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
(c) Nostoc
(b) Mycoplasma
(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.
