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