Simplest and smallest form of plant life, present in air, water and soil; essential to life but may cause disease
A. Virus
B. Amoeba
C. Bacteria
D. Toxin
Answer: Option C
Solution(By Examveda Team)
One word substitute is Bacteria.Virus: an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
Amoeba: a single-celled animal that catches food and moves about by extending fingerlike projections of protoplasm.
Bacteria: a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some which can cause disease.
Toxin: a poison of plant or animal origin, especially one produced by or derived from microorganisms and acting as an antigen in the body.
Related Questions on One Word Substitution
A person who renounces the world and practices self-discipline in order to attain salvation:
A. Sceptic
B. Ascetic
C. Devotee
D. Antiquarian
Commencement of words with the same letter:
A. Pun
B. Alliteration
C. Transferred epithet
D. Oxymoron
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