Which of the following is the best source of protein for a vegetarian person in India?

Nutrition involving the engulfment of the whole or part of a plant or an animal in a solid or liquid state is known as:

Which group of three of the following five statements $(1-5)$ contains all three correct statements regarding beri-beri?
$1.$ $A$ crippling disease prevalent among the native population of sub-Saharan Africa.
$2.$ $A$ deficiency disease caused by lack of thiamine (vitamin $B_1$).
$3.$ $A$ nutritional disorder in infants and young children when the diet is persistently deficient in essential protein.
$4.$ Occurs in those countries where the staple diet is polished rice.
$5.$ The symptoms are pain from neuritis,paralysis,muscle wasting,progressive oedema,mental deterioration,and finally heart failure.

The earliest known vitamin is:

$A$ man is said to be starving when

Which one of the following pairs is not correctly matched?