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Organisms and Populations · Question 89

AIPMT 2002MCQEasy📈 Topic in 100% papers+4−1
1

Cause of mimicry is -

  1. offence
  2. concealment
  3. defence
  4. both (2) and (3)

Answer

(4) both (2) and (3)

Solution

Mimicry: resemblance of one organism to another organism or to an object of its surroundings.

As per NCERT, prey species have evolved various defences against predation, e.g., camouflage (cryptic colouration) to escape detection, and the Monarch butterfly is distasteful to its predator.

⇒ By mimicry an organism hides itself (concealment) and protects itself from its enemies (defence).

∴ Mimicry is for both concealment and defence.

Answer: (4)

AIPMT 2002

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2

Which type of association is found in between entomophilous flower and pollinating agent ?

  1. Cooperation
  2. Co-evolution
  3. Mutualism
  4. Commensalism
AIPMT 2002
3

Two different species can not live for long duration in the same niche or habitat. This law is : -

  1. Dollo's rule
  2. Weismann's theory
  3. Allen's law
  4. Gause's hypothesis
AIPMT 2002

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