National Science Olympiad Forum By SOF Olympiad Trainer - Page 597

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Subject :NSO    Class : Class 5

Ans 1:

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

Ans 2:

Class : Class 8
ANSWER IS B

Ans 3:

Class : Class 8

Ans 4:

Class : Class 9

Ans 5:

Class : Class 6
the answer is B

Ans 6:

Class : Class 9

Ans 7:

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

Ans 8:

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

Ans 9:

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 10:

Class : Class 2
confussing

Ans 11:

Class : Class 9
B

Ans 12:

Class : Class 8

Ans 13:

Class : Class 8

Ans 14:

Class : Class 7
B is the answer to this question

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 4
it should be D

Ans 17:

Class : Class 6
b

Ans 18:

Class : Class 5

Ans 19:

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 20:

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

Ans 21:

Class : Class 4
B

Ans 22:

Class : Class 5
B

Ans 23:

Class : Class 8

Ans 24:

Class : Class 5
ans b

Ans 25:

Class : Class 7
Tricky , hard and somewhat funny .

Ans 26:

Class : Class 7
B is the answer to this question

Ans 27:

Class : Class 7
B

Ans 28:

Class : Class 9

Ans 29:

Class : Class 5

Ans 30:

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

Ans 31:

Class : Class 5
best

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 8
question is about sealed glass box,so there is no supply of oxygen,hence answer is 'a' only.

Ans 2:

Class : Class 5

Ans 3:

Class : Class 9
answer should be A.

Ans 4:

Class : Class 4
The correct answer is A.

Ans 5:

Class : Class 4
Without air(oxygen) the grasshopper will die even food or water is given,so answer is A.

Ans 6:

Class : Class 6
In the book it is given a as answer, then why b in trainer why why why?

Ans 7:

Class : Class 3
But in the book its a

Ans 8:

Class : Class 5
no lack of food and air we die

Ans 9:

Class : Class 9
SAIKARAN and kailash patra, you are right . SOF , check your book (if you have any left) .

Ans 10:

Class : Class 4
If it is food then grasshopper will die after 2,3 days but it is writen after some times so it is a

Ans 11:

Class : Class 3
awnser will be A because air is mch important then food and water.

Ans 12:

Class : Class 4
a

Ans 13:

Class : Class 7
Admin ka bacha it is a

Ans 14: (Master Answer)

Class : Class 1
Here, the answer is B. Air, water and food are necessary for the survival of any living organism. So, in the absence of any one of these components an organism cannot survive. Hence, the grasshopper died due to the lack of air and food, although water was provided.

Ans 15:

Class : Class 4
there are 3 things needed in life air water and food without air we die in minutes without water we die in hours without food we die in days in the picture it is given as water is given to grasshopper and in question it is given as the grasshopper is in sealed and died after some time only so no food and air is given but as i told after some time grasshopper will die due to lack of air only ans sof you can check your mtg workbook also .

Ans 16:

Class : Class 5

Ans 17:

Class : Class 3
rrrrrrrrrrrrriight for meee

Ans 18:

Class : Class 4
many questions are wrong sof some children will think that is only correct and get less marks due to your fault .

Ans 19:

Class : Class 8
Air , water and food are essential for living things to survive on Earth. Therefore, in the absence of anyone of these an organism will die. Hence, the the grasshopper will die in the absence of air and food although water was provided in the sealed glass tank. Hence, option(b) is the correct answer.🦗

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
The correct option is B

Ans 2:

Class : Class 8
A

Ans 3:

Class : Class 8
The correct option is B

Ans 4:

Class : Class 8
The right one is option 'A'-30 mins

Ans 5:

Class : Class 8
The correct option is B

Ans 6:

Class : Class 8

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Due to deficiency of Calcium.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
the answer is C

Ans 2:

Class : Class 10
No, the answer for this is C and D .reason for answer D is excess of food leads to loss of nutrients especially Vitamin C. answer C because it is necessary to preserve pulses, grains otherwise they will rot.

Ans 3:

Class : Class 8
No, i think it's c

Ans 4:

Class : Class 6
Answer should be C as excess food is wastage.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7
sorry for my wrong answer

Ans 3:

Class : Class 7

Ans 4:

Class : Class 5
Correct answer is D

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7
b can also be the answer

Ans 7:

Class : Class 7
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 8:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7
monibuvxrzghjbhjfcdgbnmbhcthjhvvuuuvuuvuvvvuvvuvvuuvvuvuvvjo;kkkk

Ans 3:

Class : Class 8
@Sudarshan its NOT INVOLVED

Ans 4:

Class : Class 6
xccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 5:

Class : Class 6
It's all of these not none of these.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
B

Ans 2:

Class : Class 7
The answer is B!!!

Ans 3:

Class : Class 1
b

Ans 4:

Class : Class 4
B

Ans 5:

Class : Class 7
i didn't understand the logic

Ans 6:

Class : Class 4
B

Ans 7:

Class : Class 10
It was a very tricky question at the moment , but when you see the logic , you think "GOSH how come i could not work out the logic of this question , me , the expert al solving logical reasoning" :)

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
the answer is c means dehydration

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Subject :NSO    Class : Class 9

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