CBSE Class 12 Organisms and Populations Multiple Choice Questions with Answers. MCQ Questions Class 12 Organisms and Populations with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT MCQ questions Class 12 Organisms and Populations with Answers to know their preparation level.
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MCQ Questions Class 12 Organisms and Populations with Answers - Set - 1
Question 1:
Parasites that feed on the external surface of the host organism are called
(a) Ecto parasites
(b) Endo parasites
(c) Brood parasitism
(d) None of the above
Correct Answer – (A)
Question 2:
The interaction where one species is benefitted and the other is neither benefitted nor harmed is called
(a) Commensalism
(b) Amensalism
(c) Mutualism
(d) None of the above
Correct Answer – (A)
Question 3:
Both species lose in
(a) Mutualism
(b) Competition
(c) Parasitism
(d) Predation
Correct Answer – (B)
Question 4:
A stage of suspended development is called
(a) Diapause
(b) Suspend
(c) Migrate
(d) Aestivation
Correct Answer – (A)
Question 5:
Winter sleep is also called as
(a) Hibernation
(b) Suspend
(c) Migrate
(d) Aestivation
Correct Answer – (A)
MCQ Questions Class 12 Organisms and Populations With Answers
Question 6:
If one species is harmed whereas the other is unaffected is called
(a) Commensalism
(b) Amensalism
(c) Mutualism
(d) None of the above
Correct Answer – (A)
Question 7:
One species benefit in
(a) Parasitism
(b) Predation
(c) Mutualism
(d) Both (a) and (b)
Correct Answer – (D)
Question 8:
Both the species benefit in
(a) Parasitism
(b) Mutualism
(c) Competition
(d) Predation
Correct Answer – (B)
Question 9:
To avoid summer-related problems – heat and desiccation by organism is called
(a) Hibernation
(b) Suspend
(c) Migrate
(d) Aestivation
Correct Answer – (D)
Question 10:
The shifting of an organism temporarily from the stressful habitat to a more hospitable area and return when stressful period is over is called
(a) Suspend
(b) Migrate
(c) Hibernation
(d) Aestivation
Correct Answer – (B)
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