Improvement in ...

Colchicine is a chemical substance used to bring about which of the following processes artificially?

Organic farming is the technique of raising crops through the use of which of the following?

Which of the following statements is incorrect?

Capture fishery and culture fishery are the two types of fisheries. All of the following are the characteristics of capture fishery, except that

a. it is a method of obtaining fish from the natural resources
b. there is no seeding and raising of fish
c. it is undertaken mostly inland and near the seashore

The indigenous breeds of poultry are hardy and possess natural immunity against common diseases. Which of the following is not an indigenous breed of poultry?

Which of the following common diseases of cattle causes irritation, blisters and eruptions on the skin surface?

The levels of which of the following vitamins are kept high in poultry feed?

Given below are statements about the harmful effects of weeds on crop plants.

(i) They interfere in harvesting.
(ii) They help crop plants to grow in a healthy way.
(iii) They compete with crop plants for water, nutrients, space and light.
(iv) They affect plant growth.

Choose the correct statement(s).

What is the crossing between two species of the same genus called?