GS Biology Questions and Answers

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Q51
In the mammals, cleavage result formation of solid mass of cells known-
  • A Blastula
  • B Gastrula
  • C Morula
  • D Neurula
Answer: Option C
Q52
F1particles are found in-
  • A Lysosome
  • B Mitochondria
  • C Golgi Body
  • D Endoplasmic reticulum
Answer: Option B
Q53
The name ‘polytene chromosome’ suggested by-
  • A E.G. Balbiani
  • B Kollar
  • C Heitz
  • D Bauer
Answer: Option A
Q54
Centriole is found in-
  • A Animal cells
  • B Red algae
  • C Prokaryotes
  • D Flowering plants
Answer: Option A
Q55
The first phylum of animal kingdom exhibiting bilateral symmetry is-
  • A Arthropoda
  • B Annelida
  • C Mollusca
  • D Platyhelminthes
Answer: Option D
Q56
The fresh water sponge is-
  • A Spongella
  • B Grantia
  • C Euplectella
  • D Euspongia
Answer: Option A
Q57
Flame cells are related with-
  • A Excretory system
  • B Digestive system
  • C Circulatory system
  • D Respiratory system
Answer: Option A
Q58
The intermediate host in the life cycle of F. hepatica (Liver fluke) is-
  • A Sheep
  • B Snail
  • C Man
  • D Bird
Answer: Option B
Q59
Vitelline membrane is found in-
  • A Birds
  • B Tunicates
  • C Fishes
  • D Mammals
Answer: Option A
Q60
Two-pigment system theory of photosynthesis was proposed by-
  • A Hill Emerson
  • B Emerson
  • C Blackmann
  • D Hatch and Slack
Answer: Option B
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