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Rhizobium

Rhizobium bac...

Question

Rhizobium bacteria are found living symbiotically in which part of the plant?

A

Leaf

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B

Stem

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C

Root

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D

Flower

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Solution

The correct option is C Root

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Similar questions

Where is the Rhizobium bacteria found in leguminous plants?

Q.
Some bacteria live symbiotically inside root nodules of higher plants. The basic activity of these bacteria is associated with

Refer the given passage and answer the following questions

At present, the primary nutrient which limits the agricultural yield is nitrogen (N). Some plants are capable to produce more

N_{2}

than they consume. These plants show a symbiotic relationship with

N_{2}

-fixing bacteria such as Rhizobium. These bacteria produce root nodules in leguminous plants and convert atmospheric

N_{2}

into nitrogenous compounds. Rhizobium bacteria are gram-negative bacteria, which show host specificity and fix

N_{2}

in the presence of a red pigment called leghaemoglobin. It protects nitrogen-fixing enzyme nitrogenase from oxygen.

Read the given statements and select the correct answer.

Statement 1: Rhizobium bacteria can also live freely in the soil and carry out

N_{2}

-fixation by themselves.
Statement 2: Such Rhizobium bacteria are called free-living

N_{2}

-fixing bacteria.

Q. X is a bacteria that lives symbiotically in the roots of pea plants. Identify X.

Q. Assertion :Rhizobium lives in the root nodules of leguminous plants. Reason: It fixes nitrogen through a symbiotic relationship.

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