Organisms And Population Question 156
Question: Plants have developed various means of protecting themselves from predators. One of the methods is by producing toxic chemicals. Identify such chemicals from the list given below.
(i) Nicotine (ii) Caffeine (iii) Quinine (iv) Strychnine (v) Opium
Options:
A) Only (i)
B) (i), (ii), (iii) and (iv)
C) (i), (ii) and (iii)
D) All of the above
Show Answer
Answer:
Correct Answer: D
Solution:
[d] A wide variety of chemical substances that we extract from plants on a commercial scale (nicotine, caffeine, quinine, strychnine, opium etc); are actually produced by them as defence against grazers and browers.
BETA
