Strategies For Enhancement In Food Production Question 137
Question: Pyrethoids are of
Options:
A) Synthetic origin
B) Plant origin
C) a and b both
D) Animal origin
Show Answer
Answer:
Correct Answer: B
Solution:
They are synthetic derivatives of pyrethrum having broad spectrum effect, pyrethrum is naturally got from inflorescence of chrysanthemum species like C.
marshalli, C.
cinerarifolium and C.
Coccineum.
BETA
