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Solution


Q.

In the list of organisms given below, those that reproduce by the asexual method are:

(i) banana   (ii) dog   (iii) yeast   (iv) Amoeba
1 (ii) and (iv)  
2 (i), (iii) and (iv)  
3 (i) and (iv)  
4 (ii), (iii) and (iv)  

Ans.

(2)

Asexual reproduction takes place without the process of gamete formation and only one parent is needed. Examples include Amoeba which reproduces by binary fission (division of cell into two similar cells).

Yeast reproduces by budding (small buds develop from body wall of parent that separate and grow further).

Banana reproduces by vegetative propagation (Vegetative parts of a plant such as root, stem, etc., can produce new plants).

In dog, sexual reproduction takes place (i.e., it involves two sexes — male and female whose gametes fuse constituting sexual reproduction).