Quick viewing(Text Mode)

Plant Taxonomy

Plant Taxonomy

AUROBINDO SATPATHY

PLANT

1. is a subject that deals with: 12. This famous plant taxonomist was in the Royal Botanic a) Naming of plants Garden Kew, England. His publication of 1926 and 1934

Knowledge b) Identification, and classification of plants was "The families of flowering plants". His method of

c) Identification and nomenclature of plants classification has closer affinities with that of Bentham and d) Identification and classification of plants Hooker. 2. Identification deals with: a) Alfred Barton Rendle b) Karl Christian Mez a) Determination of a taxon as being identified with or similar c) Hans Hallier d) John Hutchinson to another already known element 13. Who coined the term 'species'? b) Classification c) Nomenclature a) b) Oswald Tippo d) All of the above c) Carolus Linnaeus d) C. Bessey 3. Carolus Linnaeus system of classification is: 14. Who was the famous embryologist who said that 'Ontogeny a) Asexual system b) Morphological system repeats phylogeny'? c) Sexual system a) Lamarck b) Von Baer d) Biochemical and anatomical system c) Louise Pasteus d) Sir Test Your Test 4. He was a student of and is known as the father of 15. Phylogeny is the: . He was the author of Historia plantarum. He a) Life cycle of a species classified plants into trees, shrubs, under shrubs and herbs b) Evolutionary history of a taxon and also recognized annual, biennial and perennial c) Ontogeny of a plant/animal duration of plant life cycle. d) All of the above a) Jerome Bock (1498-1554) 16. Which group of biologists/ were not plant taxonomists? b) Albertus Magnus (1193-1280) a) Darwin, Cuvier, Steward c) Andrea Caesalpino (1519-1603) b) Bessey, Rendel, Ray, Gray, Hallier d) (370-285 B.C.) c) Mez, Hutchinson, Linnaeus, Wettstein 5. Who had recognized monocotyledons and dicotyledons d) Engler, deCandole, Jisseau, Wettstein as separate plant forms? 17. Cytology and cytotaxonomy are studies that until now have a) (1464-1534) remained valuable in plant taxonomy since these can be b) Carl Linne c) Charles Darwin useful: d) Albertus Magnus (1193-1280) a) In establishing families of plants 6. Historia plantarum universalis (1605) in three volumes deals b) In the phyletic resolution of taxa below the level of genus with 5000 plants and was published posthumously by his c) In separating monocots from dicots son-in-law Cherler who is: d) In separating angiosperms from gymnosperms a) John Ray (1628-1705) b) Joseph Pittonde Tournefort 18. The world's most primitive angiospermic plant is: c) A.P. de Candole d) Johann Bauhin (1541-1631) a) Ophioglossum 7. Methodus plantarum (1800 sfs) was published by: b) Ficus sp a) Mario Malpighi b) Grew c) Lotus c) Anton van Leewenhoek d) John Grey d) Amborella, a relative of water lily 8. Changes in environment can cause changes in the structure 19. Critica Botanic, and Philosophia of organisms or evolution of acquired characters. This was Botanica are the three works on plant taxonomy by: proposed by a French biologist and plant taxonomist. a) J.D Bentham and Hooker b) Carolus Linnaeus a) Michael Adanson c) Engler and Prantle d) Eichler b) Jean B.A.P.M. de Lamarck c) De Jussieu 20. Botanically a plant has to have: d) August Wilhelm Eichler (1839-1887) a) Two names such as first one for the genus and the second 9. Who is known as the father of ? one for the species a) Bentham and Hooker b) Sir Charles Darwin b) Three names c) Nomen nudum only c) Engler and Prantl d) Carolus Linnaeus d) None of the above 10. Some of the famous publications of Carolus Linnaeus, the 21. In numerical taxonomy: father of binomial nomenclature, are: a) Classification is based on genetic similarity a) Lapponica, General Plantarum, b) Viewing the nucleotide sequences of rRNA and DNA and c) Phenetic similarity and taxonomy is viewed as an empirical b) Flora Francoise c) General Plantarum science and a priori each character is taken as of equal d) Die naturlichen Pflanzen-familien (1887-1899) weight 11. In bionomical nomenclature the first epithet is the: d) All of the above a) Epithet for the family of the plant and the second is for the order of the plant ANSWERS b) Epithet for the genus of the plant and the second is for 1. b 2. a 3. c 4. d 5. d 6. c 7. d 8. b the species of the plant, third if any is for variety 9. d 10. a 11. c 12. d 13. a 14. b 15. b 16. a c) First is for the species and the second is for the genus 17. b 18. d 19. a 20. a 21. c d) First whether the plant is a monocotyledonous and the Contributed by Mr Aurobindo Satpathy, Lecturer in Botany, Dasharathpur H.S. second is for the species of the plant School, Jajpur, Odisha SCIENCE REPORTER, NOVEMBER 2011 40 Test Your Knowledge SABDAR AMAN CHOWDHURY

THE PERIODIC TABLE

1. How many elements in the Periodic Table are found 13. The atomic number of the latest element (2010) discovered naturally? in Russia is… (a) 88 (b) 90 (a) 116 (b) 117 (c) 92 (d) 93 (c) 118 (d) 119 2. Which of the following elements is found naturally? 14. What is the highest atomic number of the man made (a) Technetium (Tc) (b) Ruthenium (Ru) elements until now? (c) Promethium (Pr) (d) Francium (Fr) (a) 116 (b) 117 3. Which of the following elements is not found naturally? (c) 118 (d) 119 (a) Hafnium (Hf) (b) Rhenium (Re) 15. Rutherfordium (Rf) has atomic number 104. What should be (c) Thallium (Tl) (d) Astatine (At) its IUPAC symbol? 4. Which of the following elements is not among the ferrous (a) Unb (b) Unt metals? (c) Unq (d) Unp (a) Iron (Fe) (b) Cobalt (Co) (c) Nickel (Ni) (d) Copper (Cu) 16. How many Noble gases are there in the 18th Group of the Periodic Table? 5. Which of the following elements is not among the coinage (a) 4 (b) 5 metals? (a) Copper (Cu) (b) Silver (Ag) (c) 6 (d) 7 (c) Gold (Au) (d) Platinum (Pt) 17. Which of the following is the heaviest metal in the Periodic 6. Which of the following elements is not among the Platinum Table? metals? (a) Tungsten (W) (b) Rhenium (Re) (a) Ruthenium (Ru) (b) Rhodium (Rh) (c) Osmium (Os) (d) Iridium (Ir) (c) Palladium (Pd) (d) Silver (Ag) 18. What is the correct sequence of the different blocks in the 7. Which of the following elements is a halogen? Periodic Table from left to right? (a) Boron (B) (b) Sodium (Na) (a) s, p, d, f (b) s, f, d, p (c) Astatine (At) (d) Francium (Fr) (c) s, p, f, d (d) s, f, p,d 8. The Group VIB or the Group 16 elements consisting of 19. In 1965 who introduced the concept of Periodic Table by oxygen, sulphur, selenium and tellurium are called… reporting the 'Law of Octave'? (a) Metalloids (b) Alkaloids (a) John A. R. Newlands (c) Halogens (d) Chalcogens (b) Dmitri Mendeleev 9. The meaning of the word 'Chalcogen' is… (c) Julius Lothar Meyer (a) Meal forming (b) Ore forming (d) Henry G. J. Moseley (c) Non-metal forming (d) Oxide forming 20. In 1913 the modern Periodic Table was introduced by… 10. Which of the following pair of elements are liquid in tropical (a) John Dalton countries but solid in arctic and polar countries? (b) Dmitri Mendeleev and Julius Lothar Meyer (a) Cesium (Cs) and Gallium Ga) (c) Henry G. J. Moseley and Ernest Rutherford (b) Rubidium (Rb) and Strontium (Sr) (d) William Lawrence Bragg (c) Vanadium (V) and Niobium (Nb) (d) Calcium (Ca) and Magnesium (Mg) 11. Which group in the Periodic Table consists of the elements that are found in all the three states of matter (i.e., solid, ANSWERS liquid and gas) at normal room temperature? 1) a 2) b 3) d 4) d 5) d 6) d 7) c 8) d (a) Alkali metals (Gr.1) 9) b 10) a 11) d 12) b 13) b 14) c 15) c 16) c (b) Alkaline earth metals (Gr.2) 17) c 18) b 19) a 20) c (c) Chalcogens (Gr.16) (d) Halogens (Gr.17)

12. How many gaseous elements are there in the Periodic Contributed by Sabdar Aman Chowdhury, Assistant Professor, Department of Table? Chemistry, Bolpur College, Bolpur, Birbhum, West Bengal-731204; E-mail: (a) 10 (b) 11 [email protected], Address: "Senjuti", Digantapally, P.O.-Santiniketan, (c) 12 (d) 13 Dt.-Birbhum, West Bengal-731235.

41 SCIENCE REPORTER, NOVEMBER 2011

Top View