1. Maximum power of division is found in the skin layer ____
(A) Stratum granulosum
(B) Stratum malpighi
(C) Stratum spinosum
(D) Stratum corneum
Answer: B
2. Tube feet are characteristic of ____
(A) Star fish
(B) Cuttle fish
(C) Cray fish
(D) Jelly fish
Answer: A
3. The parts of neurons that perform basic cellular functions, such as protein synthesis, are the ____
(A) Somas
(B) Axons
(C) Dendrites
(D) Synaptic knobs
Answer: A
4. Lewy bodies are found in ____
(A) Brain
(B) Plasma
(C) Lymph
(D) Kidneys
Answer: A
5. A hormone that stimulates the secretion of pancreatic secretions to neutralize the acid chyme from the stomach, is ____
(A) Insulin
(B) Secretin
(C) Oxytocin
(D) Glucagon
Answer: B
6. Which of the following pair is correctly matched ?
(A) Excessive perspiration—Xeric adaptation
(B) Parasitism—Interspecific relationship
(C) Uricotelism—Aquatic habitat
(D) Streamline body—Aquatic adaptation
Answer: D
7. Enzymes promote chemical reaction by ___
(A) Reducing the activation energies
(B) Causing the release of heat which acts as a primer
(C) Increasing molecular motion
(D) Changing the free energy difference between substrate and product
Answer: A
8. The modification of hind pair of wings into haltered is the characteristic of ___
(A) Lepidoptera
(B) Orthoptera
(C) Hemiptera
(D) Diptera
Answer: D
9. A molecule of ATP is structurally similar to a molecule of ____
(A) RNA molecule
(B) DNA molecule
(C) Amino acid
(D) Fatty acid
Answer: A
10. Class Trematoda belongs to the phylum ____
(A) Platyhelminthes
(B) Arthropoda
(C) Mollusca
(D) Annelida
Answer: A
11. Albinism is caused due to lack of production of ____
(A) Tyrosine 3-monooxygenase
(B) Homogentisic acid oxidase
(C) Thiamine pyrophosphate
(D) Phenylalanine hydroxylase
Answer: A
12. Which of the following is egg laying mammal ?
(A) Pangolin
(B) Porcupine
(C) Tachyglossus
(D) Bat
Answer: C
13. Acetylcholine is responsible for transmission of nerve impulses through ____
(A) Dendrites
(B) Axons
(C) Cytons
(D) Synapses
Answer: D
14. Loss of ability to speak due to defect of vocal organs, is called ____
(A) Alalia
(B) Alaorina
(C) Alate
(D) Albidus
Answer: A
15. Heparin is secreted by ___
(A) Fibroblasts
(B) Mast cells
(C) Plasmocytes
(D) Adipocytes
Answer: B
16. Interdependent genes with related functions, form ___
(A) A coadapted gene complex
(B) An inversion
(C) A fitness set
(D) A super mutation
Answer: A
17. Which of the following animal has rhabditiform larva in its life cycle ?
(A) Ascaris
(B) Liverfluke
(C) Hydra
(D) Taenia
Answer: A
18. Which of the following Mollusc is cultured in water for producing pearls in India ?
(A) Pinctada
(B) Heliotis
(C) Anodonta
(D) Mytilus
Answer: A
19. ‘A tube within a tube’ body plan is met within ____
(A) Hydra
(B) Plannaria
(C) Ascaris
(D) Fasciola
Answer: C
20. Termination of amino acid chain requires codons ____
(A) UAG, UAA, UGA
(B) UUU, GGU, UGG
(C) GUG, UGG, AUG
(D) UGG, GGG, AUG
Answer: A
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