This chapter is currently out of syllabus
1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
What will happen if fresh water lake gets contaminated by addition of polluted water with high BOD?
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Match List-I with List-II.
| List - I | List - II | ||
|---|---|---|---|
| (A) | Deforestation | (I) | Responsible for heating of Earth's surface and atmosphere |
| (B) | Reforestation | (II) | Conversion of forested areas to non-forested areas |
| (C) | Green-house effect | (III) | Natural ageing of lake by nutrient enrichment of its water |
| (D) | Eutrophication | (IV) | Process of restoring a forest that once existed but was removed |
Choose the correct answer from the options given below :
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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 dissolved oxygen.
(D) Both BOD and dissolved oxygen are indicator of health of a water body.
(E) Both BOD and dissolved oxygen are affected by amount of organic matter in the water body.
Choose the most appropriate answer from the options given below :
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The thickness of ozone in a column of air in the atmosphere is measured in terms of :
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