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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2020 · Paper I, General Studies · Q93 of 120

Geo-Scientist Prelims 2020 General Studies Q93: Which of the following features are found in cells of meristematic…

QuestionBiology / plant tissues

Which of the following features are found in cells of meristematic tissues in plants?

  1. (a) Cells active with thick cellulose walls
  2. (b) Cells active with little cytoplasm and thin cellulose walls
  3. (c) Cells active with dense cytoplasm, thick cellulose walls, and no nuclei
  4. (d) Cell active with dense cytoplasm, thin cellulose walls and prominent nuclei

Answer: (d) Cell active with dense cytoplasm, thin cellulose walls and prominent nuclei

Meristematic cells: actively dividing, dense cytoplasm, thin cellulose walls, prominent nuclei, no vacuoles (or very small). Thick walls belong to permanent mechanical tissues.

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