Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
41. Which of the following statements are correct regarding Atmospheric aerosols?
1) They can scatter and absorb solar and infrared radiation.
2) There are two types of aerosols – Natural aerosols and Anthropogenic aerosols.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
Atmospheric aerosol can scatter and absorb the solar and infrared radiation. They can change the microphysical properties of the clouds. There are two types of aerosols – Natural aerosols and Anthropogenic aerosols.
42. Which of the following statements are correct about the process of scoping Environment Impact Assessment?
1. It is a process of detailing the terms of reference of EIA.
2. Quantifiable impacts are to be assessed on the basis of factors like magnitude, prevalence, frequency and duration.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
Scoping is a process of detailing the terms of reference of Environment Impact Assessment. Quantifiable impacts are to be assessed on the basis of factors like magnitude, prevalence, frequency and duration.
43. Where is Lingambudhi Lake located?
[A] Bengaluru
[B] Hubbali
[C] Mysuru
[D] Shivamogga
Show Answer
Correct Answer: C [Mysuru]
Notes:
Lingambudhi Lake is situated in Mysuru city, Karnataka. Mysuru is known for its lakes and parks, and Lingambudhi Lake is a well-known water body in this region. It serves as an important ecological and recreational area within the city limits.
44. Littoral and Swamp Forests can be seen in–
[A] Howrah
[B] Kolkata
[C] South 24 Pargana
[D] Hooghly
Show Answer
Correct Answer: C [South 24 Pargana ]
Notes:
Littoral and Swamp Forests also known as
The Mangrove Forests is found in Ganga-Brahmaputra delta (Sundarbans) i.e. in the districts of South 24
Parganas and Southern region of North 24 Parganas.
45. Which is used as an Air pollution indicator?
[A] Algae
[B] Fungi
[C] Bacteria
[D] Lichens
Show Answer
Correct Answer: D [Lichens]
Notes:
Lichens are used as air pollution indicators, especially of the concentration of Sulphur dioxide in the atmosphere. If air is very badly polluted with sulphur dioxide there may be no lichens present, just green algae may be found. If the air is clean, shrubby, hairy and leafy lichens become abundant.
46. Which of the following primarily causes Mercury Pollution?
[A] Automobile Battery
[B] Diesel Engine
[C] Polymer
[D] CFL Lamp
Show Answer
Correct Answer: D [CFL Lamp]
Notes:
Old compact fluorescent lamp (CFL) bulbs lead to mercury pollution. According to the U.S. Environmental Protection Agency, common CFL bulbs contain 3-5 milligrams (mg) of mercury. CFLs, like all fluorescent lamps, contain mercury as a vapor inside the glass. Mercury (Hg) is a heavy metal that exists in several forms. Human contact with mercury, in any form, can produce toxic effects if the dose is high enough.
47. To conserve coral reefs, the Government of India declared one of the following as Marine Park, that is ______:
[A] Gulf of Kutch
[B] Gulf of Mannar
[C] Andaman Islands
[D] Lakshadweep Islands
Show Answer
Correct Answer: A [Gulf of Kutch]
Notes:
For the protection of coral reefs, the Gulf of Kutch was declared Marine National Park under the provisions of the Wildlife (protection) Act, 1972. It is the first national marine park of India.
48. Bandhavgarh National Park is in which state?
[A] Rajasthan
[B] Chhattisgarh
[C] Uttar Pradesh
[D] Madhya Pradesh
Show Answer
Correct Answer: D [Madhya Pradesh]
Notes:
Bandhavgarh National Park is located in the Umaria district of Madhya Pradesh. Bandhavgarh was declared a national park in 1968. This park is known for high density of Tigers. The park derives its name from the most prominent hillock of the area, which was said to be given by Hindu Lord Rama to his brother Lakshmana to keep a watch on Lanka (Ceylon).
49. Pin valley National park is situated in ______:
[A] Andhra Pradesh
[B] Madhya Pradesh
[C] Himachal Pradesh
[D] Arunachal Pradesh
Show Answer
Correct Answer: C [Himachal Pradesh]
Notes:
The glorious Pin Valley National Park is located in the cold desert area of Lahaul and Spiti in Himachal Predesh and is home to more than 20 species of animals and birds, including the endangered Snow Leopard. Wildly furious but majestic Pin River flows right through it. The park is located in the desert habitat of the Spiti Valley, within the Cold Desert Biosphere Reserve, in the Himalayas region.
50. Which of the following factors is/are not affected by speed and direction of wind?
[A] Location on the earth
[B] Revolution of earth
[C] Local conditions
[D] Height from ground
Show Answer
Correct Answer: B [Revolution of earth]
Notes:Blowing or moving air is called wind. The speed of wind may vary from 5-10 km/h (gentle breeze) to 700-800 km/h (tornado). The speed and direction of wind is affected by the following factors :
- Location on the earth
- Rotation of the earth
- Local conditions
- Height from the ground
