Q1. A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by
(a) Only daughters
(b) Only sons
(c) Both sons and daughters
(d) Only grandchildren
Correct Answer: (c)
Q2. Calcium is important in skeletal muscle contraction because it
(a) Binds to troponin to remove masking
(b) Activates myosin ATPase
(c) Prevents bond formation
(d) Detaches myosin head
Correct Answer: (a)
Q3. Conversion of milk to curd improves its nutritional value by increasing the amount of
(a) Vitamin D
(b) Vitamin A
(c) Vitamin E
(d) Vitamin B₁₂
Correct Answer: (d)
Q4. Ozone Day?
(a) 5 June
(b) 21 April
(c) 22 April
(d) 16 Sept
Correct Answer: (d)
Q5. The similarity of bone structure in the forelimbs of many vertebrates is an example of
(a) Homology
(b) Analogy
(c) Adaptive radiation
(d) Convergent evolution
Correct Answer: (a)
Q6. Correct statement:
(a) Stahl: linkage
(b) Punnett: British scientist
(c) Transduction: Altman
(d) Spliceosome: translation
Correct Answer: (b)
Q7. Pneumatophores occur in
(a) Halophytes
(b) Hydrophytes
(c) Submerged
(d) Carnivorous
Correct Answer: (a)
Q8. The amnion of mammalian embryo is derived from
(a) ectoderm and mesoderm
(b) endoderm and mesoderm
(c) ectoderm and endoderm
(d) mesoderm and trophoblast
Correct Answer: (a)
Q9. Hormones secreted by the placenta to maintain pregnancy are
(a) hCG, hPL, progestogens, prolactin
(b) hCG, hPL, estrogens, relaxin, oxytocin
(c) hCG, progestogens, estrogens, glucocorticoids
(d) hCG, hPL, progestogens, estrogens
Correct Answer: (d)
Q10. Match plasma proteins:
a. Fibrinogen ii. Clotting b. Globulin iii. Defence c. Albumin i. Osmotic balance
(a) a-iii, b-ii, c-i
(b) a-i, b-ii, c-iii
(c) a-ii, b-iii, c-i
(d) a-i, b-iii, c-ii
Correct Answer: (c)
Q11. Which is not a homeotherm?
(a) Macropus
(b) Chelone
(c) Psittacula
(d) Camelus
Correct Answer: (b)
Q12. Among the following sets of examples for divergent evolution, select the incorrect option :
(a) Forelimbs of man, bat and cheetah
(b) Heart of bat, man and cheetah
(c) Eye of octopus, bat and man
(d) Brain of bat, man and cheetah
Correct Answer: (c)
Q13. Correct statement:
(a) Gymnosperms: naked ovules
(b) Salvinia: homosporous
(c) Unbranched: Cycas/Cedrus
(d) Horsetails: gymnosperms
Correct Answer: (a)
Q14. Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?
(a) Inflammation of bronchioles; Decreased respiratory surface
(b) Increased number of bronchioles; Increased respiratory surface
(c) Decreased respiratory surface; Inflammation of bronchioles
(d) Increased respiratory surface; Inflammation of bronchioles
Correct Answer: (a)
Q15. Wrong statement:
(a) Cell wall in Fungi
(b) Mushrooms: Basidiomycetes
(c) Mitochondria absent in Monera
(d) Pseudopodia in Sporozoans
Correct Answer: (d)
Q16. AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?
(a) AGGUAUCGCAU
(b) UGGTUTCGCAT
(c) UCCAUAGCGUA
(d) ACCUAUGCGAU
Correct Answer: (a)
Q17. Secondary xylem/phloem from
(a) Apical
(b) Vascular cambium
(c) Axillary
(d) Phellogen
Correct Answer: (b)
Q18. Ozone degradation catalyst?
(a) Carbon
(b) Cl
(c) Oxygen
(d) Fe
Correct Answer: (b)
Q19. Nissl bodies are mainly composed of
(a) Proteins and lipids
(b) DNA and RNA
(c) Free ribosomes and RER
(d) Nucleic acids and SER
Correct Answer: (c)
Q20. Stomata not affected by?
(a) Temperature
(b) Light
(c) CO2
(d) O2
Correct Answer: (d)
Q21. Which of the following is not an autoimmune disease?
(a) Psoriasis
(b) Rheumatoid arthritis
(c) Vitiligo
(d) Alzheimer's disease
Correct Answer: (d)
Q22. Role of NAD+ in respiration?
(a) Enzyme
(b) Electron carrier
(c) Final acceptor
(d) ATP source
Correct Answer: (b)
Q23. Identify male cockroach by:
(a) Boat shaped sternum
(b) Caudal styles
(c) Anal cerci
(d) Tegmina
Correct Answer: (b)
Q24. Ciliates differ from other protozoans in
(a) using flagella
(b) having contractile vacuole
(c) having two types of nuclei
(d) using pseudopodia
Correct Answer: (c)
Q25. Which one of the following population interactions is widely used in medical science for the production of antibiotics?
(a) Commensalism
(b) Mutualism
(c) Amensalism
(d) Parasitism
Correct Answer: (c)
Q26. Unauthorised use of bioresources is
(a) Bio-infringement
(b) Biopiracy
(c) Bioexploitation
(d) Biodegradation
Correct Answer: (b)
Q27. Chromosomes separation begins in
(a) Pachytene
(b) Diplotene
(c) Zygotene
(d) Diakinesis
Correct Answer: (b)
Q28. Match the items given in Column I with those in Column II:
Column-I Column-II a. Eutrophication iii. Nutrient enrichment b. Sanitary landfill iv. Waste disposal c. Snow blindness i. UV-B radiation d. Jhum cultivation ii. Deforestation
(a) a-ii, b-i, c-iii, d-iv
(b) a-i, b-iii, c-iv, d-ii
(c) a-i, b-ii, c-iv, d-iii
(d) a-iii, b-iv, c-i, d-ii
Correct Answer: (d)
Q29. Wrongly matched?
(a) Pea starch: Multiple alleles
(b) ABO: Co-dominance
(c) Morgan: Linkage
(d) XO: Grasshopper
Correct Answer: (a)
Q30. Which is not a prokaryote?
(a) Saccharomyces
(b) Mycobacterium
(c) Oscillatoria
(d) Nostoc
Correct Answer: (a)
Q31. Which of these statements is incorrect?
(a) TCA cycle enzymes in matrix
(b) Glycolysis in cytosol
(c) Oxidative phosphorylation in outer membrane
(d) Glycolysis needs NAD
Correct Answer: (c)
Q32. Which plant has obligate relationship with a moth?
(a) Hydrilla
(b) Yucca
(c) Viola
(d) Banana
Correct Answer: (b)
Q33. Casparian strips in
(a) Epidermis
(b) Pericycle
(c) Endodermis
(d) Cortex
Correct Answer: (c)
Q34. Iron absorption form in plants?
(a) Ferric
(b) Ferrous
(c) Both
(d) Free element
Correct Answer: (a)
Q35. Which does not occur in RER?
(a) Protein folding
(b) Glycosylation
(c) Phospholipid synthesis
(d) Cleavage of signal peptide
Correct Answer: (c)
Q36. Organisation for GM safety in India?
(a) ICMR
(b) CSIR
(c) GEAC
(d) RCGM
Correct Answer: (c)
Q37. Identify the group with crop and gizzard
(a) Amphibia
(b) Reptilia
(c) Osteichthyes
(d) Aves
Correct Answer: (d)
Q38. The contraceptive ‘SAHELI’
(a) blocks estrogen receptors in the uterus, preventing eggs from getting implanted.
(b) increases the concentration of estrogen and prevents ovulation in females.
(c) is a post-coital contraceptive.
(d) is an IUD.
Correct Answer: (a)
Q39. Pyramid type (SC:120g, PC:60g, PP:10g)?
(a) Inverted biomass
(b) Energy
(c) Upright biomass
(d) Numbers
Correct Answer: (a)
Q40. Niche is
(a) environmental factors
(b) physical space
(c) functional role
(d) temp range
Correct Answer: (c)
Q41. Match the items given in Column I with those in Column II and select the correct option given below :
Column I Column II a. Proliferative Phase ii. Follicular Phase b. Secretory Phase iii. Luteal Phase c. Menstruation i. Breakdown of endometrial lining
(a) a-iii, b-ii, c-i
(b) a-i, b-iii, c-ii
(c) a-iii, b-i, c-ii
(d) a-ii, b-iii, c-i
Correct Answer: (d)
Q42. In a growing population of a country,
(a) pre-reproductive individuals are more than the reproductive individuals.
(b) reproductive individuals are less than the post-reproductive individuals.
(c) pre-reproductive individuals are less than the reproductive individuals.
(d) reproductive and pre-reproductive individuals are equal in number.
Correct Answer: (a)
Q43. No secondary growth in
(a) Grasses
(b) Angiosperms
(c) Cycads
(d) Conifers
Correct Answer: (a)
Q44. Not a product of light reaction?
(a) ATP
(b) NADH
(c) Oxygen
(d) NADPH
Correct Answer: (b)
Q45. The difference between spermiogenesis and spermiation is
(a) In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed.
(b) In spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed.
(c) In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from sertoli cells into the cavity of seminiferous tubules.
(d) In spermiogenesis spermatozoa from sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed.
Correct Answer: (c)
Q46. In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels?
(a) Elephantiasis
(b) Ascariasis
(c) Amoebiasis
(d) Ringworm disease
Correct Answer: (a)
Q47. Match excretory parts:
a. Ultrafiltration iv. Malpighian corpuscle b. Concentration i. Henle's loop c. Transport ii. Ureter d. Storage iii. Bladder
(a) a-iv, b-v, c-ii, d-iii
(b) a-iv, b-i, c-ii, d-iii
(c) a-v, b-iv, c-i, d-iii
(d) a-v, b-iv, c-i, d-ii
Correct Answer: (b)
Q48. Which part of poppy plant is used to obtain the drug “Smack”?
(a) Flowers
(b) Latex
(c) Leaves
(d) Roots
Correct Answer: (b)
Q49. Match lung volumes:
a. TV iii. 500 mL b. IRV i. 2500–3000 mL c. ERV iv. 1000–1100 mL d. RV ii. 1100–1200 mL
(a) a-iii, b-ii, c-i, d-iv
(b) a-iii, b-i, c-iv, d-ii
(c) a-iv, b-iii, c-ii, d-i
(d) a-i, b-iv, c-ii, d-iii
Correct Answer: (b)
Q50. Stomata in grass leaf are
(a) Dumb-bell shaped
(b) Kidney shaped
(c) Barrel shaped
(d) Rectangular
Correct Answer: (a)
Q51. Two functional groups of sugars?
(a) Hydroxyl/Methyl
(b) Carbonyl/Methyl
(c) Carbonyl/Hydroxyl
(d) Carbonyl/Phosphate
Correct Answer: (c)
Q52. Which of the following gastric cells indirectly help in erythropoiesis?
(a) Chief cells
(b) Mucous cells
(c) Parietal cells
(d) Goblet cells
Correct Answer: (c)
Q53. Double fertilization is
(a) Two males + two eggs
(b) One male + two polar nuclei
(c) Syngamy and triple fusion
(d) Two males + one egg
Correct Answer: (c)
Q54. Natality refers to
(a) Death rate
(b) Birth rate
(c) Entering
(d) Leaving
Correct Answer: (b)
Q55. All of the following are included in ‘ex-situ conservation’ except
(a) Wildlife safari parks
(b) Sacred groves
(c) Seed banks
(d) Botanical gardens
Correct Answer: (b)
Q56. The transparent lens in the human eye is held in its place by
(a) ligaments attached to the ciliary body
(b) ligaments attached to the iris
(c) smooth muscles attached to the ciliary body
(d) smooth muscles attached to the iris
Correct Answer: (a)
Q57. Wrongly matched?
(a) Uniflagellate: Polysiphonia
(b) Biflagellate: Brown algae
(c) Unicellular: Chlorella
(d) Gemma: Marchantia
Correct Answer: (a)
Q58. Which does not undergo metamorphosis?
(a) Earthworm
(b) Tunicate
(c) Starfish
(d) Moth
Correct Answer: (a)
Q59. Winged pollen in
(a) Mustard
(b) Cycas
(c) Pinus
(d) Mango
Correct Answer: (c)
Q60. Semiconservative replication proof first in
(a) Fungus
(b) Bacterium
(c) Virus
(d) Plant
Correct Answer: (b)
Q61. Element for turgor in cells?
(a) Magnesium
(b) Sodium
(c) Calcium
(d) Potassium
Correct Answer: (d)
Q62. Which of the following hormones can play a significant role in osteoporosis?
(a) Aldosterone and Prolactin
(b) Progesterone and Aldosterone
(c) Parathyroid hormone and Prolactin
(d) Estrogen and Parathyroid hormone
Correct Answer: (d)
Q63. Flowers only once?
(a) Bamboo
(b) Jackfruit
(c) Papaya
(d) Mango
Correct Answer: (a)
Q64. Which describe human dentition?
(a) Thecodont, Diphyodont, Homodont
(b) Thecodont, Diphyodont, Heterodont
(c) Pleurodont, Diphyodont, Heterodont
(d) Pleurodont, Monophyodont, Homodont
Correct Answer: (b)
Q65. According to Hugo de Vries, the mechanism of evolution is
(a) Multiple step mutations
(b) Saltation
(c) Minor mutations
(d) Phenotypic variations
Correct Answer: (b)
Q66. Select correct match:
(a) Ribozyme - Nucleic acid
(b) F2 x Recessive - Dihybrid
(c) Mendel - Transformation
(d) Morgan - Transduction
Correct Answer: (a)
Q67. Match conditions:
a. Glycosuria iv. Glucose in urine b. Gout i. Uric acid in joints c. Renal calculi ii. Salt crystals d. Nephritis iii. Inflammation
(a) a-iii, b-ii, c-iv, d-i
(b) a-i, b-ii, c-iii, d-iv
(c) a-iv, b-i, c-ii, d-iii
(d) a-ii, b-iii, c-i, d-iv
Correct Answer: (c)
Q68. Chief producers in oceans?
(a) Dinoflagellates
(b) Diatoms
(c) Euglenoids
(d) Cyanobacteria
Correct Answer: (b)
Q69. Correct match:
(a) Jeffreys - S. pneumoniae
(b) Hershey/Chase - TMV
(c) Jacob/Monod - Lac operon
(d) Meselson/Stahl - Peas
Correct Answer: (c)
Q70. Pollen preservation as fossils?
(a) Pollenkitt
(b) Intine
(c) Sporopollenin
(d) Oil content
Correct Answer: (c)
Q71. Oxygen not produced by
(a) Green sulphur bacteria
(b) Nostoc
(c) Chara
(d) Cycas
Correct Answer: (a)
Q72. Select the incorrect match:
(a) Lampbrush chromosomes – Diplotene
(b) Allosomes – Sex chromosomes
(c) Polytene chromosomes – Oocytes
(d) Submetacentric – L-shaped
Correct Answer: (c)
Q73. Which of the following is an occupational respiratory disorder?
(a) Anthracis
(b) Silicosis
(c) Emphysema
(d) Botulism
Correct Answer: (b)
Q74. All of the following are part of an operon except
(a) an operator
(b) structural genes
(c) a promoter
(d) an enhancer
Correct Answer: (d)
Q75. Which is incorrectly paired?
(a) Medulla oblongata : controls respiration
(b) Limbic system : controls movement
(c) Corpus callosum : connects hemispheres
(d) Hypothalamus : regulation of temperature
Correct Answer: (b)
Q76. Golgi complex participates in
(a) Fatty acid breakdown
(b) Secretory vesicles
(c) Amino acid activation
(d) Bacteria respiration
Correct Answer: (b)
Q77. Which of the following is an amino acid derived hormone?
(a) Epinephrine
(b) Ecdysone
(c) Estriol
(d) Estradiol
Correct Answer: (a)
Q78. Spores exogenously in
(a) Neurospora
(b) Alternaria
(c) Saccharomyces
(d) Agaricus
Correct Answer: (d)
Q79. Offsets are produced by
(a) Meiosis
(b) Mitosis
(c) Parthenogenesis
(d) Parthenocarpy
Correct Answer: (b)
Q80. Match taxonomic aids:
Herbarium Dried plants Key Booklet for ID Museum Preserved specimens Catalogue List of species
(a) a-i, b-iv, c-iii, d-ii
(b) a-iii, b-ii, c-i, d-iv
(c) a-iii, b-iv, c-i, d-ii
(d) a-ii, b-iv, c-iii, d-i
Correct Answer: (c)
Q81. Sweet potato is
(a) Stem
(b) Adventitious root
(c) Rhizome
(d) Tap root
Correct Answer: (b)
Q82. Variety of rice patented by US company?
(a) Co-667
(b) Sharbati Sonora
(c) Basmati
(d) Lerma Rojo
Correct Answer: (c)
Q83. Correct PCR steps?
(a) Ext, Denat, Anneal
(b) Anneal, Ext, Denat
(c) Denat, Anneal, Ext
(d) Denat, Ext, Anneal
Correct Answer: (c)
Q84. True for nucleolus?
(a) Large in dividing cells
(b) Membrane bound
(c) Site for rRNA synthesis
(d) Spindle formation
Correct Answer: (c)
Q85. Match the valves:
a. Tricuspid iii. Right atrium-ventricle b. Bicuspid i. Left atrium-ventricle c. Semilunar ii. Ventricle-pulmonary artery
(a) a-iii, b-i, c-ii
(b) a-i, b-iii, c-ii
(c) a-ii, b-i, c-iii
(d) a-i, b-ii, c-iii
Correct Answer: (a)
Q86. Which of the following characteristics represent ‘Inheritance of blood groups’ in humans?
(a) b, c and e
(b) a, b and c
(c) a, c and e
(d) b, d and e
Correct Answer: (b)
Q87. Many ribosomes on a single mRNA are called
(a) Polysome
(b) Polyhedral bodies
(c) Nucleosome
(d) Plastidome
Correct Answer: (a)
Q88. Vector for human lymphocytes?
(a) Retrovirus
(b) Ti plasmid
(c) pBR 322
(d) λ phage
Correct Answer: (a)
Q89. Pollen storage temperature (Liquid N2)?
(a) –120°C
(b) –80°C
(c) –160°C
(d) –196°C
Correct Answer: (d)
Q90. Secondary pollutant?
(a) CO
(b) CO2
(c) O3
(d) SO2
Correct Answer: (c)