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Environmental Issues is an important topic in the Biology section in CUET exam. Practising this topic will increase your score overall and make your conceptual grip on CUET exam stronger.
This article gives you a full set of CUET PYQs for Environmental Issues with explanations for effective preparation. Practice of CUET Biology PYQs including Environmental Issues questions regularly will improve accuracy, speed, and confidence in the CUET 2026 exam.
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CUET PYQs for Environmental Issues with Solutions
1.
Choose the correct options from the following statements related to India's stand on environmental issues.
(A) India signed and ratified the kyoto protocol in 2005
(B) India's International negotiating position relies heavily on the principles of historical responsibility as ensured in UNFCCC
(C) India's Auto Fuel Policy mandates cleaner fuels for vehicles.
(D) India ratified the Paris Climate agreement on 2nd Oct.. 2020
Choose the correct answer from the options given below:
- (B) and (C)
- (A), (B) and (C)
- (A) and (C)
- (B), (C) and (D)
2.
Arrange the stages of biomagnification of DDT.
(A) Fish eating birds (PPT 25 PPm)
(B) Small fish (DDT 0.5 PPm)
(C) Zooplankton (DDT 0.04 PPm)
(D) Water (DDT 0.003 PPm)
(E) Large fish (DDT 2 PPm)
Choose the correct answer from the options given below:\((B)→(C)→(E)→(A)→(D)\)
\((D)→(C)→(B)→(E)→(A)\)
\((D)→(B)→(C)→(E)→(A)\)
\((E)→(D)→(B)→(C)→(A)\)
3.
Human activities like over cultivation, unrestricted grazing, deforestation and poor irrigation practices result into- Water Logging
- Soil erosion and desertification
- Biomagnification
- Eutrophication
4.
Given below are two statements :
Statement I: Ladybird and Dragonflies are useful to get rid of aphids and mosquitoes. Trichoderma fungus are effective bio control agents of several plant pathogens.Statement II: The biological control of plant diseases and pest can control increasing use of insecticides and pesticides, thus saving our environment from being getting polluted.In the light of the above statements, choose the most appropriate answer from the options given below :
Both Statement I and Statement II are correct
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
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