DMPQ: What is Soil? Given an account on the types of soil in India?

Soil is defined as upper layer of the earth composed of loose surface material. It is a mixture of many substances including endless variety of minerals, remnants of plants and animals, water and air. It is the end product of continuing interaction between the parent material, local climate, plant and animal organisms and elevation of … Read more DMPQ: What is Soil? Given an account on the types of soil in India?

DMPQ- What exactly is a black hole?

According to Albert Einstein’s theory of general relativity, black holes are uninhabitable chasms of spacetime that end in a ‘singularity,’ or a mass of infinite density. Black holes, with gravitational fields so powerful that not even light could escape them, were inferred by quantum physics about a century ago. It’s a place so bleak that even the laws of physics … Read more DMPQ- What exactly is a black hole?

DMPQ- Penumbral Eclipse

In a penumbral eclipse, the Full Moon enters the Earth’s penumbral shadow. The light from the Earth is partially blocked, and the Moon grows dimmer. In principle, a penumbral eclipse can be a partial penumbral eclipse (with only part of the Moon in the penumbra) or a total penumbral eclipse, where the entire Moon is in the penumbra; however, … Read more DMPQ- Penumbral Eclipse

DMPQ- What were the major reasons for the downfall of buddhism in Indian Sub-continent?

The major reasons for the downfall of buddhism in Indian subcontinent are as follows: Corruptions in Buddhist Sanghas: In course of time, the Buddhist ‘Sangha’ became corrupt. The monks and followers came to be drawn towards luxury and enjoyment. Receiving and saving valuable gifts like gold and silver made them greedy and materialistic Reform in … Read more DMPQ- What were the major reasons for the downfall of buddhism in Indian Sub-continent?

DMPQ- What are the different Techniques of soil conservation?

Soil conservation includes all those measures which help in protecting the soil from erosion and exhaustion. Soil erosion has been continuing over, such a large part of India for such a long time that it has assumed alarming proportions. Afforestation The best way to conserve soil is to increase area under forests. Indiscriminate felling of … Read more DMPQ- What are the different Techniques of soil conservation?

DMPQ- What do you mean By M Sand and write down its benefit.

Manufactured sand (M-Sand) is a substitute of river sand for concrete construction . Manufactured sand is produced from hard granite stone by crushing.The crushed sand is of cubical shape with grounded edges, washed and graded to as a construction material. The size of manufactured sand (M-Sand) is less than 4.75mm.Manufactured sand is an alternative for … Read more DMPQ- What do you mean By M Sand and write down its benefit.