question_answer

                                                                                      Differentiate between the following.

(i) Zoospore and zygote

(ii) Homothallic and heterothallic

Answer:

(i) Differences between zoospore and zygote are as follows

Zoospore	Zygote
It is a haploid cell and is motile in nature.	It is a diploid cell and is non-motile in nature.
It is usually formed during asexual reproduction in lower plants and fungi.	It is usually formed due to fusion of male and female gametes in sexual reproduction.

(ii) Differences between homothallic and heterothallic are as follows

Homothallic	Heterothallic
It is a condition in which male and female reproductive structures are present on the same plant,	It is a condition in which male and female reproductive structures are present on separate plants.
These are self-fertile, e.g. Chara.	These are not self-fertile, e.g. Marchantia.