political science major

Name of the Crop Name of Disease Symptoms Control Measure Rice Blast Brown boat-shaped lesions appear on the leaves Seed treatment with thiram solution in water. Spray bavistin at 10 days interval Wheat Rust Yellow, brown or black elongated spots appear on leaves Sp..

Man is an omnivore. He depends on both plants and animals for food. We know that crops are a major source of foo..

Air is an inexhaustible natural resource, essential for the survival of all the living organisms on earth. Air is a mixture of different gases; nitrogen and oxygen are the major component..

Accumulation of wastes due to its improper disposal is a major problem in our country. Population in India has been growing at a rapid rat..

Introduction - Man is an omnivore. He depends on both plants and animals for food. We know that crops are a major source of foo..

Man is an omnivore. He depends on both plants and animals for food. We know that crops are a major source of food. In this chapter, we shall study about animal sources of food. Animal sources include eggs, meat, milk and fish. Eggs and meat are rich in proteins, fats, vitamins and mineral..

India has 12 major river basins and 8 composite river basins that form the surface water resource. Besides, the ground water also adds to the total water resourc..

Fuel wood, agricultural waste and cow dung (gobar), form the major sources of energy for rural India and most of the urban Indian population consumes energy from coal, petroleum, natural gas (CNG), hydel power (hydroelectricity), sun, wind and nuclear powe..

Vitamin B 1 deficiency causes this disease. This water soluble vitamin is also called Thiamine or anti beri beri or antineuritic factor. Beri beri is common in areas where polished rice (dehusked rice) is the major food it..

Is Matter around us Pure - Matter can be broadly divided into two major groups, 'Pure' and 'Impure'. In chemistry, the term 'purity' acquires quite a different meaning from what we understand it to be in our day-to-day lif..