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Solution


Q.

Which one of the following cell organelles is enclosed by a single membrane          [2016]
1 Lysosomes    
2 Nuclei  
3 Mitochondria   
4 Chloroplasts  

Ans.

(1)

Lysosomes are small vesicles bounded by a single membrane and contain hydrolytic enzymes. Nucleus, mitochondria and chloroplasts are double membrane bound cell organelles.