What Are Gaseous Cycles

Q.

The process of converting nitrate to nitrogen gas and nitrous oxide is called

1. Ammonification

2. Denitrification

3. Eutrophication

4. Nitrogen fixation

Q. Which of the following is gaseous cycle?
(1) Sulphur cycle
(2) Carbon cycle
(3) Phosphorous cycle
(4) Nitrogen cycle

1. 1
2. 1, 2
3. 2, 4
4. 1, 3, 4

Q.

What type of organism carries out nitrogen fixation?

1. Bacteria

2. Protists

3. Fungi

4. All of these

Q. The reservoir for the gaseous type of biogeochemical cycle exists in

1. Ionosphere
2. Lithosphere
3. Stratosphere
4. Atmosphere

Q. Which of the following is gaseous cycle?
(1) Sulphur cycle
(2) Carbon cycle
(3) Phosphorous cycle
(4) Nitrogen cycle

1. 1
2. 1, 2
3. 2, 4
4. 1, 3, 4

Q.

What type of organism carries out nitrogen fixation?

1. Bacteria

2. Protists

3. All of these

4. Fungi

Q. The reservoir for the gaseous type of biogeochemical cycle exists in

1. Atmosphere
2. Stratosphere
3. Ionosphere
4. Lithosphere

Q. The reservoir for the gaseous type of biogeochemical cycle exists in

1. Stratosphere
2. Atmosphere
3. Ionosphere
4. Lithosphere

Q.

What type of organism carries out nitrogen fixation?

1. Bacteria

2. Protists

3. Fungi

4. All of these

Q. The reservoir for the gaseous type of biogeochemical cycle exists in

1. Stratosphere
2. Atmosphere
3. Ionosphere
4. Lithosphere