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Biology Questions & Answers (Compiled from UPSC, SSC ,PSC ,IBPS previous question papers)

  • Pollination is best defined as

  • Atransfer of pollen from anther to stigma
  • Bgermination of pollen grains
  • Cgrowth of pollen tube in ovule
  • Dvisiting flowers by insects
  • Ozone hole refers to

  • Ahole in ozone layer
  • Bdecrease in the ozone layer in troposphere
  • Cdecrease in thickness of ozone layer in stratosphere
  • Dincrease in the thickness of ozone layer in troposphere
  • The hilum is a scar on the :

  • AFruit, where it was attached to pedicel
  • BFruit, where style was present
  • CSeed, where micropyle was present
  • DSeed, where funicle was attached
  • Which one of the following statements is not true?

  • APollen grains of some plants cause severe allergies and bronchial afflictions in some people
  • BThe flowers pollinated by flies and bats secrete foul odour to attract them
  • CHoney is made by bees by digesting - pollen collected from flowers
  • DPollen grains are rich in nutrients, and they are used in the form of tablets and syrups