One of the major difficulties in the biological control of insect pests is that
One of the major difficulties in the biological control of insect pests is that
- [AIPMT 1995]
- A
The predator develops a preference to other diets and may itself become a pest
- B
The predator does not always survive when transferred to a new environment
- C
The method is less effective as compared with the use of insecticides
- D
The practical difficulty of introducing the predator to specific areas
Similar Questions
Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct relation with those trees. Discuss the type of association the lianas have with the trees.
Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct relation with those trees. Discuss the type of association the lianas have with the trees.
Gause’s principle of competitive exclusion states that
Gause’s principle of competitive exclusion states that
- [NEET 2016]
Examples of chemicals produced by plants as a defense against grazers and browsers
$I.$ Nicotine
$II.$ Caffeine
$III.$ Quinine
$IV.$ Strychnine
$V.$ Opium
Choose the correct combination
Examples of chemicals produced by plants as a defense against grazers and browsers
$I.$ Nicotine
$II.$ Caffeine
$III.$ Quinine
$IV.$ Strychnine
$V.$ Opium
Choose the correct combination
Choose incorrect pair.
Choose incorrect pair.
To avoid the competive exclusion principle two similar species live in same area, they may evolve to become more different in order to
To avoid the competive exclusion principle two similar species live in same area, they may evolve to become more different in order to