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Subject :NSO    Class : Class 5

Select the incorrect statement regarding water pollution.

A Suspended impurities make water less transparent causing death of submerged aquatic plants.
B Polluted water can cause diseases like typhoid, cholera and diabetes.
C Pollution decreases dissolved oxygen content of water.
D Agricultural runoff pollutes water by adding pesticides and fertilisers into it.


Ans 1:

Class : Class 7
B

Ans 2:

Class : Class 9

Ans 3:

Class : Class 7
Tricky , hard and somewhat funny .

Ans 4:

Class : Class 5

Ans 5:

Class : Class 6
b

Ans 6:

Class : Class 9
B

Ans 7:

Class : Class 4
not B for sure as diabetes is not caused due to water pollution

Ans 8:

Class : Class 5
it is saying select the correct option for me

Ans 9:

Class : Class 6
the answer is B

Ans 10:

Class : Class 4
B

Ans 11:

Class : Class 5
how is diabetes caused through dirty or polluted water?

Ans 12:

Class : Class 9
How is it B, we are just learning in school abt germs and diseases and it doesn’t say anything abt diabetes caused by polluted, this is answer is wrong

Ans 13:

Class : Class 5

Ans 14:

Class : Class 4
it should be D

Ans 15:

Class : Class 9
It is B as the question is "Select the INCORRECT option"Diabetes is not cased by water pollution so the answer is B

Ans 16:

Class : Class 8

Ans 17:

Class : Class 8

Ans 18:

Class : Class 5
best

Ans 19:

Class : Class 5
B

Ans 20:

Class : Class 8

Ans 21:

Class : Class 5
ans b

Ans 22:

Class : Class 8
ANSWER IS B

Ans 23:

Class : Class 6
I KNEW ABOUT TYPHOID AND CHOLERA BUT I didn't Knew about diabetes

Ans 24:

Class : Class 9

Ans 25:

Class : Class 5
The answer is D A-It is false B- Typhoid and cholera are caused by polluted water, but diabetes isnt. C- It is true that organic and inorganic pollutants cause dissolved oxygen level to decrease D- Agricultural runoffs can contaminate both groundwater and surface water

Ans 26:

Class : Class 7
B is the answer to this question

Ans 27:

Class : Class 8

Ans 28:

Class : Class 2
confussing

Ans 29:

Class : Class 8
The question says choose the 'Incorrect' option

Ans 30:

Class : Class 7
B is the answer to this question

Ans 31:

Class : Class 9

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