Advertisements
Advertisements
Questions
Give one example of parasitism.
Give two examples in the case of parasitism.
Advertisements
Solution
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.
RELATED QUESTIONS
Which day is observed as ‘World Environment Day’?
Explain mutualism with the help of any two examples.
Why do clown fish and sea anemone pair up? What is this relationship called?
Mention any two examples where the organisms involved are commercially exploited in agriculture.
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.
Association between sea anemone and Hermit crab in gastropod shell is that of.
Select the statement which explains the best parasitism.
Name the type of association: Hummingbirds and host flowering plants
Define population.
Enlist and explain the important characteristics of a population.
Community is defined as ______.
What is population interaction? Explain the interactions in Mutualism and Competition.
Predation and parasitism are which type of interactions?
Identify the interspecific interaction in which species A is harmed and species B is unaffected.
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 ____________.
Type of interspecific interaction wherein one organism is benefited and other is harmed is called ____________.
Parasitism can be conectly represented as ____________.
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 |
Identify the type of negative interaction.
Which one of the following is NOT an example of commensalism?
Which one of the following is NOT an example of mutualism?
Mycorrhizae are the example of ______.
Lichens are association of ______.
Which of the following is a partial root parasite?
What is commensalism?
In a pond, we see plants which are free-floating; rooted–submerged; rooted emergent; rooted with floating leaves; Write the type of plant against the following examples.
| Plant Name | Type | |
| a. | Hydrilla | ______ |
| b. | Typha | ______ |
| c. | Nymphaea | ______ |
| d. | Lemna | ______ |
| e. | Vallisneria | ______ |
Give one example for the following type.
Biological control agent
Give one example for the following type.
Phytophagous animal
Discuss the various types of positive interactions between species.
Name any two categories of organisms that in general are adversely affected by competition.
A Tight one-to-one relationship between many species of fig tree and certain wasps is an example of ______.
Interaction between clown fish living among the stinging tentacles of sea anemone is an example of ______.
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 |
What are the special adaptations that endoparasites show?
Describe mutualism.



