NEET Botany Biological Classification Questions Solved

Which of these contains 2 nucleus one for vegetative purpose and the other for reproduction?

(1) Euglena

(2) Paramecium

(3) Chlamydomonas

(4) Spirogyra

Audio Explanation:

(2) Paramecium is a genus of ciliated protozoa, abundant in freshwater and much studied in terms of nuclear/cytoplasmic relations. P. aurelia is the species most studied, Paramecium species are noted for their possession of two nuclei per cell, a large polyploid vegetative nucleus - the macronucleus and a small, diploid non-transcribed micronucleus, active only during conjugation.

Difficulty Level:

  • 19%
  • 51%
  • 18%
  • 14%
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