Amoeba and yeast reproduce asexually by fission and budding respectively, because they are

A few statements with regard to sexual reproduction are given below

I. Sexual reproduction does not always require two individuals.

II. Sexual reproduction generally involves gametic fusion.

III. Meiosis never occurs during sexual reproduction.

IV. External fertilisation is a rule during sexual reproduction.

Choose the correct statements from the options below.

A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has

The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively

Given below are a few statements related to external fertilisation.

I. The male and female gametes are formed and released simultaneously.

II. Only a few gametes are released into the medium.

III. Water is the medium in a majority of organisms exhibiting external fertilisation.

IV. Offspring formed as a result of external fertilisation have better chances of survival than those formed inside an organism.

Choose the correct statements.