Man and Biology

Disease and pest resistant varieties have been evolved by ________. __________ is the production of silk by the activity of worm known as silk worms. Domesticating the honeybee for the honey production is known as __________. A large number of organism damage useful plants and animals, which are called __________. Substances, whose presence in air, water or soil is harmful to living thing and soil, are termed as __________.

ISSB Test

ISSB Tests