National Science Olympiad Forum By SOF Olympiad Trainer - Page 539

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Subject :NSO    Class : Class 3

Ans 1:

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 2:

Class : Class 5

Ans 3:

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 4: (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 5:

Class : Class 4
The correct answer is A.

Ans 6:

Class : Class 4
a

Ans 7:

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

Ans 8:

Class : Class 8
SAIKARAN and kailash patra, you are right . SOF , check your book (if you have any left) .

Ans 9:

Class : Class 6
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.🦗

Ans 10:

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

Ans 11:

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

Ans 12:

Class : Class 8
answer should be A.

Ans 13:

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

Ans 14:

Class : Class 5

Ans 15:

Class : Class 7
Admin ka bacha it is a

Ans 16:

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

Ans 17:

Class : Class 3
But in the book its a

Ans 18:

Class : Class 3
rrrrrrrrrrrrriight for meee

Ans 19:

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

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
The correct option is B

Ans 3:

Class : Class 8
The correct option is B

Ans 4:

Class : Class 8
A

Ans 5:

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

Ans 6:

Class : Class 8
The correct option is B

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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 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 2:

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

Ans 3:

Class : Class 9
the answer is 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 4
Correct answer is D

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6

Ans 5:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 6
xccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 3:

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

Ans 4:

Class : Class 8
@Sudarshan its NOT INVOLVED

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
The answer is B!!!

Ans 2:

Class : Class 9
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" :)

Ans 3:

Class : Class 4
B

Ans 4:

Class : Class 7
B

Ans 5:

Class : Class 1
b

Ans 6:

Class : Class 7
i didn't understand the logic

Ans 7:

Class : Class 4
B

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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

Ans 1:

Class : Class 9
B

Ans 2:

Class : Class 10

Ans 3:

Class : Class 10
D

Ans 4:

Class : Class 9
B

Ans 5:

Class : Class 9
B

Ans 6:

Class : Class 10
D

Ans 7:

Class : Class 10
B

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10
the answer is 'b' .The plant cell does not burst in hypotonic solution because the plant cell wall exerts an equal pressure as exerted by the liquid in the cell.So this prevents it from bursting but after sometimes, the plant cell will burst.

Ans 2:

Class : Class 10

Ans 3:

Class : Class 9
answer is "b"

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