GS Biology Questions and Answers

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Q301
White Revolution is related to the increase in production of
  • A Egg
  • B Wool
  • C Milk
  • D Meat
Answer: Option C
Explanation: White Revolution increased milk production in India.
Q302
Name the "Father of White Revolution" in India
  • A Hargobind Khorana
  • B V. Kurian
  • C M.S. Swaminathan
  • D P. K. Sethi
Answer: Option B
Explanation: V. Kurian led the White Revolution with Amul cooperative.
Q303
Inland fisheries is referred to
  • A Culturing fish in freshwater
  • B Trapping and capturing fish
  • C Deep sea fisheries
  • D Extraction of oil from fish
Answer: Option A
Explanation: Inland fisheries involve freshwater fish farming.
Q304
Foot and Mouth Disease is a highly contagious disease mainly in
  • A Cattle
  • B Poultry
  • C Fish
  • D Erus
Answer: Option D
Explanation: The disease affects cloven-hoofed animals and is caused by a virus.
Q305
Anthrax is a serious disease of
  • A Cattle
  • B Poultry
  • C Fish
  • D All of these
Answer: Option A
Explanation: Anthrax primarily affects cattle and other herbivores.
Q306
High milk-yielding varieties of cows are obtained by
  • A Super ovulation
  • B Artificial insemination
  • C Use of surrogate mothers
  • D All of these
Answer: Option D
Explanation: Multiple techniques improve cow milk yield.
Q307
Which of the following is the high milk-yielding variety of cow?
  • A Jamunapari
  • B Murrah
  • C Holstein
  • D Kathiyabari
Answer: Option C
Explanation: Holstein cow is a high milk-yielding variety.
Q308
Bombay duck and hilsa are examples of
  • A Freshwater fish
  • B Marine fish
  • C Breeds of sheep
  • D Breeds of ducks
Answer: Option B
Explanation: Both are popular marine fish species.
Q309
The surface of nerve fibers bears narrow areas called
  • A Schwann cells
  • B Schwann nodes
  • C Nodes of Ranvier
  • D Nisslโ€™s granules
Answer: Option C
Explanation: Nodes of Ranvier allow saltatory conduction in nerves.
Q310
If a couple has three daughters, what are the chances that the fourth child will be a son?
  • A 100%
  • B 75%
  • C 50%
  • D 0%
Answer: Option C
Explanation: Each child's gender is independent; chance is 50%.
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