Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App
11. Which of the following is NOT a primary green house gas in the earth’s atmosphere?
[A] Ozone
[B] Hydrogen
[C] Methane
[D] Nitrous Oxide
Show Answer
Correct Answer: B [Hydrogen]
Notes:
Many green house gases, including water vapor (the most important), ozone, carbon dioxide, methane, and nitrous oxide, are naturally present in the atmosphere. Other GHGs are synthetic chemicals that are emitted only as a result of human activity.
12. ECOMARC is a symbol related to which of the following?
[A] Goods safe for environment
[B] Best quality
[C] Imported goods
[D] Exported goods
Show Answer
Correct Answer: A [Goods safe for environment]
Notes:
Ecomark or Eco mark is a certification mark issued by the Bureau of Indian Standards to products conforming to a set of standards aimed at the least impact on the ecosystem. The marking scheme was started in 1991.
13. Which of the following is used to treat Municipal water in India?
[A] Chlorine
[B] Potassium permanganate
[C] Sodium Chloride
[D] Sodium Carbonate
Show Answer
Correct Answer: A [Chlorine]
Notes:
A combination selected from the following processes is used for municipal drinking water treatment worldwide:
• Pre-chlorination for algae control and arresting biological growth
• Aeration along with pre-chlorination for removal of dissolved iron when present with small amounts relatively of manganese
14. Kodiakkarai Wild Life sanctuary, sometimes seen in news, is situated in which state?
[A] Karnataka
[B] Tamil Nadu
[C] Odisha
[D] Kerala
Show Answer
Correct Answer: B [Tamil Nadu]
Notes:
Recently, a unique exercise of re-habitating deer population has been started in the Kodiakkarai Wild Life sanctuary in Tamil Nadu. This follows up-gradation works being undertaken at the cost of Rs 8 crores in the Sivagangai Gardens of Thanjavoor under the smart city scheme of the Central government. The graceful deers have been transported by using special trucks to Kodiyakkarai, in Vedaranyam district on the shores of the Bay of Bengal.
15. The Prevention of Cruelty to Animals Act was enacted in which year?
[A] 1950
[B] 1960
[C] 1970
[D] 1980
Show Answer
Correct Answer: B [1960]
Notes:
The Prevention of Cruelty to Animals Act was enacted in the year 1960 by the Parliament of India to prevent the infliction of unnecessary pain or suffering on animals and to amend the laws relating to the prevention of cruelty to animals.
16. Trophic levels in the food chain is formed by
[A] Detritus
[B] Heterotrophs
[C] Autotrophs
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Trophic level refers to the position of a living organism that it occupies in a food web. When different levels are arranged in the order of succession they form a food chain. Autotrophes, heterotrophes and detrious organisms, all form part of the trophic level.
17. Which of the following is true about Fly ash?
- It is produced while burning of solid material.
- It is very fine gas and rises esaily with the air
- It can lower the plant yield
Select the correct answer from the codes given below-
[A] 1,2,3
[B] 1 and 3 only
[C] 1 and 2 only
[D] 2 and 3 only
Show Answer
Correct Answer: A [1,2,3]
Notes:
Fly ash is very fine ash produced by the burning of any solid material. It is very fine and thus rises easily with air. When settled on plant leaves it reduce their yield.
18. Which of the following can be the possible use of fly ash?
- Making light weight bricks
- Increasing soil fertility
- Making concrete
Select the correct answer from the codes given below-
[A] 1,2,3
[B] 1 and 2 only
[C] 1 only
[D] 2 only
Show Answer
Correct Answer: A [1,2,3]
Notes:Fly ash obtained from burning of solid material is stored to be used in
- Making light weight bricks
- Increasing soil fertility
- making concrete that provides extra strength to the infrastructure
19. Which of the following is true about Golden Langur?
- In India it is found only in North East India
- Its IUCN status is Endangered
Select the correct answer from the codes given below:
[A] 1 only
[B] 2 only
[C] Both
[D] None
Show Answer
Correct Answer: C [Both]
Notes:
Golden Langur also called Gee’s Golden Langur is one of the primates found in the the foothills of Bhutan (North), Manas river (East), Sankosh river (West), and Brahmaputra river (South). Its IUCN status is Endangered.
20. Which of the following statements are correct about the Savannah Biome?
1) Savannah is most extensively found in Africa.
2) Grasses with scattered trees and fire-resisting thorny shrubs.
Select the correct answer 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:
Savannah is most extensively in Africa. Grasses with scattered trees and fire-resisting thorny shrubs are present. The fauna includes a great diversity of grazers and browsers such as antelopes, buffaloes, etc.; the carnivores include lion, cheetah, hyena; and mongoose, and many rodents.
