Environment, Ecology & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
61. Which of the following animals are found in India in wild?
- Snow Leopard
- Clouded Leopard
- Jaguar
Select the correct option from the codes given below:
[A] Only 1
[B] Only 1 & 2
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: B [Only 1 & 2]
Notes:
Five big cat species are found in India in wild viz. Gir Lion, Bengal tiger, Indian leopard, snow leopard and clouded leopard. Jaguar is not found in India in wild but is found in some Zoos.
62. Consider the following avian fauna:
1. Spoon-billed Sandpiper
2. Bengal Florican
3. Jerdon’s Courser
Which among the following is / are migratory species in India?
[A] Only 1
[B] Only 1 & 2
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: A [Only 1]
Notes:Bird species falling under the Critically Endangered category in India:-
- Migratory wetland species:Baer’s Pochard, Siberian Crane and Spoon-billed Sandpiper.
- Non-migratory wetland species: White-bellied Heron.
- Grassland species:Bengal Florican, Great Indian Bustard, Jerdon’s Courser and Sociable Lapwing.
- Forest species: Forest Owlet.
- Scavengers: Indian Vulture, Red-headed Vulture, White-backed Vulture and Slender-billed Vulture.
Himalayan Quail and Pink-headed Duck are now considered Extinct for all practical purposes.
63. Which among the following statements are applicable to both Nepenthes khasiana & Tropical sundew (Drosera burmannii) plants?
1. Both are endangered plant species
2. Both are found in Eastern Himalaya
3. Both are insectivorous plant species
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
Kindly note that both these plants are found in Khasi hills of north east India.
64. Consider the following statements about Kaziranga National Park 1.Wild Water Buffalo is only found in Kaziranga National Park. 2.It is a World Heritage Site. 3.Kaziranga is recognized as an Important Bird Area. Select the correct option from the codes given below:
[A] 2 only
[B] 3 only
[C] 2 and 3
[D] 1 and 3
Show Answer
Correct Answer: C [ 2 and 3 ]
Notes:
Kaziranga National Park hosts two-thirds of the world’s great one-horned rhinoceroses. It is a World Heritage Site. It has the largest population of the Wild water buffalo anywhere accounting for about 57% of the world population.
65. Which of the following observations are correct regarding the Nelapattu Bird Sanctuary, sometimes seen in news? 1.It is considered one of the biggest habitat for pelicans. 2.It is located about 20 km north of the Pulicat Lake. 3.The barrier island of Sriharikota separates the Pulicat lake from the Bay of Bengal. Select the correct option from the codes given below:
[A] 2 only
[B] 2 and 3
[C] 1 and 3
[D] 1,2,3
Show Answer
Correct Answer: D [ 1,2,3 ]
Notes:
Nelapattu Bird Sanctuary is considered as one of the biggest habitat for some hundreds of pelicans and other birds. Pulicat lake is the second largest brackish water lake or lagoon in India, after Chilika Lake. Two rivers which feed the lagoon are the Arani river at the southern tip and the Kalangi River from the northwest.
66. Which of the following is true about Commensalism biotic interaction?
[A] One species is benefited and the other is unaffected
[B] Both the species benefits
[C] Both the species are harmed
[D] One specie is harmed and other is unaffected
Show Answer
Correct Answer: A [One species is benefited and the other is unaffected]
Notes:
Commensalism is a form of biotic interaction in which one specie is benefitted while the other is unaffected. Example- Cow dung providing the shelter to the dung beetles.
67. 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.
68. Which of the following statements is true about Biochemical Oxygen Demand?
[A] It shows the amount of oxygen required to oxidize the organic wate into inorganic material
[B] It shows the amount of oxygen required to remove both degradable and non degradable waste in the water
[C] It shows the amount of oxygen required to decompose the organic waste in the water
[D] None of the above is true
Show Answer
Correct Answer: C [It shows the amount of oxygen required to decompose the organic waste in the water]
Notes:
Biochemical Oxygen Demand is the amount of oxygen required by the bacterias and microorganism present in water to decompose the organic waste
69. Which of the following are the harmful effects of Carbon Monoxide?
- Shortness of breath
- Short supply of oxygen in blood
- Inactivates nerves
- Cause unconsciousness
Select the correct answer from the codes given below-
[A] 1,2,3,4
[B] 1,2 and 3 only
[C] 1,3 and 4 only
[D] 2,3 and 4 only
Show Answer
Correct Answer: A [1,2,3,4]
Notes:
Carbon monoxide is a harmful gas that mixes with blood and cause prevent the effective mixing of oxygen in the blood that causing short supply of oxygen and thus shortness of breath and inactivates nerves thus causing unconsciousness. It causes slow death.
70. Which of the following methods can not remove sulphur dioxide pollutant?
[A] Precombustion Desulphurisation
[B] Post combustion desulphurisation
[C] Photochemical oxidants
[D] Electrochemical reaction
Show Answer
Correct Answer: C [Photochemical oxidants]
Notes:
Photochemical oxidants are the pollutants fouund in smog thus can not remove sulpher dioxide.
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