Biological Classification Question 15

15. Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

(a) Pseudomonas

(b) Mycoplasma

(c) Nostoc

(d) Bacillus

Show Answer

Answer : b

Hints & Solutions

(b) Mycoplasmas are smallest, prokaryotes lacking cell wall and are pleomorphic in nature. These are pathogenic to both plants and animals.



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