GS Biology Questions and Answers

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Q81
Sporophyte is dependent on gametophyte in-
  • A Algae
  • B Pteridophyta
  • C Fungi
  • D Bryophyta
Answer: Option D
Q82
In gametophytic phase of Bryophyta the last cell is-
  • A Gamete
  • B Spore
  • C Elater
  • D Zygote
Answer: Option A
Q83
In Funaria, the calyptra is formed by-
  • A Antheridium
  • B Columella
  • C Capsule
  • D Archegonium
Answer: Option D
Q84
A bryophyte differes from pteridophyte in-
  • A Archegonia
  • B Lack of vascular tissue
  • C Independent gametophyte
  • D None of these
Answer: Option B
Q85
Acid rain is mainly a mixture of-
  • A Sulphuric acid and nitric acid
  • B Hexane and methane
  • C Acetic acid and bromine
  • D Ascorbic acid and citric acid
Answer: Option A
Q86
Ribosomes are sites for-
  • A Protein synthesis
  • B Photosynthesis
  • C Fat synthesis
  • D Respiration
Answer: Option A
Q87
Pyramid of energy is-
  • A Alwayss inverted
  • B Always upright
  • C Sometimes inverted and sometimes upright
  • D None of these
Answer: Option B
Q88
ATP is-
  • A An enzyme which brings about oxidation
  • B A hormone
  • C A molecule with high energy phosphate bond
  • D A protein
Answer: Option C
Q89
Which one of the following is not a feature of prokaryotic cell ?
  • A Absence of nuclear membrane and the nucleus
  • B Absence of cell organelles
  • C Absence of genetic material
  • D Absence of histone protein in the chromosome
Answer: Option C
Q90
Which one of the following is highly dangerous radioactive pollutant ?
  • A Phosphorus-32
  • B Sulphur-35
  • C Strontium-90
  • D Calcium-40
Answer: Option C

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