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प्रश्न
Give one example of mutualism.
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उत्तर
Example 1: Humans require oxygen for life, and plants use carbon dioxide for photosynthesis. Here, both humans and plants benefit mutually. Humans use the oxygen given by the plants. In return, plants use carbon dioxide, which Humans exhale.
Example 2: Lichen is a mutualistic relationship between a fungus and algae. Algae provide food to fungi obtained from photosynthesis. The fungus provides anchoring and protection to the algae.
संबंधित प्रश्न
What is mutualism?
Explain mutualism with the help of any two examples.
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?
Define the following term:
Commensalism
Mention any two examples where the organisms involved are commercially exploited in agriculture.
Name and explain the interaction that is seen between clownfish and sea anemones.
Select the statement which explains the best parasitism.
Define the following term:
Camouflage
In Logistic growth curve lag phase shows______.
The interaction in nature, where one gets to benefit on the expense of other is _________.
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 |
Which principle/theory states that 'Two closely related species competing for the same resources cannot co-exist indefinitely and the competitively inferior will be eliminated eventually.'?
The interspecific interaction between Cuckoo and Crow is ______
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 ____________.
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 |
Lichens showing relationship between alga and fungus is an example of ____________ type of interaction.
Which one of the following is NOT an example of mutualism?
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.
With the decline in the population of fig species it was noticed that the population of wasp species also started to decline. What is the relationship between the two and what could be the possible reason for decline of wasps?
Mycorrhizae are the example of ______.
Which of the following is not an example of commensalism?
In spite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?
Amensalism can be represented as ______
Amensalism is an association between two species where ______.
Which of the following is a partial root parasite?
Define ectoparasite and endoparasite and give suitable examples.
Give one example for the following type.
Predator animal
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) |
Give one example for the following:
A parasitic angiosperm
Name any two categories of organisms that in general are adversely affected by competition.
The interaction between cattle egret and the buffalo is ______.
The value of 'Z' (regression coefficient) lies in the range of ______ regardless of the taxonomic group or the region.
A Tight one-to-one relationship between many species of fig tree and certain wasps is an example of ______.
"Abingdon tortoise in Galapagos islands became extinct within a decade on introduction of goats in the island." Explain giving reason.
