Zoology MCQs and Notes

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📊 Zoology
Q. Octopus and squid have a
  • (A) ocelli
  • (B) complex camera eye
  • (C) stigma
  • (D) ocellus
💬 Discuss
✅ Correct Answer: (B) complex camera eye
📊 Zoology
Q. DNA contains all, except
  • (A) adenine
  • (B) thymine
  • (C) cytosine
  • (D) uracil
💬 Discuss
✅ Correct Answer: (D) uracil
📊 Zoology
Q. If population in an area are not geographically isolated, interbred and developed a distinct lifestyle, named as
  • (A) allopatric speciation
  • (B) sympatric speciation
  • (C) parapatric speciation
  • (D) speciation
💬 Discuss
✅ Correct Answer: (C) parapatric speciation
📊 Zoology
Q. FADH2 is equal to
  • (A) 3 Adenosine Triphosphate (ATP)
  • (B) 5 Adenosine Triphosphate (ATP)
  • (C) 6 Adenosine Triphosphate (ATP)
  • (D) 2 Adenosine Triphosphate (ATP)
💬 Discuss
✅ Correct Answer: (D) 2 Adenosine Triphosphate (ATP)
📊 Zoology
Q. Pigmentation helps developing embryos from predators, in
  • (A) camouflage
  • (B) development
  • (C) growth
  • (D) fertilization
💬 Discuss
✅ Correct Answer: (A) camouflage
📊 Zoology
Q. Organ of Ruffini is receptor for
  • (A) touch only
  • (B) pressure only
  • (C) humidity
  • (D) touch and pressure
💬 Discuss
✅ Correct Answer: (D) touch and pressure
📊 Zoology
Q. Chemical substance in matter which is not broken down into units at ordinary chemical reactions is called
  • (A) element
  • (B) mass
  • (C) matter
  • (D) substance
💬 Discuss
✅ Correct Answer: (A) element
📊 Zoology
Q. Epinephrine and norepinephrine are secreted in mammals by
  • (A) medulla oblongata
  • (B) adrenal medulla
  • (C) cerebellum
  • (D) cerebrum
💬 Discuss
✅ Correct Answer: (B) adrenal medulla
📊 Zoology
Q. Mode of nutrition in higher animals is
  • (A) parasitic
  • (B) saprobic
  • (C) autotrophs
  • (D) holozoic
💬 Discuss
✅ Correct Answer: (D) holozoic
📊 Zoology
Q. Membrane that separates cytoplasm and nucleus is called
  • (A) cell wall
  • (B) cell membrane
  • (C) boundary
  • (D) nuclear envelop
💬 Discuss
✅ Correct Answer: (D) nuclear envelop

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