Advertisements
Advertisements
Question
Give one example for the following type.
Biological control agent
Advertisements
Solution
Biological control agent - Moth (against prickly pear cactus)
APPEARS IN
RELATED QUESTIONS
What is mutualism?
Apart from being a part of the food chain, predators play other important roles. Mention any two such roles supported by examples.
Define the following term:
Camouflage
Define Niche.
What is Commensalism? Explain it with a suitable example.
Statement I: If one or two species are lost, it may not affect proper functioning of ecosystem.
Statement II: Loss of key species causes serious threat to functioning of ecosystem. Choose the correct alternative with reference to the above statements
Which population interaction can be represented by'+''-'?
There are two optional ways of exploitation one way is parasitism. Which is the other one ______.
Amensalism can be represented as ______
Lichens are association of ______.
Define stenohaline species.
Define ectoparasite and endoparasite and give suitable examples.
What is brood parasitism? Explain with the help of an example.
Fill in the blanks
| Species A | Species B | Type of Interaction | Example |
| + | - | ______ | ______ |
| + | + | ______ | ______ |
| + | 0 | Commensalism | ______ |
Observe the set of 4 figures A, B, C and D and, answer the following questions
- Which one of the figures shows mutualism?
- What kind of association is shown in D?
- Name the organisms and the association in C.
- What role is the insect performing in B?
![]() Fig. (A) |
![]() Fig. (B) |
![]() Fig. (C) |
![]() Fig. (D) |
Match the Column I with Column II.
| Column I | Column II |
| A. Lichen | (i) Commensalism |
| B. Shark and Pilot fish | (ii) Mutualism |
| C. Barnacles on the back of a whale | (iii) Symbiotic obligatory relationship |
| D. Sharks and dolphins | (iv) 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 |
A bird laying its egg in the nest of another bird is the type of ______.
Interaction between clown fish living among the stinging tentacles of sea anemone is an example of ______.




