Ramu while observing the root nodules of pea plant he noticed the pink colour. Sita said that it is due to the noticed of a substance. Can you name the substance and write its role.

To find out the unknown genotype of a violet flowered pea plant a researcher done the following cross. Observe the diagram and answer the questions. (Hint: Violet flower colour in pea plant is dominant over white) Can you determine the unknown genotype of violet flowered parent by drawing Punnet square?

Observe the following diagram and answer the questions: (Hints:steps in making a cross in pea plant) Name the process marking as A and write its significance.

Ramu cultivated pea plants as an intercrop in his paddy field. After harvesting he allowed the roots of the pea plants to remain in the soil for some period. Do you think the action of Ramu is reasonable.