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February 26, 2021 Recommended

Origin and Characteristics of a Family

The early man started his life as an individual. Gradually he came in contact with his fellows and he started developing a social life. At any period of human life it is hard to understand that a man ever remained in isolation. Thus this hypothesis does not cover the whole thing.

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October 22, 2021 Recommended

Determination of sex in living organisms

Determining male or female form of living organism through sexual reproduction is called as sex determination. Sex determination on a large scale is of two types- environmental, genetic and chromosome based.

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September 2, 2021 Recommended

Modes of Reproduction

Two organisms- male and female are essential for sexual reproduction. Now let us study some basic methods of reproduction in single organisms.

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August 27, 2020 Recommended

World Water Week 2020 – at Home

World Water Week Stockholm is celebrated every year from 23 to 28 Aug. every year. Due to pandemic covid-19 it is taking place from 24 to 28 Aug. this year with a theme- World Water Week at Home.

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July 23, 2021 Recommended

Coordination in plants

Auxins move to darker side of the part of a plant and cause cells of that side to grow larger. These may induce cell division as well. In both of these cases the part of the plant bends.

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May 7, 2022 Recommended

Biotic Components of Ecosystem

Living beings in environment like animals and plants constitute more than half of the environment in the biosphere. All of these need to be conserved.

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November 13, 2021 Recommended

Air Pollution may cause depression in human being

From different sources it has been confirmed that air pollution has increased in Indian cities after Deepawali festival. Delhi and many other cities of India are experiencing very heavy pollution. Particulate matter in these cities have increased up to such an extent that many persons have started suffering from breathing related problems.

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