GK/General Awareness/G-Studies,

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Environmental/Biology -Important Points

1. Keoladeo National Park in Bharatpur, Rajasthan is a famous avifauna sanctuary.

It is also a declared World Heritage Site.

The rare Siberian cranes visit the place in winter season.

2-The minimum area of the land required to completely sustain the life of one person is called his Ecological foot print.

3-West Bengal followed by Gujarat & Andaman and Nicobar have the maximum percentage of mangrove cover in the country

4-The word ecology (Okologie) was coined in 1866 by the German scientist Ernst Haeckel (1834–1919).

5- Lichens are  useful biological indicator of Sulphur-dioxide pollution, best indicator of Air Pollution.

6- The transitional zone between two distinct communities is known as Eco tone.

7- ‘Lion-tailed macaque’ is the key faunal species of Nilgiri Biosphere Reserve.

8-The regions, Eastern Himalaya and Western Ghats of India are designated as biodiversity hotspots.

9-The largest number of Tiger Reserves are located in Madhya Pradesh.

10- The Cycling of elements in an ecosystem is called Bio geo- chemical cycles.

11-The World Environment Day is celebrated on June 5th.

12-Center for Ecological Sciences (CES) is in Bengaluru.

13-National Environmental Engineering Research Institute is situated at Nagpur.

14- Wildlife Institute of India is in Dehradun.

15-Indian Institute of Forest Management is in Bhopal.

16-G.B.Pant Institute of Himalayan Environment and Development is in Almora.

17- The two components of an ecosystem are  Biotic and abiotic

18-Acid rains occur when atmosphere is heavily polluted with SO2 and NO2

19-Branch of Biology which is concerned with the inter-relationship between plants and animals is called Ecology

20-The disease “Itai Itai” is caused by  Cadmium.

21-Human being can hear range of sound frequency between  20-20,000 Hertz

22-First International Conference on environment held on  June,1972.

23-Sound becomes hazardous noise pollution at decibels above 80.

24-Phytoplanktons are the members of Aquatic ecosystem.

25-Syringes are examples of  Biomedical wastes.

26-Taj Mahal is threatened due to Sulphur dioxide

27-Ozone layer exists in Stratosphere

28-Ozone layer is being depleted by Chloroflurocarbon.

29-Full form of COD is Chemical Oxygen Demand

30-Environmental Protection Act enacted on 1986.

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