Strategies For Enhancement In Food Production Question 137
Pyrethroids are a class of
Options:
A) Synthetic origin is a term used to describe something that is man-made or artificially created, as opposed to natural or organic.
B) Plant origination
C) a and b both are correct
D) Animal origin
Show Answer
Answer:
Correct Answer: B
Solution:
They are synthetic derivatives of pyrethrum having broad spectrum effect, pyrethrum is naturally obtained from inflorescence of chrysanthemum species like C.
marshalli, C.
cinerarifolium and C. cinerarifolium
Coccineum.
 BETA
  BETA 
             
             
           
           
           
          