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प्रश्न
What is mycorrhiza?
What are mycorrhizae?
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उत्तर
Mycorhiza is a symbiotic association between a fungus and the roots of higher plants.
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संबंधित प्रश्न
Which day is observed as ‘World Environment Day’?
Describe the mutual relationship between fig tree and wasp and comment on the phenomenon that operates in their relationship.
Name the two intermediate hosts which the human liver fluke depends on to complete its life cycle so as to facilitate parasitization of its primary host.
Name and explain the interaction that is seen between clownfish and sea anemones.
Name the type of association:
Clownfish and sea anemone
Define community.
Community is defined as ______.
In Logistic growth curve lag phase shows______.
Define Absolute Mortality.
What is Mortality? What are its two types?
Define the term population interactions. State its two types.
Predation and parasitism are which type of interactions?
Match the following and choose the correct combination from the options given below.
| Column I | Column II |
| Mutualism | Lion and deer |
| Commensalism | Round worm and man |
| Parasitism | Birds compete with squirrels for nuts |
| Competition | Sea anemone on hermit crab |
| Predation | Barnacles attached to Whales |
Identify the interspecific interaction in which species A is harmed and species B is unaffected.
Select the CORRECT match:
| I | II | ||
| i. | Competition | a. | Lichen |
| ii. | Commensalism | b. | Sea anemone and clownfish |
| iii. | Mutualism | c. | Lions and Leopards |
Type of interspecific interaction wherein one organism is benefited and other is harmed is called ____________.
In the given picture, identify the type of interspecific interaction.
______ interaction is the biological interaction between organisms of same population.
Substantiate by giving two reasons as to why a holistic understanding of the flora and fauna the cropland is required before introducing an appropriate biocontrol method.
______ 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?
Which type of interaction is represented by the given figure?
Amensalism is an association between two species where ______.
Define stenohaline species.
What is homeostasis?
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?
Give one example for the following type.
Chemical defense agent
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 Tight one-to-one relationship between many species of fig tree and certain wasps is an example of ______.
Many copepods live on the body surface of marine fish. This relationship is an example of ______.
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.
What happens to an inferior competitor if the superior competitor is removed from the environment?
Give one example of commensalism.
Which one of the following statement INCORRECT regarding competition?
Association between clown fish and sea anemone is ______.
Cuscuta growing on a host plant is an example of which population interaction?
In commensalism, how is the unaffected species impacted by the interaction?
What is the sign convention for amensalism?
