Advertisements
Advertisements
प्रश्न
In an association of two animal species, one is a termite which feeds on wood and the other is a protozoan Trichonympha present in the gut of the termite. What type of association they establish?
Advertisements
उत्तर
Termite and Trichonympha show mutualism a relationship in which both the organisms are benefited from each other. Trichonympha breaks down cellulose in the wood and thus helps the termite in the digestion of wood. Trichonympha also feeds on fragments of wood.
APPEARS IN
संबंधित प्रश्न
An orchid plant is growing on the branch of a mango tree. How do you describe this interaction between the orchid and the mango tree?
Select the statement which explains best parasitism.
Name the type of association: Hummingbirds and host flowering plants
Distinguish between the following: Parasitism and Mutualism.
Define community.
In Logistic growth curve lag phase shows______.
Explain any three important characteristics of population.
The relationship between sucker fish and shark is _________.
The presence or interference of one species leads to reduction in feeding efficiency of other species is termed as
Which type of interaction is represented by the given figure?
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 ______.
Give one example for the following type.
Chemical defense agent
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) |
Carnivorous animals-lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as ______.
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 |
Observe the graph given below.
|
The graph represents inter-specific interaction between two species of Paramecia competing for the same resource in a culture medium. Paramecium caudatum and Paramecium aurelia were grown in separate cultures as well as in mixed cultures. It was found that each species grew in numbers according to the logistic equation.
|
a) Which species is competitively superior? Support it with the data provided in the graph.
b) State the underlying principle for the above result and name the scientist associated with this principle.
c) Explain the mechanism in which two or more species competing with each other can co-exist.
OR
Graphs A and B shown below depict interaction of two species. Which graph indicates Mutualism? Give reason.
![]() |
![]() |
| A | B |
Some orchids live on the branches of mango trees. Name the type of interaction that exists between the mango tree and the orchid.
Give one example of commensalism.







