GS Biology Questions and Answers

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Q111
The Glochidium larva of Unio-
  • A Is free swimming
  • B Is ectoparasite on fish
  • C Is endoparasite on fish
  • D Lives in bottom
Answer: Option B
Q112
The term ‘Plasmalemma’ was given by-
  • A C. Nageli & C. Cramer
  • B J.Q. Plowe
  • C Dancilli & Davson
  • D Robertson
Answer: Option B
Q113
Smooth endoplasmic reticulum performs- 1. Synthesis of lipids 2. Glycogenolysis 3. Sterol metabolism 4. Detoxification Codes :
  • A Only 4 is correct
  • B 1 and 2 both are correct
  • C 2 and 3 both are correct
  • D All are correct
Answer: Option D
Q114
The innermost layer of egg albumen in birds is called-
  • A Inner thin albumen
  • B Vitelline membrane
  • C Dense alburmen
  • D Chalaziferous layer
Answer: Option B
Q115
In which one of the following is the anus absent ?
  • A Leech
  • B Roundworm
  • C Earthworm
  • D Flatworm
Answer: Option D
Q116
Which type of jaw suspension is found in mammals ?
  • A Autostylic
  • B Holostylic
  • C Craniostylic
  • D Hyostylic
Answer: Option A
Q117
Synthesis of urea in liver takes place by-
  • A Nitrogen cycle
  • B Krebs’ cycle
  • C Glycolysis
  • D Ornithine cycle
Answer: Option D
Q118
Sexual dimorphism is found in-
  • A Hydra
  • B Earthworm
  • C Ascaris
  • D Fasciola
Answer: Option B
Q119
Which of the following animals has a nervous system but no brain ?
  • A Amoeba
  • B Hydra
  • C Cockroach
  • D Earthworm
Answer: Option B
Q120
Aristotle’s Lantern occurs in-
  • A Asteroidea
  • B Echinoidea
  • C Holothuroidea
  • D Crinoidea
Answer: Option B

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