Question

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Ques. Describe the different types of Asexual Reproduction exhibited by unicellular organisms.


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Answer 1

1⭐. Cell division is itself a mode of asexual reproduction in unicellular organisms of many Monerans and Protists

2⭐. Unicellular organisms reproduce by binary fission, where the cell divides into two halves and each of them grows rapidly into an adult cell example Amoeba and Paramecium

3⭐. In yeast, the cell division is unequal and results in a large cell and a small cell called bud which remains attached to the large cell, the bud gets separated and grows into an adult yeast

4⭐. Sporulation is the phenomenon employed by Amoeba under unfavourable conditions, when the cell withdraws its pseudopodia and secrete a three layered hard covering called cyst.

5⭐. When conditions become favourable, the encysted Amoeba divides by Multiple Fission and produce a number of pseudopodiaspores which become liberated by the rupture of the cyst, each of them grows into an adult cell of amoeba.

6⭐. Unicellular algae like chlamydomonas form zoospores are thin-walled microscopic motile structures with flagella under favourable conditions, each of them grows into an adult cell.

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