Question

Match the following:

Column 1	Column 2
Rhizobium	Antibiotic
Lactobacillus	Soil fertility
Penicillium	Vaccine
Rabies	Curdling

Answer 1

(A) Rhizobium (II) Soil fertility

1. Rhizobium is the bacteria present in the root nodule of the leguminous plant.
2. It can trap the atmospheric nitrogen into the soil increasing the soil fertility for the plant to grow in a nitrogen-rich soil.

(B) Lactobacillus (IV) Curdling

1. Lactobacillus is the bacteria that can convert lactose from the milk to lactic acid.
2. Generation of lactic acid converts milk to curd by the process called curdling of milk.

(C) Penicillium (I) Antibiotic

1. Penicillium is a fungus that can produce the antibiotic penicillin.
2. Penicillin has the ability to control or kill the microorganisms.

(D) Rabies (III) Vaccine

1. Rabies vaccine is introduced to develop the immunity to rabies.
2. This can prevent future chances of getting infected by the rabies virus.

Column I	Column II
(A) Rhizobium	(II) Soil fertility
(B) Lactobacillus	(IV) Curdling
(C) Penicillium	(I) Antibiotic
(D) Rabies	(III) Vaccine