1.Chemical degradation method of chain termination is used in: A) Sanger’s method of DNA sequencing B) Maxam and Gilbert method of DNA sequencing C) Automatic DNA sequencing method developed by Scharifet. al. D) RT- PCR for disease diagnosis
2. Identify the statement associated with Nothern blotting: A) Used for the attachment of probes to single stranded RNA molecule B) Helping in the comparison of RNA extracted from different sources C) Transfer of RNA fragments from the gel to the nitrocellulose membrane D) Transfer of RNA fragments from the nitrocellulose membrane to buffer
4. Phospholipid mainly used in signal transduction: A) Phophatidylcholine B) Phophatidylethanolamine C) Phophatidyl inositol 4,5 bis phosphate D) cardiolipin
5. Km value of Michaelis- Menten equation, the denote the: A) Rate of activity of the enzyme B) Turnover number of the enzyme C) The velocity of the enzyme action D) The substrate concentration
6. DNA replication occures during: A) M phase of cell cycle B) G1 phase of cell cycle C) G2 phase of cell cycle D) S phase of cell cycle
7. Synaptonemal complex formation occures during : A) Leptonema B) Zygonema C) Pachynema D) Diplonema
8. Chromosome rduplication results in the formation of giant chromosomes is called: A) Endomitosis B) Heterochromatinization C) Gene amplification D) Cell duplication
9.. Which one of the following is a primary protein database?
A. SWISS-PROT. B. EMBL. C. DDBJ. D. NCBI
10. For conversion of prothrombin into thrombin, which of the following is required
1) Fibrinogen 2) Vitamin K 3) Proconvertin 4) Thrombokinase
11. Cardiac output is
1) Volume of blood pumped by each ventricle in each cardiac cycle
2) Volume of blood pumped out by each ventricle per minute
3) 5 litres in a healthy individual
4) Both (2) & (3)
12. Which of the following is mismatched?
1) Lubb : First heart sound associated with closure of tricuspid and bicuspid
Valves
2) Cardiac output : Stroke volume multiplied by heart rate
3) Dub : Second heart sound, due to opening of semilunar valves
4) Duration of cardiaccycle : 0.8 seconds
13. Atrial systole
1) Increases the flow of blood into the ventricles by 70 percent
2) Is due to generation of action potential in AVN
3) Increases the flow of blood into the ventricles by 30 percent
4) Coincides with ventricular systole
14. Purkinje fibres arise from
1) Apex of ventricles 2) Middle of ventricles
3) Anterior part of atria 4) Posterior part of atria
15. The opening between the right atrium and right ventricle is guarded by a valve called
1) Bicuspid valve 2) Mitral valve 3) Tricuspid valve 4) Both (2) & (3)
16. Identify the primary egg membrane that helps in species -specific sperm – egg recognition and binding: A) Zona pellucida B) Corona radiata C) Chorion D) Allantois
17. In frog blastula, the prospective notochordal cells are derived from:
A) The non-pigmented area surrounding the vegetal pole B) Pigmented area surrounding animal pole C) Dorsal side of grey crescent D) Presumptive epidermal ectoderm
18. The inherent ability of an animal to navigate towards an original location through unfamiliar areas: A) Biorhythm B) Orientation C) Homing D) Migration
19. The pheromone that is used for recruitment, for marking pathways to resources, and for indicating resource richness: A) Recognition pheromone B) Alarm pheromone C) Marker pheromone D) Trail pheromone
20. The statement which is not applicable to Urey- Miller experiment: A) They used a high energy gas chamber filled with water vapour, ammonia, methane and hydrogen B) Energy was provided by electric spark using tungsten electrode C) An oxidizing environment is essential for the abiogenic synthesis of organic molecules D) The interaction of gases resulted in the abiogenic synthesis of organic molecules 21. Darwin’s book On the Origin of Species was published on: A) 1 st November 1838 B) 12th February 1809 C) 24th November 1859 D) 19th April 1882
22. “All heritable variations have their origin in germ cells and a new type of organism arise only from changed type of germ cells”. This concept was developed by: A) Jean Baptiste Lamark B) Hugo de Vries C) Charles Darwin D) August Weismann
23. Identify the statement that is wrong in connection with Hardy- Weinberg equilibrium: A) Allelic frequencies at an autosomal locus in a population will not change from generation to generation B) Individuals of the population exhibit non-random mating, mutation and migration C) The genotypic frequencies of a population are determined by the allelic frequencies in a predictable way D) A genetic equilibrium will get reestablished within one generation of random mating
24. Genetically and phylogenetically unrelated species of organisms under the same environmental conditions evolve and acquire similar morphological features is called: A) Adaptive radiation B) Convergent evolution C) Divergent evolution D) speciation
25. “ A certain organism’s survival and existence depend upon the multifaceted set of conditions wherein each individual has definite minimum, maximum and optimum ecological factors to establish success” is termed as:
A) Shelford’s law of tolerance B) Blackmans law of limiting factors C) Liebig’s law of minimum D) Abiotic chemical factors
26. In which pair erythroblastosis foetalis occur
A). Rh+ male & Rh- female B) Rh- male & Rh- female
C). Rh+ male & Rh+ female D)Rh- male & Rh+ female
27. Match the following:
a. Mutualism 1. − 0
b. Commensalism 2. + −
c. Predation 3. + 0
d. Amensalism 4. + +
A) a-1, b-3, c-2, d-4 B) a-4, b-3, c-2, d-1 C) a-3, b-4, c-2, d-1 D) a-4, b-3, c-1, d-2
28. The process which takes place in a resting membrane: A) Transmembrane cation pump will not get operated B) Na+ ions are actively transported outward and K+ ion inward across the membrane C) The ionic mobility and membrane permeability of K+ ions are lesser than that of Na+ ions D) The positive ions become more numerous inside the membrane
29. 7. Match the column I with column II and select the correct answer
Column I Column II
A Pachytene i. Bouquet stage
B Zygotene ii. Chiasma visible
C Diplotene iii. Terminalisation
D Leptotene iv Gene exchange
E Diakinesis v Synapsis
1) A-i, B-ii, C-iii, D-iv, E-v 2) A-iv, B-v, C-ii, D-i, E-iii
3) A-iii, B-iv, C-v, D-ii, E-i 4) A-ii, B-iii, C-iv, D-i, E-v
30. Two highly inbred strains of mice with black fur and the other with greyfur, were crossed. The resulting offspring had black fur. Predict the outcome of intercrossing the offspring: A) All with grey fur B) Black, Grey and White in 1:2:1 ratio C) 3 Black and 1 Grey D) All will be with black fur
31. Chromosomal theory of inheritance was put forward by: A) George Beedle and Edward Tatum B) Temin and Baltimore C) Boveri and Sutton D) Thomas Hunt Morgan
32. Most abundant protein in human body is
1) Collagen 2) Myosin 3) Actin 4) Albumin
33. Microfilaria larva is the larval stage of: A) Fresh water muscle B) Arenicola C) Turbenella -D) Wucheraria
34. The specialised excretory cells of annelida is: A) Renette cells B) Solenocytes C) Nephridia D) Ctinidia
35. Mosaic vision is the mode of vision by: A) Ocelli B) Simple eyes C) Compound eyes D) human eye
36. Amoeba proteus is comes under the Phylum: A) Opalinata B) Actinopoda C) Foraminifera D) Rhizopoda
37. Valine amino acids is
1) a-AA 2) β-AA 3) g-AA 4) All the three types
38. Maximum number of individuals of a species, that a particular environment can support indefinitely with its available resources is called: A) Population B) Density C) Carrying capacity D) Deme
39. The antigenic determinants on the surface of antigens that an antibody can identify A) Paratop B) Epitop C) Antigen D) Hepens
40. Which of the following is the first immunoglobulin molecule produced following immunisation: A) IgA B) IgD C) IgM D) IgG
41. Name the vitamin precursor of Coenzyme A: A) Pyridoxine B) Niacin C) Pantothenic acid D) Biotin
42. The ability of the cell or tissue to respond to a specific induction signal is known as – a) Competence b) Equivalence group c) Receptor d) Potency
43. The disease called pernecious anemia is due to the deficiency of: A) Pantothenic acid B) Niacin C) Pyridoxine D) Cobalamine
44. The primary structure of a protein is stabilized by: A) Peptide bond B) Disulphide bond C) Hydrogen bond D) All the baove
45. Which of the following amino acids is an exception to the Ramachandran plot?
A) Alanine and Proline B) Valine and glycine C) Glycine and proline D) Proline and lysine
46. The amino acid present in the catalytic center of glutathione peroxidase and formate dehydrogenase: A) Lysine B) Aspartic acid C) Arginine D) Selenocysteine
47 . Inheritance pattern of Huntinctons chorea is: A) Autosomal recessive B) Autosomal dominant C) Sex linked recessive D) Sex linked dominant
48. Pellagra occurs by the deficiency of: A) Riboflavin B) Thiamine C) Niacin D) Folic acid
49. Which of the following is a reducing sugar? A) Glucose B) Sucrose C) Starch D) Lactose
50. .........................are transmembrane proteins that mediate cell–cell adhesion in animals: A) Collagen B) Integrins C) Laminin D) Cadherins
51.Autophagic vacuole are
: A) telolysosomes B) cytolysosomes C) protolysosomes D) heterolysosomes
52. Which substances will not stimulate an immune response unless they are bound to a larger molecule: A) Haptens B) Antigens C) Adjuvants D) Immunogens
53. Cu containing respiratory pigment is A. Haemoglobin B. Haemocyanin C. Chlorocruorin D. All the above
54. Antibody independent complement activation pathway is: A) Classical B) Alternate C) Terminal pathway D) None of these
55. A binomial name in which name of the genus and of the species are identical: A) Homonym B) Tautonym C) Synonym D) None of these
56. Presence of ‘mutable connective tissue’is a salient feature of: A) Phylum Nematoda B) Phylum Arthropoda C) Phylum Mollusca D) Phylum Echinodermata
57. Identify a tumor suppressor gene: A) EGFR B) SRC C) BRCA2 D) MYC
58. Larva of Balanaoglossus is: A) Tornaria B) Trochophore C) Veliger D) Tadpole
59. Cyclosporin A, a immunosupressive compound is extracted from: A) Monascus purpureus B) Penicillium notatum C) Streptococcus viridians D) Trichoderma polysporum
60. One turn of the helix in B-form DNA is approximately
A) 20 nm B) 0.34 nm C) 3.4 nm D) 2 nm
61. One horned rhinoceros is conserved in: A) Desert national park, Rajasthan B) Kaziranga national park, Assam C) Sunderbans national park, West Bengal D) Kanha national park, Madhya Pradesh
62. Australian lung fish: A) Protopterus B) Lepidosiren C) Neoceratodus D) None of the above
63. Drugs that prevent the formation of the bacterial cell wall are: A) Quinolones B) Beta-lactams C) Tetracyclines D) Aminoglycosides
64. Rinderpest is a ------ disease. A) Bacterial B) Fungal C) Viral D) Protozoan
65. The WBC involves in allergic reactions: A) Monocyte B) Eosinophil C) Basophil D) Neutrophil
66. Give an example for a cartilaginous fish: A) Sardina pilchardus B) Thunnu salbacares C) Clupea harengus D) Glyphis gangeticus
67. Myrmecology deals with: A) Amphibians B) Snakes C) Ants D) Termites
68. Trisomy 18: A) Patau syndrome B) Down syndrome C) Edward syndrome D) Turner syndrome
69. Connecting link between Annelida and Arthropoda: A) Nautilus B) Julus C) Limulus D) Peripatus
70.Which microscopy is used to observe live unstained specimen: A) Phase contrast microscopy B) Bright field microscopy C) Fluorescence microscopy D) Laser scanning confocal microscopy
71. Pavo cristatus is the scientific name of: A) Peacock B) Great hornbill C) Eagle D) Parrot
72. Systema naturae was written by by: A) Chevalier De Lamarck B) Charles Darwin C) Aristotle D) Carolus Linnaeus
73.Centrolecithal egg is shown by: A) Birds B) Reptiles C) Insects D) All of these
74. Genome of Covid 19: A) double stranded RNA B) single stranded RNA C) single stranded DNA D) double stranded DNA
75. Wild life protection act was enacted in: A) 1986 B) 1997 C) 1972 D) 1897
76. “Matsyasetu” app is developed by: A) CIFA B) CIFT C) CMFRI D) CIFRI
77. Assertion (A): A codon is a sequence of three nucleotides present on mRNA, which encodes for a specific protein during the time of translation Reason (R): Codon UUU encodes for phenylalanine A) Both A and R are true and R is correct explanation of A B) Both A and R are true but R is not correct explanation of A C) Both A and R are false D) A is false but R is true
78. Progesterone is secreted by: A) Corpus albicans B) Corpus luteum C) Rete testis D) Ovarian follicles
79. Body"s natural pain killer is A) Endorphins B) Corticoids C) Cortisol D) Adrenalin
80. Schlemm’s canal is present in: A) Eye B) Lymph C) Heart D) Cochlea
81. Lophodont dentition are found in: A) Elephas maximus B) Oryctolagus cuniculus C) Equu scaballus D) All the above
82. Osphradium is an olfactory organ found in A) Echinoderms B) Molluscs C) Amphibians D) Whales
83. Circadian rhythms in mammals are regulated by A) Melatonin B) Acetylcholine C) Dopamine D) Thyroxine
84. The vitamin that is derived from cholesterol is A) VitaminA B) VitaminBI2 C) Vitamin D D) Vitamin K
85. A prophage is A) Phage DNA integrated with bacterial genome B) Bacterial DNA integrated with phage bacterial chromosome DNA C) Viral DNA in early stage virus D) Viral DNA integrated with any foreign DNA
86. An international environment protocol established to provide a shield from the substances which affect the ozone layer : A) Kyoto B) Cartagena C) Montreal D) Nagoya
87.Masking effect of one gene on other gene is : A) Pleiotropy B) Interference C) Coincidence D) Epistasis
88. Removal of RNA polymerase III from nucleoplasm will affect the synthesis of A) mRNA B) rRNA. C) tRNA D) hnRNA
89. Which of the following stage represent the best stage to view the shape, size and number of chromosomes - a) Telophase b) Metaphase c) Anaphase d) Prophase
90. Fluctuation test is used to determine: A) Randomness of mutation in bacteria B) To test chemicals for their cancer causing properties C) To study evolution D) None of these
91. Biological oxygen demand (BOD) indicates A) Oxygen content in water B) Level of microbial pollution in water C) Ozone content in water D) Levelo f metal pollution in water
92. The succession in which a pond ecosystem is converted to a climax forest community can be called as A) Hydrach succession B) Mesarch succession C) Xerarch succession D) Cyclic succession
94. Aggregates of lymphoid tissue present in the distal portion of small intestine are known as nl -Vitti B) Rulae C) Choroid plexus D) Peyer's patches
95. The haemopoetic hormone thrombopoietin is secreted by: A) Liver B) Muscle C) Kidney D) Bone marrow
96. Regeneration of limbs in frog is A) Morphallaxis B) Epimorphosis C) Both A and B D) Neither A nor B
97. Extremely high risk of extinction in the wild in the immediate future according to IUCN red data book: A) Extinct in the wild B) Critically endangered C) Vulnerable D) Near threatened
98. Speciation which does not require geographic isolation, instead which relies on the development of reproductive isolation mechanism to allow divergence of the two sub populations: A) Allopatric speciation B) Sympatric speciation C) Parapatric speciation D) None of these 11
99. Evolutionary event when a population drastically reduces to a significantly smaller size over a short period of time: A) Founder effect B) Mutation C) Genetic drift D) Bottlenecks
100. Decline in responding to a repeated stimuli: A) Habituation B) Latent learning C) Imprinting D) Conditioned reflex
101. Bacteria having flagella on both sides: A) Amphitrichous B) Peritrichous C) Atrichous D) Lophotrichouus
102. Reverse transcription was invented by: A) George Wells Beadle B) Jacob and Monad C) Francis Crick D) Temin and Baltimore
103. Recognition sequence of BamH1: A) 5'-AGGTCC-3' B) 5'-TTATGG-3' C) 5'-CGATCG-3' D) 5'-GGATCC-3'
104. Raft culture is followed for: A) Penaeus indicus B) Scylla serrata C) Labeo rohita D) Perna viridis
105. Protecting ------ species indirectly protects the many other species that make up the ecological community of its habitat. A) Keystone B) Umbrella C) Flagship D) Indicator
106. A nucleotide sequence database is: A) EMBL B) SWISS PROT C) TREMBLE D) PROSITE
107. Who coined the term Bioinformatics and when?
A. PaulienHogeweg, 1979. B. Dr Margaret Oakley Dayhoff, 1976. C. Robert Ledley, 1978. D. David W Mount, 1977.
108. Intemational Union for Conservation of Nature (IUCN) is also called as A) Man and biosphere Program B) World conservation union . C) World conservation consortium D) Worldwide conservation program
109. Heart and notochord in human are derived from: A) Endoderm B) Ectoderm C) Mesoderm D) None of these
110. Clotting of menstrual blood inside uterus is prevented by: A) Heparin B) Plasmin C) Warfarin D) Citrate salt
112. Who among the following is considered as father of conditioned reflex? A) Niko Tinbergen B) Konard Lorenz C) Ivan Pavlov D) Karl Von Frisch
113. Nanda Devi and Valley of Flowers National Park is located in: A) Bihar B) Kerala C) Uttarakhand D) Uttar Pradesh
116. Identify the vestigial organ from the following? A) Coccyx B) Wisdom tooth C) Nictitating membrane D) All the above
120. Silk gland of silk worm is the modification of: A) Labial gland B) Antennary gland C) Antennules D) Hypophysis
KEY
1.Chemical degradation method of chain termination is used in: A) Sanger’s method of DNA sequencing B) Maxam and Gilbert method of DNA sequencing C) Automatic DNA sequencing method developed by Scharifet. al. D) RT- PCR for disease diagnosis
2. Identify the statement associated with Nothern blotting: A) Used for the attachment of probes to single stranded RNA molecule B) Helping in the comparison of RNA extracted from different sources C) Transfer of RNA fragments from the gel to the nitrocellulose membrane D) Transfer of RNA fragments from the nitrocellulose membrane to buffer
4. Phospholipid mainly used in signal transduction: A) Phophatidylcholine B) Phophatidylethanolamine C) Phophatidyl inositol 4,5 bis phosphate D) cardiolipin
5. Km value of Michaelis- Menten equation, the denote the: A) Rate of activity of the enzyme B) Turnover number of the enzyme C) The velocity of the enzyme action D) The substrate concentration
6. DNA replication occures during: A) M phase of cell cycle B) G1 phase of cell cycle C) G2 phase of cell cycle D) S phase of cell cycle
7. Synaptonemal complex formation occures during : A) Leptonema B) Zygonema C) Pachynema D) Diplonema
8. Chromosome rduplication results in the formation of giant chromosomes is called: A) Endomitosis B) Heterochromatinization C) Gene amplification D) Cell duplication
9.. Which one of the following is a primary protein database?
A. SWISS-PROT. B. EMBL. C. DDBJ. D. NCBI
10. For conversion of prothrombin into thrombin, which of the following is required
1) Fibrinogen 2) Vitamin K 3) Proconvertin 4) Thrombokinase
11. Cardiac output is
1) Volume of blood pumped by each ventricle in each cardiac cycle
2) Volume of blood pumped out by each ventricle per minute
3) 5 litres in a healthy individual
4) Both (2) & (3)
12. Which of the following is mismatched?
1) Lubb : First heart sound associated with closure of tricuspid and bicuspid
Valves
2) Cardiac output : Stroke volume multiplied by heart rate
3) Dub : Second heart sound, due to opening of semilunar valves
4) Duration of cardiaccycle : 0.8 seconds
13. Atrial systole
1) Increases the flow of blood into the ventricles by 70 percent
2) Is due to generation of action potential in AVN
3) Increases the flow of blood into the ventricles by 30 percent
4) Coincides with ventricular systole
14. Purkinje fibres arise from
1) Apex of ventricles 2) Middle of ventricles
3) Anterior part of atria 4) Posterior part of atria
15. The opening between the right atrium and right ventricle is guarded by a valve called
1) Bicuspid valve 2) Mitral valve 3) Tricuspid valve 4) Both (2) & (3)
16. Identify the primary egg membrane that helps in species -specific sperm – egg recognition and binding: A) Zona pellucida B) Corona radiata C) Chorion D) Allantois
17. In frog blastula, the prospective notochordal cells are derived from:
A) The non-pigmented area surrounding the vegetal pole B) Pigmented area surrounding animal pole C) Dorsal side of grey crescent D) Presumptive epidermal ectoderm
18. The inherent ability of an animal to navigate towards an original location through unfamiliar areas: A) Biorhythm B) Orientation C) Homing D) Migration
19. The pheromone that is used for recruitment, for marking pathways to resources, and for indicating resource richness: A) Recognition pheromone B) Alarm pheromone C) Marker pheromone D) Trail pheromone
20. The statement which is not applicable to Urey- Miller experiment: A) They used a high energy gas chamber filled with water vapour, ammonia, methane and hydrogen B) Energy was provided by electric spark using tungsten electrode C) An oxidizing environment is essential for the abiogenic synthesis of organic molecules D) The interaction of gases resulted in the abiogenic synthesis of organic molecules 21. Darwin’s book On the Origin of Species was published on: A) 1 st November 1838 B) 12th February 1809 C) 24th November 1859 D) 19th April 1882
22. “All heritable variations have their origin in germ cells and a new type of organism arise only from changed type of germ cells”. This concept was developed by: A) Jean Baptiste Lamark B) Hugo de Vries C) Charles Darwin D) August Weismann
23. Identify the statement that is wrong in connection with Hardy- Weinberg equilibrium: A) Allelic frequencies at an autosomal locus in a population will not change from generation to generation B) Individuals of the population exhibit non-random mating, mutation and migration C) The genotypic frequencies of a population are determined by the allelic frequencies in a predictable way D) A genetic equilibrium will get reestablished within one generation of random mating
24. Genetically and phylogenetically unrelated species of organisms under the same environmental conditions evolve and acquire similar morphological features is called: A) Adaptive radiation B) Convergent evolution C) Divergent evolution D) speciation
25. “ A certain organism’s survival and existence depend upon the multifaceted set of conditions wherein each individual has definite minimum, maximum and optimum ecological factors to establish success” is termed as:
A) Shelford’s law of tolerance B) Blackmans law of limiting factors C) Liebig’s law of minimum D) Abiotic chemical factors
26. In which pair erythroblastosis foetalis occur
A). Rh+ male & Rh- female B) Rh- male & Rh- female
C). Rh+ male & Rh+ female D)Rh- male & Rh+ female
27. Match the following:
a. Mutualism 1. − 0
b. Commensalism 2. + −
c. Predation 3. + 0
d. Amensalism 4. + +
A) a-1, b-3, c-2, d-4 B) a-4, b-3, c-2, d-1 C) a-3, b-4, c-2, d-1 D) a-4, b-3, c-1, d-2
28. The process which takes place in a resting membrane: A) Transmembrane cation pump will not get operated B) Na+ ions are actively transported outward and K+ ion inward across the membrane C) The ionic mobility and membrane permeability of K+ ions are lesser than that of Na+ ions D) The positive ions become more numerous inside the membrane
29. 7. Match the column I with column II and select the correct answer
Column I Column II
A Pachytene i. Bouquet stage
B Zygotene ii. Chiasma visible
C Diplotene iii. Terminalisation
D Leptotene iv Gene exchange
E Diakinesis v Synapsis
1) A-i, B-ii, C-iii, D-iv, E-v 2) A-iv, B-v, C-ii, D-i, E-iii
3) A-iii, B-iv, C-v, D-ii, E-i 4) A-ii, B-iii, C-iv, D-i, E-v
30. Two highly inbred strains of mice with black fur and the other with greyfur, were crossed. The resulting offspring had black fur. Predict the outcome of intercrossing the offspring: A) All with grey fur B) Black, Grey and White in 1:2:1 ratio C) 3 Black and 1 Grey D) All will be with black fur
31. Chromosomal theory of inheritance was put forward by: A) George Beedle and Edward Tatum B) Temin and Baltimore C) Boveri and Sutton D) Thomas Hunt Morgan
32. Most abundant protein in human body is
1) Collagen 2) Myosin 3) Actin 4) Albumin
33. Microfilaria larva is the larval stage of: A) Fresh water muscle B) Arenicola C) Turbenella -D) Wucheraria
34. The specialised excretory cells of annelida is: A) Renette cells B) Solenocytes C) Nephridia D) Ctinidia
35. Mosaic vision is the mode of vision by: A) Ocelli B) Simple eyes C) Compound eyes D) human eye
36. Amoeba proteus is comes under the Phylum: A) Opalinata B) Actinopoda C) Foraminifera D) Rhizopoda
37. Valine amino acids is
1) a-AA 2) β-AA 3) g-AA 4) All the three types
38. Maximum number of individuals of a species, that a particular environment can support indefinitely with its available resources is called: A) Population B) Density C) Carrying capacity D) Deme
39. The antigenic determinants on the surface of antigens that an antibody can identify A) Paratop B) Epitop C) Antigen D) Hepens
40. Which of the following is the first immunoglobulin molecule produced following immunisation: A) IgA B) IgD C) IgM D) IgG
41. Name the vitamin precursor of Coenzyme A: A) Pyridoxine B) Niacin C) Pantothenic acid D) Biotin
42. The ability of the cell or tissue to respond to a specific induction signal is known as – a) Competence b) Equivalence group c) Receptor d) Potency
43. The disease called pernecious anemia is due to the deficiency of: A) Pantothenic acid B) Niacin C) Pyridoxine D) Cobalamine
44. The primary structure of a protein is stabilized by: A) Peptide bond B) Disulphide bond C) Hydrogen bond D) All the baove
45. Which of the following amino acids is an exception to the Ramachandran plot?
A) Alanine and Proline B) Valine and glycine C) Glycine and proline D) Proline and lysine
46. The amino acid present in the catalytic center of glutathione peroxidase and formate dehydrogenase: A) Lysine B) Aspartic acid C) Arginine D) Selenocysteine
47 . Inheritance pattern of Huntinctons chorea is: A) Autosomal recessive B) Autosomal dominant C) Sex linked recessive D) Sex linked dominant
48. Pellagra occurs by the deficiency of: A) Riboflavin B) Thiamine C) Niacin D) Folic acid
49. Which of the following is a reducing sugar? A) Glucose B) Sucrose C) Starch D) Lactose
50. .........................are transmembrane proteins that mediate cell–cell adhesion in animals: A) Collagen B) Integrins C) Laminin D) Cadherins
51.Autophagic vacuole are
: A) telolysosomes B) cytolysosomes C) protolysosomes D) heterolysosomes
52. Which substances will not stimulate an immune response unless they are bound to a larger molecule: A) Haptens B) Antigens C) Adjuvants D) Immunogens
53. Cu containing respiratory pigment is A. Haemoglobin B. Haemocyanin C. Chlorocruorin D. All the above
54. Antibody independent complement activation pathway is: A) Classical B) Alternate C) Terminal pathway D) None of these
55. A binomial name in which name of the genus and of the species are identical: A) Homonym B) Tautonym C) Synonym D) None of these
56. Presence of ‘mutable connective tissue’is a salient feature of: A) Phylum Nematoda B) Phylum Arthropoda C) Phylum Mollusca D) Phylum Echinodermata
57. Identify a tumor suppressor gene: A) EGFR B) SRC C) BRCA2 D) MYC
58. Larva of Balanaoglossus is: A) Tornaria B) Trochophore C) Veliger D) Tadpole
59. Cyclosporin A, a immunosupressive compound is extracted from: A) Monascus purpureus B) Penicillium notatum C) Streptococcus viridians D) Trichoderma polysporum
60. One turn of the helix in B-form DNA is approximately
A) 20 nm B) 0.34 nm C) 3.4 nm D) 2 nm
61. One horned rhinoceros is conserved in: A) Desert national park, Rajasthan B) Kaziranga national park, Assam C) Sunderbans national park, West Bengal D) Kanha national park, Madhya Pradesh
62. Australian lung fish: A) Protopterus B) Lepidosiren C) Neoceratodus D) None of the above
63. Drugs that prevent the formation of the bacterial cell wall are: A) Quinolones B) Beta-lactams C) Tetracyclines D) Aminoglycosides
64. Rinderpest is a ------ disease. A) Bacterial B) Fungal C) Viral D) Protozoan
65. The WBC involves in allergic reactions: A) Monocyte B) Eosinophil C) Basophil D) Neutrophil
66. Give an example for a cartilaginous fish: A) Sardina pilchardus B) Thunnu salbacares C) Clupea harengus D) Glyphis gangeticus
67. Myrmecology deals with: A) Amphibians B) Snakes C) Ants D) Termites
68. Trisomy 18: A) Patau syndrome B) Down syndrome C) Edward syndrome D) Turner syndrome
69. Connecting link between Annelida and Arthropoda: A) Nautilus B) Julus C) Limulus D) Peripatus
70.Which microscopy is used to observe live unstained specimen: A) Phase contrast microscopy B) Bright field microscopy C) Fluorescence microscopy D) Laser scanning confocal microscopy
71. Pavo cristatus is the scientific name of: A) Peacock B) Great hornbill C) Eagle D) Parrot
72. Systema naturae was written by by: A) Chevalier De Lamarck B) Charles Darwin C) Aristotle D) Carolus Linnaeus
73.Centrolecithal egg is shown by: A) Birds B) Reptiles C) Insects D) All of these
74. Genome of Covid 19: A) double stranded RNA B) single stranded RNA C) single stranded DNA D) double stranded DNA
75. Wild life protection act was enacted in: A) 1986 B) 1997 C) 1972 D) 1897
76. “Matsyasetu” app is developed by: A) CIFA B) CIFT C) CMFRI D) CIFRI
77. Assertion (A): A codon is a sequence of three nucleotides present on mRNA, which encodes for a specific protein during the time of translation Reason (R): Codon UUU encodes for phenylalanine A) Both A and R are true and R is correct explanation of A B) Both A and R are true but R is not correct explanation of A C) Both A and R are false D) A is false but R is true
78. Progesterone is secreted by: A) Corpus albicans B) Corpus luteum C) Rete testis D) Ovarian follicles
79. Body"s natural pain killer is A) Endorphins B) Corticoids C) Cortisol D) Adrenalin
80. Schlemm’s canal is present in: A) Eye B) Lymph C) Heart D) Cochlea
81. Lophodont dentition are found in: A) Elephas maximus B) Oryctolagus cuniculus C) Equu scaballus D) All the above
82. Osphradium is an olfactory organ found in A) Echinoderms B) Molluscs C) Amphibians D) Whales
83. Circadian rhythms in mammals are regulated by A) Melatonin B) Acetylcholine C) Dopamine D) Thyroxine
84. The vitamin that is derived from cholesterol is A) VitaminA B) VitaminBI2 C) Vitamin D D) Vitamin K
85. A prophage is A) Phage DNA integrated with bacterial genome B) Bacterial DNA integrated with phage bacterial chromosome DNA C) Viral DNA in early stage virus D) Viral DNA integrated with any foreign DNA
86. An international environment protocol established to provide a shield from the substances which affect the ozone layer : A) Kyoto B) Cartagena C) Montreal D) Nagoya
87.Masking effect of one gene on other gene is : A) Pleiotropy B) Interference C) Coincidence D) Epistasis
88. Removal of RNA polymerase III from nucleoplasm will affect the synthesis of A) mRNA B) rRNA. C) tRNA D) hnRNA
89. Which of the following stage represent the best stage to view the shape, size and number of chromosomes - a) Telophase b) Metaphase c) Anaphase d) Prophase
90. Fluctuation test is used to determine: A) Randomness of mutation in bacteria B) To test chemicals for their cancer causing properties C) To study evolution D) None of these
91. Biological oxygen demand (BOD) indicates A) Oxygen content in water B) Level of microbial pollution in water C) Ozone content in water D) Levelo f metal pollution in water
92. The succession in which a pond ecosystem is converted to a climax forest community can be called as A) Hydrach succession B) Mesarch succession C) Xerarch succession D) Cyclic succession
94. Aggregates of lymphoid tissue present in the distal portion of small intestine are known as nl -Vitti B) Rulae C) Choroid plexus D) Peyer's patches
95. The haemopoetic hormone thrombopoietin is secreted by: A) Liver B) Muscle C) Kidney D) Bone marrow
96. Regeneration of limbs in frog is A) Morphallaxis B) Epimorphosis C) Both A and B D) Neither A nor B
97. Extremely high risk of extinction in the wild in the immediate future according to IUCN red data book: A) Extinct in the wild B) Critically endangered C) Vulnerable D) Near threatened
98. Speciation which does not require geographic isolation, instead which relies on the development of reproductive isolation mechanism to allow divergence of the two sub populations: A) Allopatric speciation B) Sympatric speciation C) Parapatric speciation D) None of these 11
99. Evolutionary event when a population drastically reduces to a significantly smaller size over a short period of time: A) Founder effect B) Mutation C) Genetic drift D) Bottlenecks
100. Decline in responding to a repeated stimuli: A) Habituation B) Latent learning C) Imprinting D) Conditioned reflex
101. Bacteria having flagella on both sides: A) Amphitrichous B) Peritrichous C) Atrichous D) Lophotrichouus
102. Reverse transcription was invented by: A) George Wells Beadle B) Jacob and Monad C) Francis Crick D) Temin and Baltimore
103. Recognition sequence of BamH1: A) 5'-AGGTCC-3' B) 5'-TTATGG-3' C) 5'-CGATCG-3' D) 5'-GGATCC-3'
104. Raft culture is followed for: A) Penaeus indicus B) Scylla serrata C) Labeo rohita D) Perna viridis
105. Protecting ------ species indirectly protects the many other species that make up the ecological community of its habitat. A) Keystone B) Umbrella C) Flagship D) Indicator
106. A nucleotide sequence database is: A) EMBL B) SWISS PROT C) TREMBLE D) PROSITE
107. Who coined the term Bioinformatics and when?
A. PaulienHogeweg, 1979. B. Dr Margaret Oakley Dayhoff, 1976. C. Robert Ledley, 1978. D. David W Mount, 1977.
108. Intemational Union for Conservation of Nature (IUCN) is also called as A) Man and biosphere Program B) World conservation union . C) World conservation consortium D) Worldwide conservation program
109. Heart and notochord in human are derived from: A) Endoderm B) Ectoderm C) Mesoderm D) None of these
110. Clotting of menstrual blood inside uterus is prevented by: A) Heparin B) Plasmin C) Warfarin D) Citrate salt
112. Who among the following is considered as father of conditioned reflex? A) Niko Tinbergen B) Konard Lorenz C) Ivan Pavlov D) Karl Von Frisch
113. Nanda Devi and Valley of Flowers National Park is located in: A) Bihar B) Kerala C) Uttarakhand D) Uttar Pradesh
116. Identify the vestigial organ from the following? A) Coccyx B) Wisdom tooth C) Nictitating membrane D) All the above
120. Silk gland of silk worm is the modification of: A) Labial gland B) Antennary gland C) Antennules D) Hypophysis
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