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Posts in Category: ecology and environment

Biosphere Reserves

AIPMT-NEET Biology Aspirants, read out the next AIPMT-NEET Biology Study material/ Notes of Biosphere Reserves. In this we will learn about zones of biosphere reserves and their objectives, important for AIPMT-NEET Biology. Free online notes for AIPMT-NEET. 

Concept of Biosphere Reserves came into existence under the guidance of UNESCO for conservation and

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AIPMT: Microbes in Human Welfare

AIPMT-NEET Biology Aspirants, read next AIPMT Biology Study material/ Notes about Microbes used in human welfare, important for AIPMT Biology.Free online notes for AIPMT-NEET.

Microbes are useful to human beings as they help in fermentation process, provide important enzymes, various acids, etc. and some microbes are also causative agents of various human diseases

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Deforestation

AIPMT Biology Aspirants, read out the next AIPMT Biology Study material/ Notes of Deforestation, Causes of deforestation, Effects of deforestation, Jhum Cultivation, important for AIPMT Biology.Free online notes for AIPMT

Deforestation is the conversion of forested areas to non-forested ones. 40 % forests have been lost in the tropics,

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Air Pollution and its control

AIPMT Biology Aspirants, read out the next AIPMT Biology Study material/ Notes of Air Pollution, important  for AIPMT Biology.Free online notes for AIPMT. Prepare for AIPMT.

Pollution is any undesirable change in physical, chemical or biological characteristics of air, land, water or soil.

Agents that bring about such an undesirable change are

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Greenhouse Effect and Global Warming

AIPMT Biology Aspirants, read out the next AIPMT Biology Study material/ Notes of Greenhouse Effect and Global Warming, important for AIPMT Biology.Free online notes for AIPMT.

Greenhouse effect is what makes this planet suitable for life. Greenhouse effect is a natural phenomenon that is responsible for heating of Earth’s surface and

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Life history adaptations:  r-selected and k-selected species

AIPMT-NEET Aspirants, read out the next AIPMT-NEET Biology Study material/ Notes of r-selected and k-selected species, important for AIPMT-NEET Biology. Free online notes for AIPMT-NEET.

Life history adaptations depend on availability of resources. Species vary in their capacity to reproduce due to adaptation to different habitat conditions. r-selected species use wide

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Water Pollution and its control

AIPMT Biology Aspirants, read out the next AIPMT Biology Study material/ Notes of Water pollution, important for AIPMT Biology.Free online notes for AIPMT. What are the major causes of water pollution, how the waste water is treated. Sewage treatment plant important for AIPMT biology.

In situ and Ex situ Conservation

AIPMT Biology Aspirants, read next AIPMT Biology Study material/ Notes of In-situ and Ex-situ Conservation, important for AIPMT Biology.Free online notes for AIPMT. Biodiversity Conservation, Types of biodiversity conservation: In situ and Ex situ.

Biodiversity conservation may be in situ as well as ex situ.

 In situ conservation: Endangered species

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Ozone Depletion in Stratosphere

AIPMT Biology Aspirants, read out the next AIPMT Biology Study material/ Notes of Ozone Depletion in stratosphere, important for AIPMT Biology.Free online notes for AIPMT

  • Ozone layer is found in the upper part of the atmosphere called the Stratosphere.
  • Ozone layer surrounding earth acts as a shield for earth as

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Eutrophication

AIPMT Biology Aspirants, read out the next AIPMT Biology Study material/ Notes of Eutrophication, important for AIPMT Biology.Free online notes for AIPMT.

Eutrophication is the natural aging of a lake by biological enrichment of its water.

Lakes are classified according to their nutrient content and primary productivity.