Zoology Practice MCQs (Most Important and Expected Questions) NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc. Set 26
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Q.7 FSH (Follicle Stimulating Hormone) is produced in:
(a) Ovary
(b) Hypothalamus
(c) Pituatary
(d) None of these
(e) All of these
Answer: C
Q.8 Lipase is an enzyme responsible for:
(a) Carbohydrate metabolism
(b) Lipid breakdown
(c) Protein breakdown
(d) None of these
Answer: A
Q.9 Law of segregation is applicable to:
(a) Homozygous individual
(b) Heterozygous individual
(c) Both Homozygous and heterozygous
(d) None of these
Answer: D
Q.10 Sex linked genes concern:
(a) Sex characters
(b) Somatic character
(c) Mostly somatic character
(d) None of these
Answer: A
Q.11 XXY individual in man is a phenotypic male, because:
(a) Two X chromosomes are present
(b) Y-chromosome is present
(c) Both X and Y chromosomes are present
(d) None of these
Answer: B
Q.12 Trisomic condition can be produced through:
(a) Primary Non-disjunction
(b) Secondary non-disjunction
(c) Both a and b
(d) None of these
Answer: A
Q.13 First living organism on this planet was:
(a) A protozoan
(b) An algae
(c) Bacteria
(d) A virus
(e) None of these
Answer: C
Q.14 Theory of Natural Selection was proposed by:
(a) Charles Darwin
(b) A. R. Wallace
(c) Both a and b
(d) None of these
Answer: A
Q.15 Lamarck՚s theory of inheritance of acquired characters says:
(a) Environment forces a character
(b) Environment selects a character
(c) Environment has no effect
(d) None of these
Answer: A
Q.16 Orthoselection means:
(a) Selection occurring at different times
(b) Selection occurring at different rates
(c) Selection occurring in one direction
(d) None of these
(e) All of these
Answer: C
Q.17 Haeckle՚s biogenetic law says:
(a) Ontogeny repeats phylogeny
(b) Phylogeny repeats ontogeny
(c) None of these
(d) Both a and b together
Answer: A
Q.18 Ecosystem is a system involving biotic and abiotic components which:
(a) Interact
(b) Interact for energy flow
(c) No interaction
(d) None of these
Answer: B
Q.19 Nitrogen biogeochemical cycle is regarded as gasous cycle because:
(a) Nitrogen is a gas
(b) Recycling is almost complete
(c) Major part of cycle is in gasous state
(d) None of these
Answer: A