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MPSC State Service 2018 · GS · Question 44 of 99

According to Sir J. C. Bose, an Indian scientist, ascent of sap takes place due to the of living cells of the innermost cortical layer.

Biology

  1. Apulsatory activityCorrect
  2. Btranspiration pull theory
  3. Ccohesion theory
  4. Droot pressure theory

Answer: A. pulsatory activity

Explanation

J. C. Bose attributed the ascent of sap to the pulsatory activity of living cells of the innermost cortical layer.

Source: MPSC Rajyaseva Prelims 2018 GS Paper I (official paper)

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