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Environment & EcologyMediumAsked in: UPSC CAPF · CAPF 2021, Paper I

Where is Asan Conservation Reserve located?

  1. A.Himachal Pradesh
  2. B.Uttarakhand
  3. C.Sikkim
  4. D.Arunachal Pradesh

Correct answer

B. Uttarakhand

Explanation

The correct answer is B, Uttarakhand. The Asan Conservation Reserve lies in Dehradun district of Uttarakhand.

The reserve is a stretch of the Asan river near its meeting with the Yamuna, where a barrage built in 1967 created a wetland. It was declared in 2005 as the first conservation reserve of the country, a category added to the Wild Life (Protection) Act, 1972 in 2003 for land owned by the government that links protected areas. In 2020 it became the first Ramsar site of Uttarakhand. The wetland is known for its water birds, including many winter migrants, and for globally threatened species such as the red-headed vulture and white-rumped vulture.

A is wrong: Himachal Pradesh has wetlands such as Pong Dam, Renuka and Chandertal, but not Asan.

C is wrong: Sikkim is known for Khangchendzonga National Park and high-altitude lakes such as Tsomgo.

D is wrong: Arunachal Pradesh has Namdapha and other forests, but Asan is not there.

Exam tip: Asan Conservation Reserve, Dehradun, Uttarakhand: first conservation reserve of India and first Ramsar site of Uttarakhand (2020).

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Q3.Environment & EcologyAsked in: UPSC CAPF · CAPF 2017, Paper IEasy

Which of the following diseases are caused by the consumption of water contaminated by mercury and nitrate ?

  1. A.Minamata disease and Osteoporosis
  2. B.Osteoporosis and Blue Baby Syndrome
  3. C.Minamata disease and Blue Baby Syndrome
  4. D.Osteoporosis and Minamata disease
Show answer
Correct answer: C. Minamata disease and Blue Baby Syndrome

Mercury in water causes Minamata disease, and excess nitrate causes blue baby syndrome.

Q4.Environment & EcologyAsked in: CDS · CDS-II 2016, GKMedium

Excessive use of which of the following fertilizers may be responsible for the presence of a toxic substance in groundwater?

  1. A.Nitrogen
  2. B.Phosphate only
  3. C.Potassium only
  4. D.Phosphate and potassium
Show answer
Correct answer: A. Nitrogen

Excess nitrogen fertilizer turns into nitrate, which dissolves easily, seeps down through the soil and contaminates groundwater. Urea and other nitrogen fertilizers are converted by soil bacteria into nitrate ions.

Q5.Environment & EcologyAsked in: CDS · CDS-I 2022, GKEasy

Which one of the following is the main reason of acid rains ?

  1. A.Dissolution of sulphur and nitrogen oxides in rain
  2. B.Dissolution of minerals in rain
  3. C.Dissolution of dust particles in rain
  4. D.Dissolution of soil solution in rain
Show answer
Correct answer: A. Dissolution of sulphur and nitrogen oxides in rain

These gases react with water in the air to form sulphuric and nitric acids, which fall as acid rain. Sulphur dioxide comes mainly from burning coal and oil in power plants and smelters, and nitrogen oxides from vehicle engines and high-temperature furnaces.