Question

Climacteric fruit shows

• A. High respiration rate at ripening
• B. Sudden change in taste
• C. Sudden change in colour and shape
• D. None of the above

Answer 1

The correct option is A High respiration rate at ripening

Ethylene is a simple gaseous plant growth regulator (PGR). It is synthesised in large amounts by tissues undergoing senescence and ripening fruits. Ethylene promotes senescence and abscission of plant organs especially of leaves and flowers. Ethylene is highly effective in fruit ripening. It enhances the respiration rate during ripening of the fruits. This rise in rate of respiration is called as respiratory climacteric.

Thus, the correct answer is option A.