Zoology Practice MCQs (Most Important and Expected Questions) NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc. Set 29
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Q.6 Who describe sex linkage in Drosophilla:
(a) Sutton
(b) Garth Nicolson
(c) Jhonathan Singer
(d) Robertson
(e) None of these
Answer: E
Q.7 The number of cranial nerves in man is:
(a) 8
(b) 10
(c) 12
(d) 14
(e) None of these
Answer: C
Q.8 Wings of Birds and fly are example of:
(a) Homologus organ
(b) Analogus organ
(c) Vestigeal organ
(d) All of these
(e) None of these
Answer: A
Q.9 The main chemical composition of ribosomes is:
(a) RNA + Protein
(b) DNA + Protein
(c) Protein + Carbohydrate
(d) Protein + Lipids
(e) None of these
Answer: A
Q.10 The hormone cortisol is secreted by:
(a) Pituitary gland
(b) Ovary
(c) Pancreas
(d) Adrenal gland
(e) None of these
Answer: D
Q.11 In pond ecosystem the primary consumer are:
(a) Zooplankton
(b) Insect larvae
(c) Fish
(d) All of these
(e) None of these
Answer: D
Q.12 The xx, xo sex determination mechanism is present in:
(a) Man
(b) Grasshopper
(c) Birds
(d) All of these
(e) None of these
Answer: B
Q.13 The DNA replication is:
(a) Conservative
(b) Semi conservative
(c) Dispersive
(d) Equatorial
(e) None of these
Answer: B
Q.14 Which one of the following genetic disorder is dominant in man:
(a) Colour blindness
(b) Haemophilia
(c) Tay-Sachs
(d) All of these
(e) None of these
Answer: D
Q.15 The abiotic factor that bring sudden changes in ecosystem is:
(a) Light
(b) Soil
(c) In organic nutrients
(d) Fire
(e) None of these
Answer: A
Q.16 In human, blood clotting is due to the presence of protein called:
(a) Albumin
(b) Globulin
(c) Haemoglobin
(d) Actin
(e) None of these
Answer: E
Q.17 Male sex hormones are collectively known as:
(a) Estrogen
(b) Androgen
(c) Cortisone
(d) Somatotrophic
(e) None of these
Answer: B