GS Biology Questions and Answers

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Q71
The branch that deals with the plants studies in the geological past is called-
  • A Pteridology
  • B Palaeobotany
  • C Neurology
  • D Archaeology
Answer: Option B
Q72
Birbal Sahni Institute of Palaeobotany is situated at-
  • A Allahabad
  • B Delhi
  • C Mumbai
  • D Lucknow
Answer: Option D
Q73
In plants, largest egg is found in-
  • A Cycas
  • B Sequoia
  • C Pinus
  • D Selaginella
Answer: Option A
Q74
Which one of the following is an example of symbiosis ?
  • A Utricularia
  • B Agaricus
  • C Lichen
  • D Mango
Answer: Option C
Q75
Which of the following pteridophytes is known as ‘Horse-tail’ ?
  • A Rhynia
  • B Selaginella
  • C Equisetum
  • D None of these
Answer: Option C
Q76
Marsilea is a-
  • A Homosporic pteridophyte
  • B Heterosporic pteridophyte
  • C Non-sporic pteridophyte
  • D Seeded pteridophyte
Answer: Option B
Q77
A plant bearing two types of spores is termed as-
  • A Heterospory
  • B Seed habit
  • C Homospory
  • D All of these
Answer: Option A
Q78
In Pinus present only-
  • A Male cone
  • B Female cone
  • C Male and female cones
  • D All of these
Answer: Option D
Q79
Number of cotyledons found in the embryo of Cycas is-
  • A 4
  • B 3
  • C 2
  • D 1
Answer: Option B
Q80
Bryophytes are-
  • A Aquatic
  • B Terrestrial
  • C Amphibious
  • D None of these
Answer: Option C

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