GS Biology Questions and Answers

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Q11
Reserve food material in fungi is-
  • A Glycogen
  • B Starch
  • C Sucrose
  • D Maltose
Answer: Option A
Q12
Which is rootless fern ?
  • A Pteris
  • B Dryopteris
  • C Salvinia
  • D Adiantum
Answer: Option C
Q13
Turpentine oil is obtained from-
  • A Coal
  • B Petroleum
  • C Cedarwood
  • D Pinus
Answer: Option D
Q14
Which alga was used by Calvin and his co-workers in their experiments of photosynthesis ?
  • A Chlamydomonas
  • B Chlorella
  • C Chara
  • D Volvox
Answer: Option B
Q15
Which is an oilseed crop ?
  • A Marigold
  • B Chrysanthemum
  • C Rose
  • D Sunflower
Answer: Option D
Q16
The first transgenic plant used for commercial production was-
  • A Cotton
  • B Tomato
  • C Tobacco
  • D Rice
Answer: Option B
Q17
Rare hybrid plants can be saved by-
  • A Pollen culture
  • B Embryo culture
  • C Protoplast culture
  • D None of these
Answer: Option C
Q18
Which is not a category ?
  • A Ecotype
  • B Species
  • C Genus
  • D Order
Answer: Option A
Q19
Linnaeus published his concept of binomial nomenclature first in-
  • A Systema Naturae
  • B Species Plantarum
  • C Genera Plantarum
  • D Philosophia Botanica
Answer: Option B
Q20
When chlorophyll is burnt which element is obtained ?
  • A Ca
  • B Na
  • C Mg
  • D Mn
Answer: Option C
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