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Biology Test 32...

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  • Question 1
    4 / -1

    Assertion (A): Actinomorphic flowers can be divided into two equal halves in any radial plane passing through the centre.

    Reason (R): Actinomorphic flowers exhibit radial symmetry, which is advantageous for attracting a wide range of pollinators.

  • Question 2
    4 / -1

    Which of the following is not a characteristic of an ideal contraceptive?

  • Question 3
    4 / -1

    Which algae is known for its ability to survive in hot water springs?

  • Question 4
    4 / -1

    Select the mis-matched pair from the following:

  • Question 5
    4 / -1

    In which group of plants does the sporophyte not have a free-living stage?

  • Question 6
    4 / -1

    What is the role of gemmae in liverworts?

  • Question 7
    4 / -1

    Which of the following is a characteristic feature of the algae Chlorella?

  • Question 8
    4 / -1

    Administration of progestogens or estrogen–progestogen combinations within 72 hours of coitus is effective for _____.

  • Question 9
    4 / -1

    Which of the following features is unique to the phylum Arthropoda?

  • Question 10
    4 / -1

    Assertion (A): Pteridophytes require water for fertilization.

    Reason (R): The male gametes of pteridophytes are motile and need water to swim to the female gametes.

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