Question

According to one vital theory, ascent of sap is due to active pulsation of innermost layer of cortex. This theory was given by

• A. J.C. Bose
• B. Dixon
• C. Strasburger
• D. Sacks

Answer 1

Answer: (A)

J.C. Bose

Sir J. C. Bose showed that cells of the innermost layer of the cortex were pulsating i.e., expanding and contracting alternately; however, it was later proved that there is no relationship between pulsatory activity and ascent of sap.