Q126. The organisms which feed on the waste products are called____
- ADetrivores
- BCarnivores
- CHerbivores
- DChemovores
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Answer: A) Detrivores
Ecology and Environment MCQ
192 MCQ questions with answers and explanations · page 6 of 8
Q127. Minamata disease' was caused by eating fish which have high levels of ____
- AArsenic
- BMercury
- CCadmium
- DAll of the above
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Answer: B) Mercury
Q128. Maximum ozone depletion has been observed in which of the following?
- AThe North Pole
- BThe South Pole
- CThe Equator
- DNone of the above
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Answer: B) The South Pole
Q129. The 'Red Data Book' is related to
- APollution in rivers
- BDecreasing underground water level
- CAnimals near extinction
- DAir pollution
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Answer: C) Animals near extinction
Q130. Which of the following gases soluble in rainwater causes acidic?
- AHydrogen peroxide
- BNitrogen monoxide
- CCarbon dioxide
- DSulphur dioxide
Show answer & explanation
Answer: D) Sulphur dioxide
Q131. The environment modified by human activities is called___
- ANatural Environment
- BAnthropogenic Environment
- CUrban Environment
- DModern Environment
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Answer: B) Anthropogenic Environment
Q132. Indan Rhinocerous is protected in
- ACorbett National Park
- BKaziranga National Park
- CBandipur National Park
- DGir National Park
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Answer: B) Kaziranga National Park
Q133. Which of the following series is true about energy flow in an ecosystem?
- AProducers → Decomposers → Consumers
- BDecomposers → Consumers → Producers
- CProducers → Consumers → Decomposers
- DConsumers → Producers → Decomposers
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Answer: C) Producers → Consumers → Decomposers
Q134. Greenhouse gas, which is present in the highest quantity in atmosphere, is
- APropane
- BEthane
- CCarbon dioxide
- DMethane
Show answer & explanation
Answer: C) Carbon dioxide
Q135. The gas, which is emitted in the paddy fields and increases the earth's temperature is ____
- ANitrogen
- BCarbon dioxide
- CCarbon mono-oxide
- DMethane
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Answer: D) Methane
Q136. Human activities that cause climate change on the earth include____
- ABurning of forests
- BAgricultural activities
- CUse of aerosol cans
- DAll of the above
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Answer: D) All of the above
Q137. Which crop belonging to the family Euphorbiaceae is known for producing biodiesel?
- AJatropha
- BCandlenut tree
- CCopper leaf
- DSarpagandha
Show answer & explanation
Answer: A) Jatropha
Q138. Which is the first Indian airline company that used biofuel as ATF in August 2018?
- AJet Airways
- BVistara
- CAir India
- DSpice Jet
Show answer & explanation
Answer: D) Spice Jet
Q139. Which one of the following is the well known example of bioindicator of air pollution?
- ALichens
- BMethyl mercury
- CRose plant
- DSunflower
Show answer & explanation
Answer: A) Lichens
Q140. The Global Wildlife Programme, 2017 witnessed the release of which documets?
- ANational Wildlife Action Programme
- BSecure Himalayas
- CBoth (a) and (b)
- DNone of the above
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Answer: A) National Wildlife Action Programme
Q141. Among the mathematical indices for measuring bio-diversity, which one shows the mean species diversity in a habitat at a local scale?
- AAlpha index
- BBeta index
- CGamma index
- DNone of the above
Show answer & explanation
Answer: A) Alpha index
Q142. Which one of the following statements best describes the term 'Social Cost of Carbon'? It is a measure, in monetary value of the
- ALong-term damage done by a tonne of CO2 emissions in given year
- BRequirement of fossil fuels for a country to provide goods and services to its citizens, based on the burning of those fuels.
- CEfforts put in by a climate refugee to adapt to live in a new place.
- DContribution of an individual person to the carbon footprint on the planet Earth.
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Answer: A) Long-term damage done by a tonne of CO2 emissions in given year
Q143. With reference to India's biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-throated redstart are :
- ABirds
- BPrimates
- CReptiles
- DAmphibians
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Answer: A) Birds
Q144. National Clean Air Programme has been launched by the central government in the year____
- A2018
- B2017
- C2020
- D2019
Show answer & explanation
Answer: A) 2018
Q145. At which of the following places is the Secetariat of the International Solar Alliance (I.S.A) located at present?
- AParis
- BNew Delhi
- CGurugram
- DNew York
Show answer & explanation
Answer: C) Gurugram
Q146. Among the following Tiger Reserves, which one has the largest area under "Critical Tiger Habitat"?
- ACorbett
- BRanthambore
- CNagarjunsagar-Srisailam
- DSunderbans
Show answer & explanation
Answer: C) Nagarjunsagar-Srisailam
Q147. The Environment Kuzent Curve (EKC) shows the relationship between per capital GDP and Environmental loss. What is the shape of Environmental Kuznets Curve?
- AInverted 'U' shaped
- BInverted 'V' shaped
- CInverted 'L' shaped
- DNone of the above
Show answer & explanation
Answer: A) Inverted 'U' shaped
Q148. If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication?
- AA license is required to cultivate that plant.
- BSuch a plant cannot be cultivated under any circumstances.
- CIt is a Genetically Modified crop plant.
- DSuch a plant is invasive and harmful to the ecosystem
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Answer: B) Such a plant cannot be cultivated under any circumstances.
Q149. Which among the following was the first 100 percent organic state in the World?
- AQueensland (Australia)
- BCalifornia (USA)
- CSikkim (India)
- DQuebec (Canada)
Show answer & explanation
Answer: C) Sikkim (India)
Q150. United States Climate Action Summit 2019 was held at which of the following cities?
- AParis
- BGeneva
- CDoha
- DNew York
Show answer & explanation
Answer: D) New York