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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 4
it should be D

Ans 2:

Class : Class 8

Ans 3:

Class : Class 9
B

Ans 4:

Class : Class 4
B

Ans 5:

Class : Class 8

Ans 6:

Class : Class 7
Tricky , hard and somewhat funny .

Ans 7:

Class : Class 5
ans b

Ans 8:

Class : Class 7
B

Ans 9:

Class : Class 9

Ans 10:

Class : Class 6
b

Ans 11:

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

Ans 12:

Class : Class 9

Ans 13:

Class : Class 7
B is the answer to this question

Ans 14:

Class : Class 5
best

Ans 15:

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

Ans 16:

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

Ans 17:

Class : Class 5
B

Ans 18:

Class : Class 8

Ans 19:

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

Ans 20:

Class : Class 5

Ans 21:

Class : Class 9

Ans 22:

Class : Class 5

Ans 23:

Class : Class 8

Ans 24:

Class : Class 6
the answer is B

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 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 27:

Class : Class 2
confussing

Ans 28:

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 29:

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

Ans 30:

Class : Class 8
ANSWER IS B

Ans 31:

Class : Class 7
B is the answer to this question

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