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.