1: The process of conversion of sugar into alcohol is known as…
(a) Budding
(b) Fusion
(c) Fermentation
(d) Fixation
1: (c)
2: What does our body produces to fight the invader when a disease-carrying microbe enters our body?
(a) Antigens
(b) Antibodies
(c) Pathogens
(d) Antibiotics
2: (b)
3: Who discovered Fermentation?
(a) Edward Jenner
(b) Alexander Fleming
(c) Louis Pasteur
(d) Selman Waksman
3: (c)
4: Which of the following is not a communicable disease?
(a) Cholera
(b) Chicken pox
(c) Tuberculosis
(d) Malaria
4: (d)
5: Chicken Pox is caused by
(a) Virus
(b) Bacteria
(c) Fungus
(d) Protozoa
5: (a)
6: The common chemicals generally used to check the growth of microorganisms are known as…
(a) Antibiotics
(b) Preservatives
(c) Antigens
(d) Pathogens
6: (b)
7: The microorganisms that cause diseases in human beings, plants and animals are called ____
(a) Carriers
(b) Spirogyra
(c) Pathogens
(d) Antibodies
7: (c)
8: Who discovered the vaccine for small pox?
(a) Louis Pasteur
(b) Alexander Fleming
(c) Joseph Lister
(d) Edward Jenner
8: (d)
9: Which of the following microorganism promotes the formation of curd?
(a) Lactobacillus
(b) Amoeba
(c) Spiral bacteria
(d) Spirogyra
9: (a)
10: Which of the following bacteria is involved in the fixation of nitrogen in leguminous plants?
(a) Rod-shaped bacteria
(b) Spiral bacteria
(c) Rhizobium
(d) Spherical bacteria
10: (c)
