Rhizobium

Q.

Rhizobium bacteria help in nitrogen fixation, but they cannot make their own food.

1. False

2. True

Q. Which of the following nitrogen fixing bacteria exists in the roots of leguminous plants?

1. Azotobacter
2. Rhodospirillum
3. Clostridium
4. Rhizobium

Q. Which of the organisms listed below help in nitrogen fixation?

1. Rhizobium
2. Blue-green algae
3. Nitrosomonas
4. Trypanosoma

Q. Which of the following is involved in a symbiotic association with legumes?

1. Rhizobium
2. Azotobacter
3. Rhodospirillum
4. Clostridium

Q.

Rhizobium is a nitrogen fixing bacteria found in the roots of pulses and have a ___ relationship with them.

Q. Which among the following organisms can convert atmospheric nitrogen into a usable form?

1. Amoeba
2. Fungi
3. Rhizobium
4. Algae

Q.

Rhizobium converts atmospheric ______ into soluble nitrates.

1. oxygen

2. carbon dioxide

3. nitrogen

4. phosphorus

Q. Which of the following nitrogen fixing bacteria exists in the roots of leguminous plants?

1. Azotobacter
2. Rhodospirillum
3. Clostridium
4. Rhizobium

Q. Which of the organisms listed below help in nitrogen fixation?

1. Rhizobium
2. Blue-green algae
3. Nitrosomonas
4. Trypanosoma

Q.

Rhizobium is a nitrogen fixing bacteria found in the roots of pulses and have a ___ relationship with them.