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Question

Biology Question on Kingdom Plant

In Ulothrix meiosis takes place in

A

Cells of the filament

B

Holdfast

C

Zygote

D

Zoospores

Answer

Zygote

Explanation

Solution

The main plant body of Ulothrix (a green algae) is haploid (unicell). It produces male and female gametes, union between male and female gametes results a diploid structure, called the zygote. Zygote is only a diploid stage found in the life cycle of Ulothrix. First division in zygote is of meiotic type and it produces four haploid meiozoospores. Which under favourable condition increases their size and become young Ulothrix.