The Maharaja Sayajirao University of Baroda Department of Zoology Faculty of Science M
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THE MAHARAJA SAYAJIRAO UNIVERSITY OF BARODA DEPARTMENT OF ZOOLOGY FACULTY OF SCIENCE M. Sc. ZOOLOGY ENTRANCE TEST MODEL QUESTION PAPER NOTE: 1. All questions carry equal weightage 2. Answers should be marked on the OMR sheet provided th 3. 1/4 (one fourth) marks will be deducted for every wrong answer Choose the most appropriate answer: (1 Mark each) 100 Marks 1. With respect to fossils found, _______ is referred as the ‘age of reptiles’. a. Proterozoic b. Mesozoic c. Cenozoic d. Paleozoic 2. One of the following systems of breeding of laboratory animals is best for transgenic animals: a. Open b. Isolator c. Barrier d. None of these 3. The principal intracellular cation is: a. Cl- b. K+ c. Na+ d. Ca++ 4. The stage of mitosis when chromosomes condense to form rod-shaped structures visible under the microscope is called: a. prophase b. interphase c. metaphase d. anaphase 5. Cells respond to external signals by turning specific genes on or off. Such control of gene activity depends on DNA binding proteins known as: b. messenger RNA a. transcription factors c. coding proteins d. zinc finger adaptors 6. The denaturation of dsDNA in the Polymerase Chain Reaction takes place at: a. 55C b. 72C c. 95C d. 4C 7. The transport of secretory protein takes place through organelles in the order: a. RER > SER > Golgi > Secretory vesicles b. SER > RER > Golgi > Secretory vesicles c. RER > SER > Secretory vesicles > Golgi d. RER > Golgi > SER > Secretory vesicles The Maharaja Sayajirao University of Baroda. 8.In UV/Visible Spectrophotometer, the light source includes: a. Xe, D2, Xenon/Mercury b. White light, Xe, D2 c. Tungsten filament, Xenon/Mercury d. Neon light, Xenon/Mercury 9.In which of the following phyla, the digestive tract is NOT lined by mesoderm? a. Hemichordata b. Chaetognatha c. Nemertea d. Nematoda 10. Which of the following character propose that Cnidaria can be considered closer to Deuterostomes than to Protostomes? a. In Cnidaria and Protostomes blastophore forms mouth b. In Cnidaria and Deuterostomes blastophore forms anus c. Gastral pouches of Anthozoa are comparable to archenteric pouches d. Gastral pouches of Cnidaria are equivalent to Schizocoelic coelom 11. Which of the following statements on property of cancer cells is FALSE? a. They are relatively insensitive to anti-proliferative extracellular signals b. They readily undergo apoptosis as compared to normal cells c. They induce angiogenesis d. They are genetically stable 12. Select the correct match from the following: a. Protozoa – Trypanosomiasis b. Mosquito – Filariasis c. Nematode – Schistosomiasis d. Flatworm – Ascariasis 13.Mice that have DNA inserted into their genes from a different animal are termed______. a. athymic b. transgenic c. immune-compromised d. embryonic 14.Pheretima posthuma is the scientific name of ? a. Petromyzon b. Earthworm c. Hag fish d. Vampire bat 15.Animal wool cannot be extracted from: a. Lamas b. Rabbit c. Camel d. Fox 16. One of the following is NOT associated with ob/ob mutant mouse: a. Eats excessively b. Animal model of type II diabetes c. Discovery of hormone leptin d. Discovery of hormone insulin 2 of 11 The Maharaja Sayajirao University of Baroda 17. When a sample is subjected to centrifugal force, which of the following is TRUE ? a. Massive substances sediment slowly b. Particles sediment slowly in denser biological buffer c. Denser susbtances sediment slowly d. Sedimentation rate is zero 18. Mulberry silkworm is: a. Attacus atlas b. Anthraea mylitta c. Bombyx mori d. Anthreaea assamensis 19.In which of the following systems it would be very difficult to find vertebrate fossils? a. Marine b. Riverine c. Terrestrial d. Lacustrine 20.As per the hypothesis of J B S Haldane, life arose from _________. a. primitive soup b. celestial object c. ocean d. RNA 21.The largest gene in humans is_______. a. titin b. insulin c. dystrophin d. phosphofructokinase 22.____________ is a type of post-translational modification of proteins. a. Phosphorylation b. Methylation c. Ubiquitination d. All of these 23. Resin lac is secreted by: b. Trunk of the plant a. Insect c. Fungus d. Stem of the plant 24. Recently in the month of May, infection spread at Malappuram and Kozhikode district of Kerala was due to: a. Nipah Bacteria b. Nipah Fungus c. Nipah Protozoan d. Nipah Virus 25. ________ are genetically haploid male honeybee insects, which possess weak mouthparts and cannot forage for nectar or pollen themselves. a. Drones b. Queen Bee c. Worker Bees d. Soldiers 26. One of the following is the activator of B cell: a. Antigen b. Interferon c. Interleukin 2 d. Antibody 3 of 11 The Maharaja Sayajirao University of Baroda 27. Daughter cells that are formed as a result of meiosis are not similar to the parent cell because: a. Meiosis is completed in two stages b. Prophase is longest phase c. Nucleus size increases in daughter cells d. Crossing over takes place and chromosome number is halved 28. Which of the following values is closest to the resting membrane potential of mammalian cells? a. -20mV b. -60mV c. +60mV d. +20mV 29.The diameter of most animal cells ranges from: a. 1.0 to 10 m b. 0.01 to 0.1 m c. 10 to 100 m d.100 to 1000 m 30.Limulus is referred as “living fossil”. It is also an example of: a. Parallelism b. Anagenesis c. Evolutionary convergence d. Directional selection 31. Identify which factor is not a benefit of grooming: a. Encourage bonding and trust between an animal and its handler b. Improved handling of the animal c. To monitor the general health of an animal d. Allows opportunity to see how an animal likes being bathed 32. Opal is a termination codon represented by_____ triplet codon in RNA a. UUU b. UGA c. UUG d. AGU 33. Proteins tagged with mannose 6-phosphate are transported to: a. Nucleus b. Lysosome c. Mitochondrion d. Golgi apparatus 34. The fundamental cause of sickle-cell disease is a change in the structure of: a. Blood b. Capillaries c. Haemoglobin d. Red cells 35. Dosage compensation in female mammal is known as: a. X-Chromosome inactivation b. Fragmentation of X c. Puff formation d. Ring formation 36. The most abundant type of RNA in the cell is: a. rRNA b. mRNA c. tRNA d. snRNA 4 of 11 The Maharaja Sayajirao University of Baroda 37. Identify the zoonotic disease most associated with cats: a. Salmonellosis b. Roundworm c. Toxoplasmosis d. Tuberculosis 38. Patau’s syndrome occurs due to: th th a. Trisomy of 13 chromosome c. b. Trisomy of 10 chromosome th th Trisomy of 18 chromosome d. Trisomy of 6 chromosome 39. Occurrence of reproductive maturity at larval stage by virtue of normal reproductive development but retarded somatic development is referred as: a. Hypermorphosis b. Neoteny c. Progenesis d. Premorphosis 40.The proteins of the Major Histocompatibility Complex (MHC) bind and display: a. Antigen fragments b. B cell fragments c. Immunoglobin fragments d. Macrophage fragments 41.In maltose, the linkage is: a. -1-4 linkage b. -1-2 linkage c. -1-4 linkage d. -1-2 linkage 42.The slogan of the world environment day 2018 is : a. Reduce your footprint b. Beat plastics pollution c. Save water d. Save our seas 43.Which of the following have carbohydrate as prosthetic group? a. Glycoprotein b. Lipoprotein c. Nucleoprotein d. Chromoprotein 44. DNA sequences in human genes are similar to the sequence corresponding in chimpanzees genes. The most likely explanation for this statement is _______ among the following: a. Humans evolved from chimpanzees b. Chimpanzees evolved from humans c. Humans and Chimpanzees share a relatively recent common ancestor d. Convergent evolution led to the DNA similarities 45.In a family, father is having a disease and mother is normal. The disease is inherited to only daughters and not to the sons. What type of disease is this? a. Sex linked dominant c. Autosomal dominant b. Autosomal recessive d. Sex linked recessive 5 of 11 The Maharaja Sayajirao University of Baroda 46.Night -flying insects have an eye that maximizes light intake. The eye is called: a. Ocelli b. Superposition c. Apposition d. Photomultiplier 47.Which of the following best represents Lamarck’s ideas on the evolutionary process? a. Survival of the fittest b. Neutral drift c. Inheritance of acquired characteristics d. Punctuated equilibrium 48.Species having similar characters coming from a common ancestor is _________. a. Analogous b. Homologous c. Convergent d. Both (a) and (c) 49. The wavelength of absorption is 412 nm. In which type of the electromagnetic spectrum does it lies? a. Visible range b. Microwave c. Ultraviolet d. Infrared 50.Which of the following is a steroid vitamin is: a. A b. D c. E d. K 51.Which of the following is an example of Ichnofossil? a. Teeth b. Tooth mark c. Claw d. Skin 52. Which of the following will prevent cross-contamination within an animal facility? a. Wearing protective clothing b. Separating quarantine animals from study animals c. Disinfecting the equipments d. All of the above are correct 53. Which one of the following technique is used for separation of cell organelles? a. Electrophoresis b. Ultra centrifugation c. Sublimation d. Chromatography 54. Characteristic of smooth muscle fibres are: a. Spindle shaped, unbranched, nonstriated, multinucleate and involuntary b. Spindle shaped, unbranched, nonstriated, uninucleate and involuntary c. Cylindrical, unbranched, striated, uninucleate and voluntary d. Cylindrical, unbranched, striated, multinucleate and voluntary 6 of 11 The Maharaja Sayajirao University of Baroda 55. RNA is genetic material in: a. some virus and prokaryotes b. some viruses only c. some viruses, prokaryotes and primitive eukaryotes d. none of these 56.