Very Short Answer Type Question :-
1. Name two pathogenic organism which causes water pollution.
2. Mention the cause of ital-ital disease?
3. What are the green house gases?
4. Name two pesticides which are used in agricultural field. 5. State about the types of bronchitis.
6. Mention the two symptoms of asthma.
7. What is neoplasia?
8. Mention the source of aresenic compound.
9. Name one exotic species.
10. Mention two mangrove species Sundarban.
11. State the main characteristics of sanctuary.
12. Give examples in West Bengal and rest of India of National Park.
Answers
Answer:
1.Giardia , cryptospiridium
2.cadium expore
3.A greenhouse gas is a gas that absorbs and emits radiant energy within the thermal infrared range. Greenhouse gases cause the greenhouse effect on planets. The primary greenhouse gases in Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone
4.Algicides,Fumigants
5.Bronchitis is inflammation of the bronchi (large and medium-sized airways) in the lungs that causes coughing.[1] Symptoms include coughing up sputum, wheezing, shortness of breath, and chest pain.[1] Bronchitis can be acute or chronic.[
6.Asthma signs and symptoms include:
Shortness of breath.
Chest tightness or pain.
Wheezing when exhaling, which is a common sign of asthma in children.
7.Neoplasia (nee-oh-PLAY-zhuh) is the uncontrolled, abnormal growth of cells or tissues in the body, and the abnormal growth itself is called a neoplasm (nee-oh-PLAZ-m) or tumor. It can be benign (bee-NINE) or malignant.
8.Mining, smelting of non-ferrous metals and burning of fossil fuels are the major anthropogenic sources of arsenic contamination of air, water, and soil (primarily in the form of arsenic trioxide). The historical use of arsenic-containing pesticides has left large tracts of agricultural land contaminated.
9. Fishes
10. Sonneratia apetala, Bruguiera gymnorhiza,
11.1. It is natural area which is reserve by a governmental or private agency for the protection of particular species. 2. Area is designated for the protection of wild animals.
12. Sundarbans National Park, West Bengal - Home of the Bengal Tigers. ...
Buxa National Park and Tiger Reserve, Rajabhatkawa. ...
Gorumara National Park, Lataguri.
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Explanation:
In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.