Advertisements
Advertisements
Question
What is the ecological principle behind the biological control method of managing with pest insects?
Advertisements
Solution
- Biological pest control is primarily reliant on predator-prey relationships.
- Baculoviruses (mainly of the Nucleopolyhedrovirus genus) effectively control various insects and arthropods.
- Beetles (such as the Coccinella or ladybird beetle) control aphids and other pests.
- Gambusia, a fish, is introduced into ponds to control mosquito larval proliferation.
- Biological control strategies used in agricultural pest control rely on the predator’s capacity to regulate its prey.
APPEARS IN
RELATED QUESTIONS
Define the following term:
Commensalism
How is mutualism different from commensalism?
Association between sea anemone and Hermit crab in gastropod shell is that of.
Give one example of Interspecific competition.
Name important defense mechanisms in plants against herbivores.
Define Community.
In Logistic growth curve lag phase shows______.
What is Mortality? What are its two types?
The correct description for the interspecific interaction shown in the given figure is ______
Identify the interspecific interaction which one species is benefited and other is neither banned nor benefited.
Match the Columns.
| Column A | Column B | ||
| i. | Lice on humans | a. | Endoparasites |
| ii. | Ectoparasites on marine fishes | b. | Grows on hedge plants |
| iii. | Cuscuta | c. | Ectoparasites |
| iv. | Plasmodium and humans | d. | Copepods |
Which of the following is NOT an example of mutualism?
Which one of the following is NOT an example of mutualism?
Exarch xylem is found in:
Amensalism can be represented as ______
A population has more young individuals compared to the older individuals. What would be the status of the population after some years?
Amensalism is an association between two species where ______.
Which of the following is a partial root parasite?
Define stenohaline species.
What is the interaction between two species called?
What is commensalism?
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.
Give one example for the following type.
Predator animal
Name any two categories of organisms that in general are adversely affected by competition.
Complete the following chart regarding population interaction and re-write:
| Sr. No. | Name of interaction | Interaction between |
| 1. | ? | Plasmodium and Man |
| 2. | ? | Leopard and Lion |
| 3. | ? | Clownfish and Sea-anemone |
Interspecific interaction could be ______.
A bird laying its egg in the nest of another bird is the type of ______.
A Tight one-to-one relationship between many species of fig tree and certain wasps is an example of ______.
