Environmental Issues PYQs - Last 5 Years
NEET / Biology / Botany / 21 recent questions
BiologyBotany2019-2023
Practice 21 NEET Biology questions from Environmental Issues. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
21
PYQs on Page
Biology / Botany
2019-2023
Year Range
Based on indexed question metadata
21
Last 5 Years
2019-2023
21
Last 10 Years
2014-2023
Recent Year Trend
2019
2020
2021
2022
2023Latest year
20197 max PYQs/year2023
Question Types
21PYQs
MCQ100%
Difficulty Mix
#1 Unknown15
#2 Easy6
21 in last 5 years21 in last 10 years
Last 5 Years Environmental Issues Questions
Showing 21 of 21 filtered questions.
1Environmental Issues
Select the correct statements regarding dissolved
Oxygen and Biochemical Oxygen Demand.
(A) BOD is inversely related to dissolved oxygen.
(B) Low dissolved oxygen and high BOD lead to
loss of aquatic life.
(C) High BOD leads to high...
Oxygen and Biochemical Oxygen Demand.
(A) BOD is inversely related to dissolved oxygen.
(B) Low dissolved oxygen and high BOD lead to
loss of aquatic life.
(C) High BOD leads to high...
MCQ+4 / -12023
2Environmental Issues
Match List-I with List-II.
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overflow:hidden;padding:10px 5px;word-break:normal;}...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}...
MCQ+4 / -12023
3Environmental Issues
What will happen if fresh water lake gets contaminated by addition of polluted water with high BOD?
MCQ+4 / -12023
4Environmental Issues
Nitrates and phosphates flowing from agricultural farms into water bodies are a significant cause of :
MCQ+4 / -12023
5Environmental Issues
Given below are two statements:
Statement I: Electrostatic precipitator is most widely used in thermal power plant.
Statement II : Electrostatic precipitator in thermal power plant removes ionising radiations.
In the light of the above stat...
Statement I: Electrostatic precipitator is most widely used in thermal power plant.
Statement II : Electrostatic precipitator in thermal power plant removes ionising radiations.
In the light of the above stat...
MCQ+4 / -12023
6Environmental Issues
Which of the following statements is correct?
MCQ+4 / -12023
7Environmental Issues
The thickness of ozone in a column of air in the atmosphere is measured in terms of :
MCQ+4 / -12023
8Environmental Issues
Why CNG is considered better fuel than diesel?
(a) It can not be adulterated.
(b) It takes less time to fill the fuel tank
(c) It burns more efficiently.
(d) It is cheaper.
(e) It is less inflammable.
Choose the most appropriate answer from...
(a) It can not be adulterated.
(b) It takes less time to fill the fuel tank
(c) It burns more efficiently.
(d) It is cheaper.
(e) It is less inflammable.
Choose the most appropriate answer from...
MCQ+4 / -12022
9Environmental Issues
Given below are two statements:
Statement I : In a scrubber the exhaust from the thermal plant is passed through the electric wires to charge the dust particles.
Statement II : Particulate matter (PM 2.5) cannot be removed by scrubber but c...
Statement I : In a scrubber the exhaust from the thermal plant is passed through the electric wires to charge the dust particles.
Statement II : Particulate matter (PM 2.5) cannot be removed by scrubber but c...
MCQ+4 / -12022
10Environmental Issues
The entire fleet of buses in Delhi were converted to CNG from diesel. In reference to this, which one of the following statements is false?
MCQ+4 / -12022
11Environmental Issues
The device which can remove particulate matter present in the exhaust from a thermal power plant is:
MCQ+4 / -12022
12Environmental Issues
Dobson units are used to measure thickness of :
MCQ+4 / -12021
13Environmental Issues
Snow-blindness in Antarctic region is due to
MCQ+4 / -12020
14Environmental Issues
In water hyacinth and water lily, pollination
takes place by :
takes place by :
MCQ+4 / -12020
15Environmental Issues
Montreal protocol was signed in 1987 for
control of
control of
MCQ+4 / -12020
16Environmental Issues
Which of the following pairs of gases is mainly responsible for green house effect?
MCQ+4 / -12019
17Environmental Issues
Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from
respiratory disorder causing wheezing due to :
respiratory disorder causing wheezing due to :
MCQ+4 / -12019
18Environmental Issues
Which one of the following equipments is essentially required for growing microbes on a large scale, for
industrial production of enzymes?
industrial production of enzymes?
MCQ+4 / -12019
19Environmental Issues
Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for :
MCQ+4 / -12019
20Environmental Issues
Which of these following methods is the most suitable for disposal of nuclear waste?
MCQ+4 / -12019
21Environmental Issues
Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?
MCQ+4 / -12019