Strategies For Enhancement In Food Production Question 337
Question: Cochineal insect has been used in checking the wild growth of [CBSE PMT 1996]
Options:
A) Opuntia
B) Eichhornia
C) Aphids
D) Screw worm
Show Answer
Answer:
Correct Answer: A
Solution:
In India and Australia, prodigious spread of prickly pear (opuntia) was controlled by introduction of cochineal insects (Cactoblastis cactorum).