Plant Growth And Development Question 163

Question: Ethylene is a [MP PMT 1987; BHU 1987, 94; Bihar MDAT 1995; RPMT 1990, 99; BVP 2000; Pb. PMT 2004; HP PMT 2005]

Options:

A) Gaseous hormone

B) Gaseous enzyme

C) Liquid-gas mixture

D) Solid hormone

Show Answer

Answer:

Correct Answer: A

Solution:

Ethylene is gaseous hormone which stimulates transverse or isodiamteric growth but retards the longitudinal one.