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Biology Test 93
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Biology Test 93

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  • Question 1/10
    4 / -1

    In angiosperms, both male and female gametes are non motile, they have to be brought together for fertilization to occur. By which process this is achieved ?

  • Question 2/10
    4 / -1

    The phenomenon in which embryo is directly developed from any cell of embryosac other than egg is called:-

  • Question 3/10
    4 / -1

    If a dwarf variety of pea plant is treated with G.A. hormone. It grow as tall as the tall pea plant. On selfing this plant the phenotypic ratio is likely to be :-

  • Question 4/10
    4 / -1

    In Morgan's experiment, what will be percentage of recombination in case of body colour and eye colour ?

  • Question 5/10
    4 / -1

    The point mutation A to G, C to T, C to G, T to A in DNA are :-

  • Question 6/10
    4 / -1

    A + G = C + T is applicable to :-

  • Question 7/10
    4 / -1

    Which of the following criteria should be fulfilled by a molecule to act as a genetic material ?

    (i) It should be able to replicate

    (ii) It should be structurally and chemically stable

    (iii) It should be able to undergo slow mutations.

    (iv) It should be able to express itself in the form of 'Mendelian character'.

  • Question 8/10
    4 / -1

    Which step is not correct in DNA finger printing–

  • Question 9/10
    4 / -1

    Pusa swarnim variety of Brassica is resistant to .......... disease :

  • Question 10/10
    4 / -1

    Somaclonal variations are :-

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