Civil Services Exam: Model Paper 1 – Environment

Question 66: The World’s largest tiger reserve “Hukawang Valley Tiger Reserve” is located in which of the following countries?
(a) Myanmar
(b) China
(c) Thailand
(d) Nepal

Question 67: Which of the following statements about Similipal Biosphere Reserve are correct?
1. Similipal Biosphere Reserve is part of the UNESCO World Network of Biosphere Reserves.
2. Two tribes, the Erenga Kharias and the Mankirdias, inhabit the reserve’s forests.
3. The Biosphere Reserve is located in two distinct biogeographical regions: the Oriental realm’s Mahanadian east coastal region and the Deccan peninsular zone’s Chhotanagpur biotic province.
(a) Only one
(b) Only two
(c) All three
(d) None

Question 68: Regarding the Green Credit Programme, which statements are incorrect?
1. The Ministry of Environment, Forest and Climate Change has notified the ‘Green Credit Programme (GCP)’ implementation rules for 2023.
2. The Green Credit Programme is a mechanism that complements the domestic Carbon Market.
3. The Green Credit System solely focuses on CO2 emission reductions.
(a) Only one
(b) Only two
(c) All three
(d) None

Question 69: Where is Debrigarh Wildlife Sanctuary, recently in the news, located?
(a) Odisha
(b) Chhattisgarh
(c) Jharkhand
(d) Madhya Pradesh

Question 70: Shelford’s law of tolerance suggests that organisms with a wide tolerance limit for environmental factors show:
(a) Narrow distribution with low population
(b) Wide distribution with high population
(c) Wide distribution with high population
(d) Narrow distribution with high population

Question 71: Phytoplanktons are abundant in which of the following lake zones?
(a) Littoral zone
(b) Benthic zone
(c) Limnetic zone
(d) Profundal zone

Question 72: Which is not a feature of heliophyte among the following?
(a) Stem with long internodes
(b) Numerous rootlets
(c) Long lateral roots
(d) Vigorous fruiting and flowering

Question 73: Allelopathy is a term used to describe:
(a) The generation of toxins by one species inhibits the development of another.
(b) The pathogen’s sporulation is inhibited by the host.
(c) Changing the reproductive cycle of one organism by changing the reproductive cycle of another.
(d) By suppressing reproduction, one species might stifle the expansion of another.

Question 74: Acid rain is a result of:
(a) Excess amount CO2
(b) Excess amount of NH3
(c) Excess amount of SO2 and NO2
(d) Excess carbon monoxide

Question 75: Which of the following statements are correct with respect to food chain?
1. A food chain starts with producers and ends with top carnivores.
2. The sequence of eaten and being eaten involves transfer of food energy from trophic level to another.
3. An ecosystem may consist of several interrelated food chains.
Select the correct option from the codes given below:
(a) Only 1 and 2
(b) Only 2 and 3
(c) Only 1 and 3
(d) 1, 2 and 3