Question
For two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.
  1. Both assertion and reason are true, and reason is the correct explanation of assertion.
  2. Both assertion and reason are true, but reason is not the correct explanation of assertion.
  3. Assertion is true, but reason is false.
  4. Both assertion and reason are false.
Assertion: Pollen grains of many insect pollinated species are sticky.
Reason: In the anemophilous flower, the pollen grains are powdery and non-sticky.

Answer

  1. Both assertion and reason are true, but reason is not the correct explanation of assertion.

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Similar questions

For question two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.
  1. Both assertion and reason are true and reason is the correct explanation of assertion.
  2. Both assertion and reason are true but reason is not the correct explanation of assertion.
  3. Assertion is true but reason is false.
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Assertion: The rate of extinction of organisms have increased in recent years.
Reason: Human activities like deforestation, industrialisation, etc., have destroyed the natural habitat of plants and animals.
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Reason: Tranquillizers are antipsychosis drugs.
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Assertion: Sponge and Delfin are chemical methods of contraception.
Reason: Diaphragms and cervical caps are disposable barrier method of contraception.
For two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.
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Assertion: In blastulation, cell masses show morphogenetic movements.
Reason: A three layered blastocyst is fanned during blastulation.
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Assertion: In GIFT, fertilisation takes place in vivo.
Reason: The results of GIFT are less better than in vitro fertilisation.
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Assertion: Vitamins B2 is found in cereals, green vegetables, brewer's yeast, egg white, milk and liver.
Reason: Vitamins B2 can be commercially produced by some yeasts.
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Assertion : Smack is a by-product of heroin synthesis.
Reason: Heroin is an opium alkaloid.
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  1. Both assertion and reason are true, and reason is the correct explanation of assertion.
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Assertion : It is considered advantageous to give the polio vaccine orally.
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Assertion: Maximum biodiversity occurs in temperate areas.
Reason: Temperate areas have favourable conditions for speciation and for supporting variety and number of organisms.
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Assertion: Mutations are discontinuous variations.
Reason: Mutations occur suddenly.