Microorganisms friends and foe Worksheet-7
Multiple Choice Questions:
Microorganism are classifies under ______ group.
(A) One (B) Two (C) Three (D) Four
Viruses reproduce only inside the cells of the ______.
(A) Plants (B) Animals (C) Bacteria (D) Host
Which of the following disease is caused by virus?
(A) Polio (B) Tuberculosis
(C) Malaria (D) Dysentery
Which of the following disease is caused by bacteria?
(A) Dysentery (B) AIDS (C) Typhoid (D) Malaria
Which of the following disease is caused by protozoan?
(A) Dysentery (B) Cholera
(C) Food poisoning (D) Tuberculosis
In agriculture, _____ are used to increase soil fertility by fixing nitrogen.
(A) Virus (B) Protozoan (C) Bacteria (D) Fungi
______ promotes the formation of curd.
(A) Rhizobium (B) Lactobacillus
(C) Chlorella (D) All
Which of the following microorganisms can be multi-cellular?
(A) Protozoan (B) Virus (C) Fungi (D) Bacteria
______ is used for commercial production of alcohol and wine.
(A) Yeast (B) Rhizobium (C) HIV (D) Amoeba
Process of conversion of sugar into alcohol is known as ______.
(A) Nitrogen fixation (B) Fermentation
(C) Curdling of milk (D) Pasteurization