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(A): Sexually reproducing organisms begi...

(A): Sexually reproducing organisms begin life as a single cell.
(R) : Zygote is a vital link that ensures continuity of species.

A

If both (A) and (R) are true and (R ) is the correct explanation of (A)

B

If both (A) and (R) are true but (R ) is not the correct explanation of (A)

C

If (A) is true but (R) is true

D

If both (A) and (R) are false.

Text Solution

Verified by Experts

The correct Answer is:
b
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Knowledge Check

  • Zygote in sexually reproducing organisms

    A
    is a vital link ensuring continuity of species from one generation to the other
    B
    it undergoes mitosis in organisms with haplontic life cycle to form embryo
    C
    it is the first cell of gametophytic phase
    D
    it is the last cell of sporophytic phase

  • Every sexually reproducing organism, including human beings, begin life as a single cell called.

    A
    Gamete formation
    B
    Spore
    C
    Embryo
    D
    Zygote.

  • Assertion (A): Reproduction in living organisms essential. Reason (R): Reproduction is essential for the continuation of species

    A
    A is correct and R is the correct explanation of A.
    B
    A is correct and R is not the correct explanation of B
    C
    A is correct and R is wrong.
    D
    A is wrong and R is correct.

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    The life process which does not help the organism to remain alive, but helps to maintain the continuity of the species is

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    Which of the following featurs cannot be shown by structure which is vital link between be two generation ensuring continuity of species ? (a) Thick walled (b) Multicelled (c ) One set of chromosomes (d) Meiocyte (e) Resting structure

    A: Zygote is the first cell of the new ganeration in all sexually reproducing organisms. R: Cell division and cell differenttiation are the stages of embryogenesis. R: Cell division and cell differentiation are the stages of embrygenesis.

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