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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 2
confussing

Ans 2:

Class : Class 7
B is the answer to this question

Ans 3:

Class : Class 6
b

Ans 4:

Class : Class 8

Ans 5:

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

Ans 6:

Class : Class 5

Ans 7:

Class : Class 4
B

Ans 8:

Class : Class 9

Ans 9:

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

Ans 10:

Class : Class 9

Ans 11:

Class : Class 5
B

Ans 12:

Class : Class 4
it should be D

Ans 13:

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

Ans 14:

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

Ans 15:

Class : Class 5
best

Ans 16:

Class : Class 6

Ans 17:

Class : Class 9

Ans 18:

Class : Class 6
the answer is B

Ans 19:

Class : Class 7
B is the answer to this question

Ans 20:

Class : Class 8
ANSWER IS B

Ans 21:

Class : Class 8

Ans 22:

Class : Class 7
Tricky , hard and somewhat funny .

Ans 23:

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

Ans 24:

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 25:

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 26:

Class : Class 7
B

Ans 27:

Class : Class 9
B

Ans 28:

Class : Class 8

Ans 29:

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 30:

Class : Class 8

Ans 31:

Class : Class 5
ans b

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