Question

State True or False.

(a) Conversion of nitrate ions into free nitrogen is performed by Nitrosomonas.

(b) Nitrogen fixation is carried out by Rhizobium present in soil.

(c) During lightening the nitrogen, oxygen and water in air combine to form nitrous acids which fall on land along with rain.

(d) Decomposers action on dead plants and animals to perform ammonification.​

Answer 1

Answer:

Some species of nitrogen-fixing bacteria are free-living in soil or water, while others are ... and the ammonia is converted into nitrites and nitrates.

Answer 2

Answer:

(a)-false

b)-true

c)-true

d)-true