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.