Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
11. The Indian Council of Forestry Research and Education (ICFRE) has how many research institutes?
[A] 8
[B] 9
[C] 10
[D] 11
Show Answer
Correct Answer: B [9]
Notes:
The Indian Council of Forestry Research and Education (ICFRE) has 9 research institutes and 4 advanced centres to cater to the research needs of different bio-geographical regions in India.
12. Reserved Forest are notified under which section of the Indian Forest Act, 1927?
[A] Section 14
[B] Section 17
[C] Section 20
[D] Section 23
Show Answer
Correct Answer: C [Section 20]
Notes:
Reserved Forest is notified under section 20 of the Indian Forest Act which was enacted in the year 1927 or under the reservation provisions of the Forest acts of the State Governments.
13. Ecological pyramid of energy or productivity is –
[A] Always upright
[B] Always inverted
[C] Can be upright or inverted
[D] Can take any form like food web
Show Answer
Correct Answer: A [Always upright]
Notes:Ecological pyramid of Energy or Productivity shows the movement of energy from one trophic level to another. It is always upright as energy is lost from the lower trophic level to higher trophic level.
14. Which of the following biotic interaction is characterized by the loss to one specie and no effect on other specie?
[A] Commensalism
[B] Competition
[C] Predation
[D] Amensalism
Show Answer
Correct Answer: D [Amensalism]
Notes:Amensalism is the biotic interaction in which one species is harmed and the other specie remain unaffected. Example- In evergreen tropical forest large trees shade the small tree thus restricting their growth, an example of anemalism
15. Ramsar convention is related to which of the following-
[A] Limiting the desertification
[B] Conservation of wetlands
[C] Conservation of Snow Leopard
[D] Conservation of Tigers
Show Answer
Correct Answer: B [Conservation of wetlands]
Notes:Ramsar convention signed in 1971 in Ramsar, Iran is related to the wise use and conservation of notified wetlands. From India there are 38 wetland sites recognized in the convention.
16. This group of organisms aquatic ecosystem are swimmers and are large and powerful to overcome the ocean currents. Which of the following are those group of organisms?
[A] Neuston
[B] Periphyton
[C] Benthos
[D] Nekton
Show Answer
Correct Answer: D [Nekton]
Notes:Nektons contain those aquatic organisms that are swimmers. Nektons generally have large bodies and are powerful to overcome the ocean currents. They are of different ranges i.e form swimmer insects to large blue whales.
17. Which of the following is true about nuclear waste?
- It can be kept underwater permanently for its safe storage
- It does not decay for a long time
Select the correct answer from the codes given below
[A] 1 only
[B] 2 only
[C] Both
[D] None
Show Answer
Correct Answer: B [2 only]
Notes:
Nuclear waste is the waste released from the nuclear reactor. It is the radioactive waste that does not decay for a long period of time. It can be stored underwater temporarily. For its long term safe storage it is to be stored in deep geological formations
18. Which of the following mentioned texts mentions that air, land, water, and seasons were indispensable for life?
[A] Brihat Samhita
[B] Charaka Samhita
[C] Sushruta Samhita
[D] Deva Samhita
Show Answer
Correct Answer: B [Charaka Samhita]
Notes:
The Indian treatise on medicine Charaka- Samhita contains information that air, land, water, and seasons were indispensable for life. It also mentions that polluted air and water are injurious to health.
19. Which of the following statements are correct about Grassland Biome?
1) Extensively found in North America, Ukraine, etc.
2) Shrubs dominates the vegetation.
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: A [Only 1 ]
Notes:
Grasslands are present in the areas with Temperate conditions & low rainfall, For example, North America, Ukraine, etc. Grasses dominate the vegetation. The fauna include large herbivores like bison, antelope, cattle, rodents, etc.
20. Which of the following statements are correct with respect the ecosystem?
1. Everything that lives in an ecosystem is dependent on the other species and elements that are also part of that ecological community.
2. If one part of an ecosystem is damaged or disappears, it does not have impact on everything else.
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: A [Only 1]
Notes:
Everything that lives in an ecosystem is dependent on the other species and elements that are also part of that ecological community. Even if one part of an ecosystem is damaged or disappears, it impacts everything else.
