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प्रश्न
What is mycorrhiza?
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उत्तर
Mycorhiza is a symbiotic association between a fungus and the roots of higher plants.
संबंधित प्रश्न
Apart from being a part of the food chain, predators play other important roles. Mention any two such roles supported by examples.
Describe the mutual relationship between fig tree and wasp and comment on the phenomenon that operates in their relationship.
Competition and Mutualism.
Select the statement which explains the best parasitism.
Distinguish between the following: Parasitism and Mutualism.
The number of deaths under ideal conditions is known as ______.
What is population ecology?
What is Mortality? What are its two types?
Define Niche.
Define mutualism.
The interaction in nature, where one gets to benefit on the expense of other is _________.
Tabulate and analysis of two species population interaction.
Define the following term:
Parasitism
Using '-' to depict inhibition and '+' to depict benefit, mutualism between two species can be represented as ____________.
Identify the correct pair that exhibits commensalism.
In the given picture, identify the type of interspecific interaction.
Cattle egrets always foraging close to the grazing cattle is an example of ____________.
Which one of the following is an example of predation?
______ in birds is an interesting example of parasitism in which the parasitic bird lays its eggs in the nest of its host and the host incubates them.
Which of the following is not an example of commensalism?
What is commensalism?
What is homeostasis?
What are the organisms that feed on plant sap and other plant parts called?
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.
"Cattle and goats do not browse the Calotropis plant." Justify the statement giving reasons.
Mention the scientific name of protozoan parasite that causes Amoebiasis.
The diagram given below shows the life cycle of a malarial parasite. Study it carefully and answer the questions that follows:
- Name the hosts in which the asexual phase and sexual phase of the life cycle takes place.
- Identify the infective stage labelled ‘D’.
- Name the structure labelled ‘A’ and ‘E’.
- Give any one symptom of malaria.
Statement I: Gause’s competitive exclusion principle states that two closely related species competing for different resources cannot exist indefinitely.
Statement II: According to Gause’s principle, during competition, the inferior will be eliminated. This may be true if resources are limiting.
In the light of the above statements, choose the correct answer from the options given below:
