Food is obtained from every part of the plant. Therefore, this option is correct.

Chief source of sugar in the world is beta vulagaris.

The styles and stigmas of the crocus are used in medicines as well as spices.

Reserpine meant for curing mental disorders and reducing blood pressure is obtained from the roots of rauwolfia.

Mesocarp is the botanical term for the succulent and fleshy middle layer of the pericarp of a fruit.

Triticale is the first man-made hybrid. Therefore, this option is correct.

Eicchornia plant has been recommended as raw material for biogas production in India.

A commercial fibre of epidermal origin is cotton.

Morphine is extracted from the capsule of papaver somniferum.

Poorva is a hybrid variety of wheat, not rice. Hence, this option is correct.

A monocot which yields commercially important fibre is cocos.

Edible part of cauliflower is inflorescence.

Atropine, a drug for dilating the pupil of the eye is obtained from atropa belladona.

A good cardiac drug of plant origin is Digitalin.

Major crops of food value belong to the family graminae.