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प्रश्न
Give one example of parasitism.
Give two examples in the case of parasitism.
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उत्तर
Plasmodium, a protozoan parasite, causes malaria in humans by living inside red blood cells and damaging the host.
Notes
Students should refer to the answer according to the question.
संबंधित प्रश्न
During .............. typs of interaction, both organisms are benefited
- mutualism
- competition
- commensalism
- parasitism
Give the role of VAM related to soil fertility.
Why do clown fish and sea anemone pair up? What is this relationship called?
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?
What is the ecological principle behind the biological control method of managing with pest insects?
Select the statement which explains best parasitism.
- One organism is benefited
- Both the organisms arc benefited
- One organ is benefitted, other is affected.
- One organism is benefited, other is affected
Answer the following question.
Mention the term used to describe a population interaction between an orchid growing on a forest tree.
Name the type of association: Hummingbirds and host flowering plants
With the help of a suitable diagram, describe the logistic population growth curve.
Define the following term:
Parasitism
Two species competing for the same resources, avoid competition by choosing different times for feeding, also known as ______
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
Brood parasitism is best explained by the example of ____________.
Select the CORRECT match:
| I | II | ||
| i. | Competition | a. | Lichen |
| ii. | Commensalism | b. | Sea anemone and clownfish |
| iii. | Mutualism | c. | Lions and Leopards |
Parasitism can be conectly represented as ____________.
Identify the type of negative interaction.
A protozoan living in the digestive tract of a flea that lives on a dog is an example of ______
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?
Rafflesia an arnoldii is an example of ______.
Which of the following is not an example of commensalism?
An interaction favourable to both population but no obligatory to either is ______.
Amensalism is an association between two species where ______.
What is mycorrhiza?
What is brood parasitism? Explain with the help of an example.
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.
Give one example for the following type.
Chemical defense agent
Discuss the various types of positive interactions between species.
Write the observations made at the end of Connell's field, experiment on barnacles on the rocky sea coasts of Scotland.
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 |
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 ______.
A bird laying its egg in the nest of another bird is the type of ______.
"Cattle and goats do not browse the Calotropis plant." Justify the statement giving reasons.
Many copepods live on the body surface of marine fish. This relationship is an example of ______.
Some orchids live on the branches of mango trees. Name the type of interaction that exists between the mango tree and the orchid.
What happens to an inferior competitor if a superior competitor is present in the same environment?
Give one example of commensalism.
