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Ecology and Environment MCQ

192 MCQ questions with answers and explanations · page 7 of 8

Test yourself▶ 25 question test▶ 50 question test

Q151. An artificial ecosystem is represented by____

  1. APisciculture tank
  2. BAgriculture land
  3. CAquarium
  4. DZoo
Show answer & explanation

Answer: C) Aquarium

Q152. Global warming is expected to result in ____

  1. AIncrease in level of sea
  2. BChange in crop pattern
  3. CChange in coastline
  4. DEach of the above
Show answer & explanation

Answer: D) Each of the above

Q153. The amount of energy during transfer from one tropic level to another in an ecosystem _____

  1. AIncreases
  2. BDecreases
  3. CRemains constant
  4. DMay increase of decrease
Show answer & explanation

Answer: B) Decreases

Q154. Which of the following is associated with biological nitrogen fixation?

  1. ARed algae
  2. BBrown algae
  3. CGreen algae
  4. DBlue-green algae
Show answer & explanation

Answer: D) Blue-green algae

Q155. The most biodiversity rich area in India is _____

  1. AGangetic Plain
  2. BTrans Himalayas
  3. CWestern Ghats
  4. DCentral India
Show answer & explanation

Answer: C) Western Ghats

Q156. Which of the following is a Nodal Institution for implementation of Sustainable Development Goals in India?

  1. APlanning Commission
  2. BDisinvestment Commission
  3. CNITI Aayog
  4. DFinance Commission
Show answer & explanation

Answer: C) NITI Aayog

Q157. Which of the following states became the first state in India to provide 100% tap water supply in rural areas in 2020?

  1. AGoa
  2. BKerala
  3. CMizoram
  4. DSikkim
Show answer & explanation

Answer: A) Goa

Q158. Ozone is a molecule made up of ……… oxygen atoms.

  1. AFour
  2. BTwo
  3. COne
  4. DThree
Show answer & explanation

Answer: D) Three

Q159. Which of the following is the study of insects and their relationship to humans, the environment, and other organisms?

  1. AOrnithology
  2. BEntomology
  3. CEthology
  4. DMycology
Show answer & explanation

Answer: B) Entomology

Q160. In order to prevent tooth decay safely and effectively by making use of water, it is subject to which of the following processes?

  1. AIodisation
  2. BFluoridation
  3. CCarbonisation
  4. DChlorination
Show answer & explanation

Answer: B) Fluoridation

Q161. The Swachh Swasth ………… is an initiative to achive better health outcomes through improved sanitation, increased and healthy lifestyles.

  1. ASamagra
  2. BSansara
  3. CSarvatra
  4. DSwarga
Show answer & explanation

Answer: C) Sarvatra

Q162. Which of the following sustainable Development Goals ensures availability and sustainable management of water and sanitation for all?

  1. ASDG 5
  2. BSDG 6
  3. CSDG 4
  4. DSDG 7
Show answer & explanation

Answer: B) SDG 6

Q163. Under the National Urban Sanitation Policy, a city that scores points between 34 and 66 and needs considerable improvement is colour-coded…………..

  1. AGreen
  2. BBlack
  3. CBlue
  4. DRed
Show answer & explanation

Answer: B) Black

Q164. Which of the following destroys the Ozone layer?

  1. ACarbon
  2. BChlorine
  3. CSulphur
  4. DSilicon
Show answer & explanation

Answer: B) Chlorine

Q165. Eco mark is given to an Indian product which is

  1. ARich in protein
  2. BEnvironment-friendly
  3. CEconomically viable
  4. DPure and unadulterated
Show answer & explanation

Answer: B) Environment-friendly

Q166. What do you call the maximum sustainable size of a resident polpulation in a given ecosystem?

  1. ACensus
  2. BCrude rate
  3. CCarrying capacity
  4. DCase rate
Show answer & explanation

Answer: C) Carrying capacity

Q167. Realising the importance of maintaining the cleanliness of the water bodies, the Government of India passed the Water (Prevention and Control of Pollution) Act, ……….. to safeguard our water resources.

  1. A1974
  2. B1973
  3. C1971
  4. D1969
Show answer & explanation

Answer: A) 1974

Q168. As per the Swiss organisation IQAir's 'World Air Quality Report, 2020' , which of the following is the most polluted capital city in the world?

  1. ABeijing
  2. BTokyo
  3. CDelhi
  4. DParis
Show answer & explanation

Answer: C) Delhi

Q169. The concept of 'carbon credit' originated from which one of the following?

  1. AKyoto Protocol
  2. BEarth Summit
  3. CMontreal Protocol
  4. DG-8 Summit
Show answer & explanation

Answer: A) Kyoto Protocol

Q170. Which one among the following industries produces the most non-biodegradable wastes?

  1. AThermal power plants
  2. BFood processing units
  3. CTextile mills
  4. DPaper mills
Show answer & explanation

Answer: A) Thermal power plants

Q171. Cadmium pollution is associated with _____

  1. AMinamata disease
  2. BBlack foot disease
  3. CDyslexia
  4. DItai-itai
Show answer & explanation

Answer: D) Itai-itai

Q172. Justice …….. , who retired frim the Supreme Court of India on 6 July, 2018 has been appointed as the new Chairperson of the National Green Tribunal.

  1. AJustice Jeward Rahim
  2. BAdarsh Kumar Goel
  3. CRaghuvendra Singh
  4. DSonam Phintso Wangdi
Show answer & explanation

Answer: B) Adarsh Kumar Goel

Q173. On Dec. 3, 1984, due to leakage of a poisonous gas from the Union Carbide factory in Bhopal, thousands of people died. The poisonous gas responsible for this was__________

  1. AMethyl cyanide
  2. BHydrogen cyanide
  3. CMethyl isocarbide
  4. DMehtyl isocyanate
Show answer & explanation

Answer: D) Mehtyl isocyanate

Q174. Silent Valley National Park is located in the Indian state of ______

  1. AMadhya Pradesh
  2. BWest Bengal
  3. CKerala
  4. DUttarakhand
Show answer & explanation

Answer: C) Kerala

Q175. Which of the following plants is Carnivorous?

  1. AVenus Flytrap
  2. BHyacinth
  3. CCypress Vine
  4. DAmaryllis
Show answer & explanation

Answer: A) Venus Flytrap

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