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 is/are the elements of sustainable agriculture?
1) Permaculture
2) Agroforestry
3) Mixed farming
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
Permaculture is a method of developing ecologically harmonious, efficient, and sustainable means of farming. The Agroforestry and mixed farming uses a land management system in which trees or shrubs or crops and livestock are raised together. Hence all three are elements of sustainable agriculture.
42. Indian Meteorological Department was founded in which of the following year?
[A] 1835
[B] 1855
[C] 1875
[D] 1950
Show Answer
Correct Answer: C [1875]
Notes:
The India Meteorological Department which is an agency of the Ministry of Earth Sciences of the Government of India was established in 1875. It is responsible for meteorological observations, weather forecasting, and seismology.
43. Which of the following is called the place of origin an earthquake?
[A] Focus
[B] Hypercenter
[C] Epicenter
[D] None of the above
Show Answer
Correct Answer: A [Focus]
Notes:
The Focus of an earthquake, which is also called as a Hypocenter is the point of the origin of an earthquake whereas the epicenter is the point just exactly above the focus.
44. Which of the following are Environmentally Sensitive Places?
1. Religious and historic places
2. Archaeological monuments/sites
3. Biosphere reserves
4. Airport
Select the correct option from the codes given below:
[A] Only 1, 2 & 3
[B] Only 2, 3 & 4
[C] Only 1, 3 & 4
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: D [1, 2, 3 & 4]
Notes:
Some of the Environmentally Sensitive Places are as follows:
1. Religious and historic places
2. Archaeological monuments/sites
3. Biosphere reserves
4. Airport
5. Natural lakes, swamps Seismic zones tribal Settlements
6. Hill resorts/mountains/ hills
45. Which of the following statements are correct regarding Nanotoxicology?
1) It is the study of the toxicity of nanomaterials.
2) Inhalation exposure is of most concern.
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:
Nanotoxicology is defined as the study of the toxicity of nanomaterials. nanomaterials have unique properties as compared to their larger counterparts because of the large surface area to volume ratio of nanomaterials. Inhalation exposure is of most concern because of its quantum size.
46. 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.
47. What are Shola forests?
[A] Evergreen forests
[B] Moist Deciduous forests
[C] Dry Deciduous forests
[D] Hill forests
Show Answer
Correct Answer: D [Hill forests]
Notes:
Sholas are the local name for patches of stunted tropical montane forest found in valleys amid rolling grassland in the higher montane regions of South India.
48. Karnataka lies in which of the following biogeographic realms?
[A] Palearctic
[B] Indomalayan
[C] Australasia
[D] Neotropic
Show Answer
Correct Answer: B [Indomalayan]
Notes:
Karnataka lies in Indomalayan biogeographic realm.
49. Which of the following is not a particulate pollutant?
[A] Ozone
[B] Smoke
[C] Dust
[D] Soot
Show Answer
Correct Answer: A [Ozone]
Notes:
Particulate matter (PM) is a complex mixture of extremely small particles and liquid droplets that get into the air. This complex mixture includes both organic and inorganic particles, such as dust, pollen, soot, smoke, and liquid droplets. Ozone is created in the atmosphere when the sun’s rays split oxygen molecules into single atoms. These atoms combine with nearby oxygen to form a three-oxygen molecule, called ozone.
50. Which of the following is another name for the fish farming revolution?
[A] Blue revolution
[B] White revolution
[C] Yellow revolution
[D] Brown revolution
Show Answer
Correct Answer: A [Blue revolution]
Notes:
Blue Revolution means the adoption of a package programme to increase the production of fish and marine products. The Blue Revolution in India was started in 1970 during the Fifth Five-Year Plan when the Central Government sponsored the Fish Farmers Development Agency.
