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Pollen grains having only colpi is known as :

  • A.Porate
  • B.Colpate
  • C.Colporate
  • D.Colpitute

Answer: B

Pollen with only colpi is called colpate.

Pollen grains are classified by their apertures. Colpi are elongated, furrow-like apertures, and pores are round ones. A grain with only colpi is colpate (for example tricolpate), a grain with only pores is porate, and a grain whose colpi each contain a pore is colporate.

'Colpitute' is not a palynological term. The distinctions matter in forensic palynology, where the aperture type helps identify the plant a pollen grain came from.

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