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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 5
best

Ans 2:

Class : Class 9

Ans 3:

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 4:

Class : Class 4
B

Ans 5:

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

Ans 6:

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

Ans 7:

Class : Class 7
B

Ans 8:

Class : Class 6
b

Ans 9:

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 10:

Class : Class 5
B

Ans 11:

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 12:

Class : Class 2
confussing

Ans 13:

Class : Class 5
ans b

Ans 14:

Class : Class 7
Tricky , hard and somewhat funny .

Ans 15:

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

Ans 16:

Class : Class 6

Ans 17:

Class : Class 6
the answer is B

Ans 18:

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

Ans 19:

Class : Class 7
B is the answer to this question

Ans 20:

Class : Class 9

Ans 21:

Class : Class 8

Ans 22:

Class : Class 7
B is the answer to this question

Ans 23:

Class : Class 9
B

Ans 24:

Class : Class 9

Ans 25:

Class : Class 8

Ans 26:

Class : Class 8

Ans 27:

Class : Class 8
ANSWER IS B

Ans 28:

Class : Class 4
it should be D

Ans 29:

Class : Class 6
it is saying select the correct option for me

Ans 30:

Class : Class 5

Ans 31:

Class : Class 8

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