हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Select the statement which explains best parasitism. (a) One organism is benefited. (b) Both the organisms are benefited. (c) One organism is benefited, other is not affected.

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प्रश्न

Select the statement which explains best parasitism.

विकल्प

  • One organism is benefited.

  • Both the organisms are benefited.

  • One organism is benefited, other is not affected.

  • One organism is benefited, other is affected.

MCQ
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उत्तर

One organism is benefited, other is affected.

Explanation:

Parasitism is an interaction between two species in which one species (parasite) derives benefit while the other species (host) is harmed. For example, lice (parasites) on the human body and ticks on dogs represent this interaction, where the parasites receive benefits. On the other hand, these parasites reduce host fitness and harm the human body.

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अध्याय 15: Organisms and Populations - NCERT EXERCISES [पृष्ठ ६१६]

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नूतन Biology [English] Class 12 ISC
अध्याय 15 Organisms and Populations
NCERT EXERCISES | Q 14. | पृष्ठ ६१६
एनसीईआरटी Biology [English] Class 12
अध्याय 11 Organisms and Populations
EXERCISES | Q 9. | पृष्ठ २०४

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

During .............. typs of interaction, both organisms are benefited

  1. mutualism
  2. competition
  3. commensalism
  4. parasitism

Define population.


With the help of a suitable diagram, describe the logistic population growth curve.


The number of deaths under ideal conditions is known as ______.


Define mutualism.


Competition between species leads to ________.


Define the following term:

Parasitism


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.'?


Identify the correct pair that exhibits commensalism.


Identify the interspecific interaction depicted in the following figure.


Select the CORRECT match:

  I   II
i. Competition a. Lichen
ii. Commensalism b. Sea anemone and clownfish
iii. Mutualism c. Lions and Leopards

Which of the following is TRUE for amensalism?


Which of the following is NOT an example of mutualism?


Lichens showing relationship between alga and fungus is an example of ____________ type of interaction.


Musk deer is an example of ______ 


Amensalism can be represented as ______


Lichens are association of ______.


What are the organisms that feed on plant sap and other plant parts called?


Give one example for the following type.

Chemical defense agent


Give one example for the following:

An organism which can conform


Name any two categories of organisms that in general are adversely affected by competition.


Between which among the following, the relationship is not an example of

?


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 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 ______.


Write a note on parasitism.


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:

  1. Name the hosts in which the asexual phase and sexual phase of the life cycle takes place.
  2. Identify the infective stage labelled ‘D’.
  3. Name the structure labelled ‘A’ and ‘E’.
  4. Give any one symptom of malaria.

Describe mutualism. 


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