CUET-UG SERIES Biology
Environmental Issues
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
2
2023 3
2022 Chapter Questions 5 MCQs
01
PYQ 2022
medium
biology ID: cuet-ug-
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:
1
2
3
4
02
PYQ 2022
medium
biology ID: cuet-ug-
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 :
1
Both Statement I and Statement II are correct
2
Both Statement I and Statement II are incorrect
3
Statement I is correct but Statement II is incorrect
4
Statement I is incorrect but Statement II is correct
03
PYQ 2022
medium
biology ID: cuet-ug-
Human activities like over cultivation, unrestricted grazing, deforestation and poor irrigation practices result into
1
Water Logging
2
Soil erosion and desertification
3
Biomagnification
4
Eutrophication
04
PYQ 2023
medium
biology ID: cuet-ug-
Match List I with List II
Choose the correct answer from the options given below :
List I | List II | ||
| A. | Green house gases | I. | Snow blindness |
| B. | Electrostatic precipitation | II. | Unleaded petrol |
| C. | Catalytic converter | III. | Thermal power plant |
| D. | UV_B radiation | IV. | Global warming |
Choose the correct answer from the options given below :
1
A-IV, B-III, C-II, D-I
2
A-IV, B-II, C-III, D-I
3
A-I, B-II, C-III, D-IV
4
A-IV, B-III, C-II, D-I
05
PYQ 2023
medium
biology ID: cuet-ug-
Identify the metal which is NOT used in catalytic converters.
1
Gold
2
Platinum
3
Rhodium
4
Palladium