NEET Solved Paper 2017 Question 23

Question: 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?

Options:

A) Nostoc

B) Bacillus

C) Pseudomonas

D) Mycoplasma

Show Answer

Answer:

Correct Answer: D

Solution:

  • Mycoplasmas are smallest, wall-less prokaryotes, pleomorphic in nature. These are pathogenic on both plants and animals.