Home
Class 12
BIOLOGY
Life begin in all sexually reproducing o...

Life begin in all sexually reproducing organisms as a

A

single-celled zygote

B

double-celled zygote

C

haploid zygote

D

haploid gametes.

Text Solution

Verified by Experts

The correct Answer is:
a
Every sexually reproducing organism, including human being begin life as a signel called zygote.
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion : Isogametes are formed in majority of sexually reproducing organisms. Reason : Morphologically distinct type of gametes are called isogametes.

Heterosis cannot be maintained in sexually reproducing plants as it disappears on

In Ulothrix, sexual reproduction is by

Spirogyra is a sexually reproducing alga in which vegetative thallus is haploid. In Spirogyra, meiosis

Which of the following statements, support the view that elaborate sexual reproductive process appeared much later in the organic evolution ? (i) Lower groups of organisms have simpler body design. (ii) Asexual reproduction is common in lower groups. (iii) Asexual reproduction is common in higher groups of organisms. (iv) The high incidence of sexual reproduction in angiosperms and vertebrates. Choose the correct answer given below.

Which group lacks sexual reproduction ?

Sexual reproduction in fungi occurs by

Fill in the blanks: Modified shoot for sexual reproduction in angiosperms is ____________.

During the life cycle of Plasmodium, sexual reproduction takes place in which of the following hosts ?

Sexual reproduction in fungi is carried out by the fusion of compatible nuclei from two parents at a definite stage in the life cycle. Identify the different types of sexual reproduction occurring in fungi from the given figures and select the correct option