GS Biology Questions and Answers

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Q41
Cytopyge is found in-
  • A Paramecium
  • B Entamoeba
  • C Amoeba
  • D Trypanosoma
Answer: Option A
Q42
Littoral form of animals is found-
  • A In fresh water
  • B In sea water near the shore
  • C In deep sea
  • D At the bottom of the sea
Answer: Option D
Q43
Bladder worm is a larva of-
  • A Obelia
  • B Silkmoth
  • C Taenia
  • D Nereis
Answer: Option C
Q44
Which of the following secretions associated with digestion does not have enzymes ?
  • A Bile
  • B Gastric juice
  • C Saliva
  • D Pancreatic juice
Answer: Option A
Q45
Yellow fever is transmitted by-
  • A Female Culex
  • B Female Anopheles
  • C Female Aedes
  • D Housefly
Answer: Option C
Q46
The covering membrane of the vacuole is known as-
  • A Tonoplast
  • B Cell wall
  • C Plasma layer
  • D None of these
Answer: Option A
Q47
Age of fishes was known as-
  • A Devonian
  • B Ordovician
  • C Crustaceous
  • D Silurian
Answer: Option A
Q48
‘Quartan malaria’ is caused by-
  • A Plasmodium vivax
  • B Plasmodium malariae
  • C Plasmodium ovale
  • D Plasmodium falciparum
Answer: Option B
Q49
The word ‘species’ was coined by-
  • A John Ray
  • B Mayer
  • C J. Huxley
  • D C. Linnaeus
Answer: Option A
Q50
An embryo of chick with 7 pairs of somites is-
  • A 20 hours old
  • B 22 hours old
  • C 24 hours old
  • D 18 hours old
Answer: Option C
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