= 6000 Å) 2/3 times the radius of curvature of ei- p p p (1 mark each) a) 2 b) 4 c) 6 d) Zero ther surface. Calculate the refractive in- SECTION-A (ii) What happens to the interference dex of lens material. pattern the two slits S1 and S2 in Young's Q24. What is light emitting diode? Draw Q1. If the radius of inner most electronic double experiment are illuminated by the V-I characteristic of an LED. Write orbit of a hydrogen atom is 0.53 Å then two independent but identical sources? the factor which controls what will be the radius of n=2 orbit? (a) The intensity of the bright fringes (a) wavelength of light emitted, Q2.The ground state energy of hydro- doubled (b) intensity of light emitted by an LED. gen atom is -13.6 eV.What are the kinet- b) Both A and R are true but R is NOT applying a voltage to a capacitor and (b) The intensity of the bright fringes Q25. With the help of a suitable diagram, ic and potential energies of electron in the correct explanation of A measuring the charge on the plates, the becomes four times explain the formation of depletion re- this state? c) A is true but R is false ratio of the charge Q to the voltage V (c) Two sets of interference fringes over- gion in a p-n junction. How does its width Q3. At a place the horizontal component d) A is false and R is also false will give the capacitance value of the ca- lap change when the junction is of Earth's magnetic field is 0.4 Oersted, Q11. STATEMENT - 1 pacitor and is therefore given as: C = Q/V (d) No interference pattern is observed (i) forward biased (ii) reverse biased? angle of dip is 60°. Calculate the value When a charged particle is placed in the (iii) In Young's double slit experiment of earth's total field at that place. cavity in a conducting sphere induced the distance between the slit and the SECTION-D (5 marks each) Q4. Consider a charge on the outer surface of the sphere screen is doubled and the separation be- magnet of pole is found to be uniformly distributed. tween the slit is reduced to half. The Q26. (a) Using Gauss' law,obtain the ex- strength qm.Ifa STATEMENT - 2 fringe width becomes: pression for the electric field due to an magnet is cut per- Conducting surface is equipotential sur- a) double b) four time infinitely long straight conductor of lin- pendicular to the face. c) half d) remains unchanged ear charge density l. length in two equal Q12. STATEMENT - 1: (iv) A double slit interference experi- (b) A wire AB of length L has linear parts, then what is Any charge will move from electric po- (i) In which of the following forms is the ment is carried out in air and the entire charge density l = kx, where x is meas- the pole strength of each pole and mag- tential [V1 to V2] by its own; when V1>V2. energy stored in a capacitor? arrangement is dipped in water. The ured from the end A of the wire. This netic dipole moment of each part? STATEMENT - 2: a) Charge b) Potential fringe width wire is enclosed by a Gaussian hollow Q5. A transformer is used to light a 100 Electron moves from V1 = 2V towards V2 c) Magnetic field d) Electric field a) increases b) decreases c) remains un- surface. Find the expression for the elec- W and 110 V lamp from a 220 V mains. If = 4 V. (ii) An electric charge of 425 µC is re- changed. d) fringe pattern disappears. tric flux through this surface. the main current is 0.5 A, What is the ef- Q13. STATEMENT - 1: moved from a fully charged capacitor of Q27. A device 'X' is connected to an ac ficiency of the transformer? Different colours travel with different capacitance 8.5µF. Its potential will be SECTION-C (2 marks each) source V = V0 sin wt. The variation of Q6. How is electromagnetic wave pro- speed in vacuum lowered by: voltage, current and power in one cycle duced? Draw a sketch of a plane e.m. STATEMENT - 2: a) 75 V b) 100 V c) 85 V d) 50 V Q17. Derive an expression for the cur- is shown in the following graph: wave propagating along X-axis depict- Wavelength of light depends on refrac- (iii) When a dielectric slab is introduced rent density of a conductor in terms of ing the directions of the oscillating elec- tive index of medium. between the plates of a parallel plate ca- the drift speed of electrons. tric and magnetic fields. Q14. STATEMENT - 1: pacitor which remains connected to a Q18. A square shaped plane coil of area Q7. Electromagnetic waves travelling in A fish inside a pond will see a person battery then charge on the plates rela- 100 cm² of 200 turns carries a steady cur- a medium having relative permeability standing outside taller than he is actu- tive to earlier charge is : rent of 5A. It is placed in a uniform mag- mr = 1.3 and relative permittivity Er = 2.14. ally. a) more b) less netic field of 0.2 T acting perpendicular Calculate the speed of electromagnetic STATEMENT - 2: c) less or may be more d) same to the plane of the coil. Calculate the waves in that medium. Light bend away from the normal as it (iv) A capacitor is connected across a torque on the coil when its plane makes Q8. Name the types of e.m. radiations enters water from air. battery and the plate separation of ca- an angle of 60° with the direction of the (a) Identify the device 'X'. which are used in destroying cancer pacitor is increased without removing field. In which orientation will the coil (b) Which of the curves A, B and C rep- cells. How these are produced? SECTION-B (4 marks each) the battery,then: be in stable equilibrium? resent the voltage, current and the pow- Q9. A proton and an a-particle are ac- a) capacitance will increase Q19. Define self-inductance of a coil. er consumed in the circuit? Justify your celerated by the same potential differ- Questions 15 and 16 are Case Study b) charge stored will increase Show that magnetic energy required to answer. ence. What is the ratio of their de-Broglie based questions and are compulsory. c) energy stored will decrease build up the current I in a coil of self in- (c) How does its impedance vary with wavelengths? Q15. A capacitor consists of two paral- d) potential difference will increase ductance L is given by ½ LI². frequency of the ac source? Show graph- Q10. Why fusion process takes place at lel conductive (metal) plates which are Q16. Consider Q20. A wheel with 15 metallic spokes ically. very high temperature? not connected or touching each other, two coherent each 60 cm long, is rotated at 360 rev/min (d) Obtain an expression for the current For question numbers 11, 12, 13 and but are electrically separated either by sources S1 and in a place normal to the horizontal com- in the circuit and its phase relation with 14, two statements are given-one la- air or by some form of a good insulating S2 separated by ponent of earth's magnetic field. The an- ac voltage. belled Assertion (A) and the other la- material such as waxed paper, mica, ce- a distance d. gle of dip at that place is 60°. If the emf Q28. (i) Draw a neat and labelled ray di- belled Reason (R). Select the correct ramic or plastic. The insulating layer be- Let D be the dis- induced between rim of the wheel and agram of a compound microscope in dis- answer to these questions from the tween a capacitors plates is commonly tance between the axle is 400 mV, calculate the hori- tinct vision. Explain its working prin- codes (a), (b), (c) and (d) as given be- called the Dielectric. Its capacitance val- the screen and zontal component of earth's magnetic ciple and derive magnification formula. low. ue in Farads, being fixed by the surface the plane of field at the place. How will the induced (ii) Why must both the objective and the a) Both A and R are true and R is the cor- area of the conductive plates and the dis- slits S1 and S2. Light waves emitted from emf change, if the number of spokes is eye- piece of a compound microscope rect explanation of A tance of separation between them. By S1 and S2 reach at different points on increased? have short focal lengths?

MOCK PAPER SUBJECT: ENGLISH (CBSE) FINE-TUNE YOUR ENGLISH CLASS X MARKS: 40 TIMEL: 2 hr PAPER SET BY FR AGNEL MULTIPURPOSE SCHOOL, VASHI, NAVI MUMBAI

SECTION-I proper sequence: [2] ness ing in dirty water. tion is runoff from agricultural a. The king attended to the wounds May toss him to my breast. Most batteries use chemicals to fields, industrial sites, or urban ar- LANGUAGE STUDY of the injured man. b. The king dug 2. Why did God hold back 'rest'? generate electricity. Substituting eas. Runoff disrupts the water Q1. A1 Do as directed (Any 4): [4] the beds to help the hermit. c. The 4. a. The most important time was 3. Pick out an example of Poetic In- chemicals with bacteria can be an body's natural balance. Raw sewage (1) Make a meaningful sentence of king saw that the hermit was tired. when you attended to that man. version from the above extract. advantage. They are cheap, self-re- is another type of water pollutant. your own using the following d. The man made peace with the (Change it to a Simple Sentence) [1] pairing and self-maintained. When sewage gets into the drink- phrase: " to get into' king. b. If you'd not bound his wounds, SECTION-IV 2. What are paper-based batteries ing water supply,serious stomach (2) Find out two hidden words of "Do you not see?" replied the he would have died. (Change the NON-TEXTUAL PASSAGE powered by? and digestive issues may result, minimum four letters from: 'court- hermit. "If you'd not pitied my weak- Voice) [1] 3. Find synonyms of the following including the spread of dis- yard' ness yesterday and stayed to dig 5. When you need advice, who do Q4. A Read the given passage and from the passage: eases such as typhoid or (3) Punctuate the following sen- these beds for me, you would have you turn to? Why? [2] complete the activities given be- a. substitute b. easily modified dysentery. A third source of tence: all of us said the man are gone back and been killed by that low: [5] 4. Rewrite the sentence using 'Not water pollution is trash. Im- waiting for a miracle man. So the most important time SECTION-III 1. Complete the following sentences: only… but also' properly disposed of items, (4) Identify the type of sen- was when you were digging the POETRY a. A paper-based battery may look They are cheap and self-repairing. such as plastic bags, fishing tence: Kindly leave the beds, and I was the most important like ______. Summary Writing line, and other materials may room. man and to do me good was your Q3. Read the following extract b. These batteries do not require (B) Read the above passage given in accumulate in the water and lead (5) Complete the word most important business. After- and do the given activities: [5] ______. Q. No. 4 (A) and write its summary to the premature death of animals chain of nouns: parent, wards, the most important time was 1. Complete the web- Engineers in New York have in- in a paragraph. Suggest a suitable that get tangled within the garbage. table, e ______, ______. when you were attending to that chart: vented a folded paper device that title. [5] Soil can become polluted by in- A2. Do as directed (Any 4): [4] man, for if you'd not bound his So strength first looks like a decorated art project. dustrial sources or the improper (1) Change the following sentence wounds, he would have died with- made a way; But don't be fooled. This is actually SECTION-V disposal of toxic chemical sub- into indirect speech: The Holy out having made peace with you. So Then beauty a paper-based battery.No, it doesn't WRITING SKILL stances. Common sources of soil Quran says, "Kill not your children he was the most important man and flow'd, then wis- look like any of those metal batter- pollution include asbestos, lead and because of poverty." what you did for him was your most dom, honour,pleas- ies running flashlights or smart- Q5. A Read the following passage overuse of pesticides. Soil pollution (2) Identify the clauses and name important business. Remember ure: phones. This alternative to elec- and make a tree diagram: [5] affect human, them: I thought I had been discov- then, there is only one time that is When almost all was out, God made tronics is based on paper. It repre- There are three major types of plant and an- ered. important-now ! It is the most im- a stay, sents a step forward in the field of pollution: air pollution, water pol- imal (3) Make a word register of 4 words portant time because it's the only Perceiving that alone of all His paper electronics, or papertronics. lution and soil pollution. health. (minimum 4 letter words) related time when we have any power. The treasures In these systems, the battery can be A major source of air pollution to: MUSIC most necessary person is the one Rest in the bottom lay. printed on a page. Well, most of it is the burning of fossil fuels. Vehi- B. Do as directed (Any 1): [2] with whom you are, for you do not For if I should (said He) can: The battery's power consists of cle and factory emissions are com- (1) Make two sentences using the know whether you will ever have Bestow this jewel also on my crea- living bacteria. mon sources of this type of air pol- word 'brush' as both noun and verb. dealings with anyone else; and the ture, Papertronics are simple to make lution. Air pollution contributes to (2) Change the given sentence into most important thing is to do this He would adore my gifts instead of and inexpensive. These batteries respiratory problems such as asth- positive and comparative degree: person good, because for that pur- me, also would be flexible and dispos- ma, lung cancer, chronic bronchi- She is one of the most brilliant pose alone were you sent into this And rest in Nature, not the God of able. And powered by germs, they tis, and other lung ailments. Nitro- lawyers in this firm. life!" Nature. need no electrical outlet to recharge. gen and sulphur oxides in the air 2. Complete the following: [2] So both should losers be. They just need more bacteria, which contribute to acid rain. SECTION-II a. Helping the hermit prevented Yet let him keep the rest, can be found everywhere - includ- A major source of water pollu- TEXTUAL PASSAGES ______. But keep them with repining rest- b. The most important time is lessness: Q2. Read the following passage ______because ______. Let him be rich and weary, that at These questions are for practice only. Students are advised to check format, syllabus and marks for and do the activities: 3. Fill in the boxes with the correct last, Board test papers with their teachers. Questions have been given by teachers and NIE is not 1. Arrange the following events in forms of the following: [2] If goodness lead him not, yet weari- responsible for them. Photographs taken for representative purpose only. CLICK HERE: PAGE 3 AND 4

“Life is short, but there is always time READ. PLAY. LEARN enough for courtesy.” RALPH WALDO EMERSON, POET FRIDAY, APRIL 9, 2021 03 BOOST YOUR MOOD WRITE A TO-DON’T LIST IN FIVE MINUTES OR LESS nstead of an over- whelming to-do list, try I compiling a list of all the things you’re glad you BAKE A CAKE If you think your HAVE A BRAIN BREAK don’t have to do today: catching the bus, eating a arm cake fresh out of the rimary school teachers recognise soggy sandwich from the oven is one of life’s pleas- feel-good reserves the importance of “brain breaks” work canteen or listening W ures, but if you are short on P to help fidgety pupils focus and to your co-worker’s end- time, a microwave mug cake is the have been used up, such breaks work as a pick-me-up for less house-buying woes. answer. sedentary adults too. Use a fork to mix four tablespoons Try crazy dancing for the duration of caster sugar, four of self-raising here are some of one song, run through a yoga sun salu- flour,two of cocoa powder and an egg tation or perform a string of physi- themselves. in the biggest mug you have. quick tricks to cal challenges like So if the Add three tablespoons of milk, standing television three of vegetable oil and some vanil- on one feels like yet la essence, pop it in the microwave on kick-start your leg, another high for one and a half to two minutes touching screen demanding at- and ping – fresh yummy cake. your toes or tention at the end of a happy hormones balancing some- Zoom-logged day, spend five thing on your head. minutes working on a Barclaycard showed Lego project instead.Or just GRAB A MIC PUT YOUR PHONE ON TIME-OUT 44 per cent of adults sip your favourite beverage in buy colouring books, the garden while looking at ur phones are a lifeline but they are also Lego, board games, jigsaws the sunset. This mentally draining with all the news alerts, or action figures for break will O messages, social notifications, “doom energise scrolling” and needy you and also push notifications. Make make you calm. a decision to switch off the tiny tyrant and shove it in a drawer. Bunking off from be- FIVE MINUTES OF ing constantly con- nected, even if it’s just GREEN he British Academy of Sound Ther- for a little while, can feel apy reports that singing for pleasure like a big relief. he beneficial effects of T can reduce stress hormones, boost time spent outdoors are dopamine and endorphins, strengthen heart T well-known and re- and lung function and improve your men- search by the University of Es- tal health. BUDGET THERAPY sex has shown a five-minute Start with a five-minute vocal warm up dose of green exercise – from YouTube, where you can also find nowing there’s a pick- activity in the presence of na- karaoke versions of pretty much every big me-up in the post ture – offers a greater boost to ballad and rock anthem going. K works wonders to mood and self-esteem than Perfect places to belt out a song include boost your mood. longer periods inside. the shower or your car, but anywhere goes. Retail therapy doesn’t The study also showed re- have to cost a fortune, so head sults were similar in urban to your favourite online shop, green spaces and more rural set the price limit filter to a settings, meaning a loop of the MIX IT UP stuck indoors. Try moving fur- minimal and go wild. local park will do the trick. niture, pictures and plants A new highlighter, sec- The best destinations were niversity researchers in around, work in a different ond-hand book, chocolate or waterside, so head for the sea, New York and Miami room, start the day with a bath a sticker to cheer up your lap- river, lake or your local duck U found new and diverse instead of a shower or eat top can all be found on a pond. experiences are linked to en- breakfast for dinner – anything budget. Or send a gift to a Bunking off from being hanced happiness, but it’s that helps change your view friend and get a serotonin constantly connected can feel easier said than done when and break up your routine. boost into the bargain. like a big relief.

DAILY MIRROR

BOOK OF THE TIMES Vast archives at JFK The Future Library help bring Walter Isaacson’s ‘The Code Breaker: Jennifer Edit Doudna, Gene Editing, and the Future of the Human Race’ offers an interesting insight into the [email protected] n an interview with CRISPR technology – a tool that can edit DNA. ‘Hemingway’ to life blogs.sciencemag. org, au- Designer babies anyone? thor Walter Isaacson said A new Ken Burns documentary on the life of Ernest Hemingway is that three great innova- Ition revolutions have Jennifer Doudna, co-discover- Doudna decided to pursue sci- shaped the modern world: the er of the CRISPR gene-editing ence. Interestingly,she was ad- shedding new light on one of America’s greatest writers atom, the bit (information cod- technology. According to him, vised that ‘girls don’t do sci- ed in binary digits), and the this is the ‘third great wave of ence’ by her guidance coach. new Ken Burns gene. He explored the first in innovation,’ one where hu- Thankfully,she didn’t pay any documentary on his book ‘Einstein,’ through the manity is taking control of its heed to that advice! Ernest Heming- work of famed scientist Albert evolutionary future. The book follows her early way powered by Einstein; and the second in Starting out like any tradi- career moves, and her work on A vast but little- tional biography, RNA (Ribonucleic acid) that known archives kept at the John MUST WATCH: The pioneering scien- Isaacson first eventually gave her a head start F Kennedy Presidential Library sheds light on in the emerging bioscience field and Museum in Boston is shed- tist reviews how CRISPR-Cas9 works Doudna’s early of gene editing as the co-dis- ding new light on the acclaimed – and asks the scientific community life. As a sixth coverer of CRISPR. Besides ex- SO, WHAT IS CRISPR? novelist. to pause and discuss the ethics of grade student, plaining how the use of ‘Hemingway,’premiered on Doudna was fas- CRISPR is revolutionising Www.livescience.org describes it as: PBS (three consecutive nights this new tool: cinated with therapies including fighting from April 5), takes a more nu- https://www.ted.com/talks/ ‘The Double He- sickle cell, cancer, congenital “CRISPR technology is a simple yet anced look at the author and jennifer_doudna_how_crispr_lets_us_ lix’, the 1968 au- blindness and Alzheimer’s; powerful tool for editing genomes. It his long-standing reputation as tobiographical Isaacson sheds light on the allows researchers to easily alter DNA an alcoholic, adventurer, out- edit_our_dna account by sci- emergence of biohackers who doorsman and bullfight-loving entist James D ‘want to democratise biology sequences and modify gene function. misogynist who struggled with ‘Steve Jobs’, which chronicled Watson who, along with fellow through citizen science’; and Its many potential applications include internal turmoil that eventu- the digital revolution unleashed scientist Francis Crick, were then, delves into moral impli- correcting genetic defects, treating and ally led to his death by suicide by pioneer Steve Jobs. the first ones in the world to cations of gene editing. preventing the spread of diseases and at age 61. With ‘The Code Breaker’, identify the structure of DNA, According to Isaacson we The truth about the man Isaacson takes a deep dive into thus revolutionising biochem- are now entering the a life-sci- improving crops. However, its promise Activities many consider America’s great- the world of gene and istry, and winning the Nobel ence revolution that will com- also raises ethical concerns. est 20th-century novelist whose an outsized celebrity who be- American masculinity is much gene-editing tech Prize. Enthralled by the book bine the existing age of digital CRISPR stands for: Clustered Regularly concise writing style made him came a symbol of unrepentant more complex, said Lynn through the work of that chronicled the intense dra- coding with genetic coding to Interspaced Short Palindromic Repeat Novick, who collaborated with Nobel award win- ma behind one of humanity’s usher in a new kind of human. Burns on the three-part film. ning biochemist most significant discoveries, Are you ready for it? The archives contain Hem- ingway’s manuscripts including ‘The Sun Also Rises’ and ‘For Whom the Bell Tolls’, personal QUIZ TIME (CURRENT AFFAIRS) KNOWLEDGE BANK correspondence and about 11,000 photographs. ANIMAL While considered the ar- Q.1) In which year did of Srinagar? C. Bahdur Shah II D. Humayun Solifugae Solifugae is an order of animals in the class chetype of American manhood, Akbar begin his reign? A. Babar B. Akbar Q.6) Delhi’s only the truth about Hemingway’s Arachnida, known variously as camel spiders, wind A. 1523 B. 1556 C. 1520 C. Jahangir D. Shah Jahan woman ruler Razia masculinity was more complex, scorpions, sun spiders or solifuges. It includes D. 1495 Sultana belonged to the filmmakers found. As a child, Q.4) Which Mughal more than 1,000 described species in about 153 Hemingway’s mother treated Q.2) Who wrote the which dynasty? emperor is also known genera. Despite the com- him and one of his sisters as book Ain-i-Akbari or as Alamgir? A. Tughlaq Dynasty B. Lodhi twins. He explored gender flu- the ‘Constitution of mon names, they are nei- A. Babar B. Jahangir Dynasty C. Khilji Dynasty idity both in his books and in Akbar’? ther true scorpions nor life, letting his hair grow as his C. Aurangzeb D. Humayun D. Slave Dynasty A. Todar Mal B. Man Singh true spiders. Much like a wives cropped theirs short. Q.5) Who was the first spider, the body of a solifugid has two tagmata Novick’s favourite part of C. Faizi D. Abul Fazl Mughal emperor to ANSWERS the collection were Hemingway’s 1. B) 1556 2. D) Abul Fazl (segments): an opisthosoma (abdomen) behind manuscripts, many handwritten Q.3) Who built the enforce sharia law? 3. C) Jahangir 4. C) Aurangzeb the prosoma (that is, a combined head and tho- on store-bought notebooks. famous Shalimar Bagh A. Akbar B. Aurangzeb 5. B) Aurangzeb 6. D) Slave Dynasty rax). Most species of Solifugae live in dry climates. The first 17 days will see games being played out in Chennai and Mumbai with defending champions Mumbai Indians taking on Royal Challengers Bangalore in the opener in Chennai

IPL 2021 a great opportunity to ➨ And if the top-order is blown away, then the in- prepare for T20 WC domitable Pandya brothers (Hardik and Krunal) will be there to pummel oppositions’ bowlers. ➨ The virus has cast its shadow on the league in the ➨ On the outfield, Kieron Pollard will save those ex- build-up stage with some positive cases among both tra runs apart from the trademark big hits always players and support staff. But with a strict bio-bub- expected of him and also bring in the change of pace ble in place for the games, the BCCI would be hop- suited for the Chennai track. Trent Boult, with his ing for a smooth run just like the previous edition swing, and Rahul Chahar, with his googlies, will in the UAE. If one looks at the bigger picture, the also test the batsmen. 14th edition of IPL assumes greater significance as it is being held in a T20 World Cup year and that too ➨ Mumbai Indians can only lose on their bad days and in the sub-continent. on good days, they are going to be a nightmare as Eng- ➨ If Virat Kohli will keep a ‘Hawk Eye’ on the per- land captain Michael Vaughan has already warned. formances of his probable list of players, it won’t be Rohit’s opposite number is the national captain, who any different for an Eoin Morgan or a Kieron Pol- is ready to open once again but the squad composi- lard, who would also be preparing for the mega-event tion of RCB doesn’t inspire the highest confidence. while giving it their all for their respective franchises. Will Maxwell finally justify Why Mumbai Indians are his hefty price tag? favourites in IPL ➨ Glenn Maxwell has again been picked for a bomb ➨ For Rohit, the most successful captain in the (`14.25) and New Zealand’s Kyle Jamieson has been made an overnight multi-millionaire by RCB captain Virat Kohli ‘IPL Universe’ with an unprecedented five titles, he could well walk away with a sixth trophy the franchise despite him being untested on Indian dust-bowls. Devdutt Padikkal will and the first title hat-trick of this league. Mum- MI skipper Rohit Sharma bai Indians, perhaps in the near two decade be in his second season with teams existence of Twenty20 format, is a side that analysing him way more and Yuzven- will be remembered for its aura. dra Chahal seems to have lost his mojo. ➨ If Rohit fails, then Quinton de Kock will certainly succeed. If both fail, ➨ Mohammed Siraj and Navdeep Sai- Ishan Kishan and Surya Kumar Ya- ni do not inspire the highest confidence dav could scare the daylights out of in white ball cricket at least despite their the opposition. gutsy performances in Australia early this year. Photo: TOI Photo: TOI CCANAN RRRR BURBURYY THETHE GHOGHOSTSTSS OFOF 2202020?0? Last season’s wooden spooners, RR have made some changes in management as well as the squad ahead , part of the RR of the new season. Sanju Samson replaced Australian Steve Smith, who was released as skipper. Coach squad since 2018, has led his team to several victories Andrew McDonald has also gone with Sri Lankan legend Kumar Sangakarra stepping in as director of cricket. Here’s a SWOT analysis of the side that will take on Punjab Kings in Mumbai on April 12

STRENGTHS , bought for `11.5 ➨ A perfect opportunity for him to prove Archer.While they have Morris to crore in 2018, has been unable to de- his leadership skills and a consistent rely on, the pace attack is weak in the ➨ RR boasts of a number of de- liver while Manan Vohra has been performance with the bat will signif- 26-year-old England pacer’s absence. structive batsmen. and brilliant only on rare occasions. icantly strengthen his case for selec- The franchise will desperately hope Ben Stokes are two match-winning tion for the upcoming T20 World Cups. Archer joins the side at the earliest. ➨ This leaves the team with young- players who can trample any op- ➨ position while Samson is a mine- sters, including Riyan Parag and THREATS With a weak Indian contingent, com- field of talent. pacer Kartik Tyagi, who has shown prising several rookies and overre- ➨ liance on their foreign recruits, there flashes of brilliance,Yashasvi Jaisw- With Samson at the helm, his lack of ➨ South Africans David Miller and Mor- experience in the role and the impact is real threat the Royals would once al and pacer Kartik Tyagi, who was ris are two other powerful strikers that it might have on his batting are again not qualify for the playoffs. and England’s T20 specialist Liam also impressive. factors that must be taken into ac- THE SQUAD Livingstone can turn the match on OPPORTUNITIES count. The flamboyant right-hander its head. Last season’s revelation, all- may not be able to play with the same ➨ Sanju Samson (c & wk), Jos Buttler rounder Rahul Tewatia, has also ➨ Samson’s form and consistency have freedom now that he is captain. His (wk), Ben Stokes,Yashasvi Jaiswal, showcased his ability to whack the always been a question mark. He has inexperience might also cost the Roy- Manan Vohra, Anuj Rawat, Riyan ball outside the park. failed to capitalised on the handful als dearly in crunch situations. Parag, David Miller,Rahul Tewatia, of chances provided to him in T20Is. Mahipal Lomror, Shreyas Gopal, WEAKNESSES ➨ The team won matches on the back With Suryakumar Yadav and Ishan Mayank Markande,, of some brilliant individual perfo- ➨ For Royals, the problem is their weak Kishan doing brilliantly on their T20 , Jaydev Unadkat, Kar- rmances but struggled to work as a Indian core which hasn’t been con- debuts, the Kerala wicketkeeper tik Tyagi, , Chris Mor- cohesive unit last season. Consistency sistent. Samson has rarely performed batsman’s chances to make the ris, , Chetan will be the key. in five straight games in any of the Indian team for the World Cup have Sakariya, KC Cariappa, Liam Liv- editions in the past few years. Pacer taken a hit. ➨ The team is heavily dependent on ingstone,Kuldip Yadav, Akash Singh.

Photo: TOI to win bronze medal at the ISSF Balaji in 2008. For which team was In which year did Q10: How many times has QUIZ TIME! Shotgun World Cup 2021 in Cairo? he playing? Q7: Mohammed Shami become Andy Murray won a) United States ❑ b) Russia ❑ a) Chennai Super Kings ❑ the fastest Indian bowler to take Wimbledon? ❑ ❑ ❑ ❑ c) Australia ❑ d) Kazakhstan ❑ b) Royal Challengers Bengaluru ❑ 100 ODI wickets? a) 1 b) 3 c) 2 d) 0 Zlatan Ibrahimovic scored ❑ ❑ Q1: c) Kings XI Punjab d) Mumbai Indians a) 2018 ❑ b) 2017 ❑ c) 2016 ❑ d) 2019 ❑ his 500th goal with an During his first season opener for Milan. Against which How many runs has Q4: Sachin Tendulkar made in Q11: at Barcelona, Neymar club were they playing? Who is the youngest scored a hat-trick in a UEFA ❑ ❑ his Test career? a) Ajax b) Crotone Q8: player to score a UEFA Champions League game. Who ❑ ❑ a) 15921 ❑ b) 15821 ❑ c) 13421 ❑ d) 13921 ❑ c) Juventus d) Barcelona Champions League goal? was this against? Lakshmipathy a) Lionel Messi ❑ b) Ansu Fati ❑ a) Celtic ❑ b) Juventus ❑ Who became the first Balaji ❑ Against which team did Q5: c) Cesc Fàbregas ❑ d) Karim Benzema ❑ c) Manchester United Q2: Hardik Pandya make his woman cricketer to score d) Zenit Saint Petersburg ❑ internationl cricket debut? 7000 runs in ODIs? ANSWERS: 1 b) Crotone 2 d) Australia a) Sri Lanka ❑ b) Bangladesh ❑ a) Mithali Raj ❑ b) Harmanpreet Kaur ❑ The fastest goal scored in Q9: 3 d) Kazakhstan 4 a) 15921 5 a) Mithali Raj c) Pakistan ❑ d) Australia ❑ c) Smrithi Mandana ❑ d) Jhulan Goswami ❑ Premier League history came in 7.69 seconds. Who scored it? 6 a) Chennai Super Kings 7 d) 2019 8 b) Ansu Fati 9 b) Shane Long The first hat-trick in IPL a) Paolo Poggi ❑ b) Shane Long ❑ Which country did the 10 c) 2 11 a) Celtic Q3: Indian skeet team defeat Q6: was taken by Lakshmipathy Photo: TOI c) Rafael Leao ❑ d) Scott McTominay ❑