National Science Olympiad Forum By SOF Olympiad Trainer - Page 681

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 9

Ans 3:

Class : Class 8
Hi, the statement 2 is true but just tells about the type type combustion to which the reaction given in statement belong. it does not tell about actual cause of burning of phosphorus in air at room temperature. the reason for statement 1 is that phosphorus is a highly reactive element that's why burns in air at room temperature.

Ans 4:

Class : Class 8
Actually, the solution is opposite to the correct answer

Ans 5:

Class : Class 8

Ans 6:

Class : Class 5

Ans 7:

Class : Class 9

Ans 8:

Class : Class 8
the soultion is wrong beacuse the literal defination of spontaneous combustion tells us that it happens at room temprature without application of heat by external source

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Why so? In both the cases soybean is present.

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
The protein requirement of mustard is fulfilled by the ribozome present in root nodules of soyabean?

Ans 4:

Class : Class 8
Think in the way of leguminous crops

Ans 5:

Class : Class 9
Both Wheat and Maize require rotation of crops.

Ans 6:

Class : Class 9

Ans 7:

Class : Class 6
yeah right Triguna!!! in both cases soybean is present? why so?

Ans 8:

Class : Class 9
Supposed to be only ABecause mustard is a non leguminous plantEven it can be rotated with soyabean

Ans 9:

Class : Class 8

Ans 10:

Class : Class 9

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
I typed in c. What is this?

Ans 2:

Class : Class 10
They did not give options so that is why it went wrong. these kind of incidents happen very frequently in SOF

Ans 3:

Class : Class 6
they MUST and SHOULD be more CAREFUL. No options??? Then, how should we answer their question??? they take no actions! look:-a person has commented a year ago but?NO RESPONSE

Ans 4:

Class : Class 9
my laptop din't provide the options

Ans 5:

Class : Class 7
Want option!

Ans 6:

Class : Class 6
They're not even giving me options

Ans 7:

Class : Class 9
they did not give options

Ans 8:

Class : Class 6
They did not provide options on my laptop but option C is correct.

Ans 9:

Class : Class 9

Ans 10:

Class : Class 10
NO OPYIONS!

Ans 11:

Class : Class 9

Ans 12:

Class : Class 9
they didnt give the options

Ans 13:

Class : Class 10
they didn't given on question page so all my friends and I missed that question

Ans 14:

Class : Class 8
they didn't give the options to my computer

Ans 15:

Class : Class 6
they should be more careful

Ans 16:

Class : Class 10
They did not give the options on my iPad so I couldn't see which was the correct ans. something needs to be done about this problem.

Ans 17:

Class : Class 10
I got the question with the options in my laptop. For those who did not get the options : it is the website's fault

Ans 18:

Class : Class 7
They didn't give options

Ans 19:

Class : Class 6
They did not give options on my ipad .

Ans 20:

Class : Class 6
No options

Ans 21:

Class : Class 6
options are missing

Ans 22:

Class : Class 6
The shadow will be whole black as the book is an opaque object and will not allow any light to pass through it so on the screen it will form a shadow. And the rest that is the ring, no light will reach it thus how can its shadow be formed?

Ans 23:

Class : Class 10
no options

Ans 24:

Class : Class 10
iT IS NOT LAPTOP'S MISTAKE IT IS THE WEBSITE'S MISTAKE ITSELF.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
c

Ans 2:

Class : Class 8

Ans 3:

Class : Class 7
c and d are both the answers i think

Ans 4:

Class : Class 4
C

Ans 5:

Class : Class 7
Answer should be C and D.

Ans 6:

Class : Class 6
Option D

Ans 7:

Class : Class 4
ACTUALLY I DISAGREE WTH my PAST SELF SAYING c IT IS d

Ans 8:

Class : Class 5
D is correct

Ans 9:

Class : Class 9
B C D is the answers

Ans 10:

Class : Class 9
B,Care correct as they can not do photosynthesis , uses his leaves to catch food

Ans 11:

Class : Class 10
d

Ans 12:

Class : Class 4
Correct answer is C

Ans 13:

Class : Class 9
I think Dalso

Ans 14:

Class : Class 4
c

Ans 15:

Class : Class 10
correct ans is C

Ans 16:

Class : Class 7
THE CORRECT ANSWER IS D BECAUSE THEY NEED TO OVERCOME DEFICIENCY OF NITROGEN

Ans 17:

Class : Class 5
Correct answer is D.Because insectivores plants can photosynthesise.

Ans 18:

Class : Class 9
the correct answer should be C

Ans 19:

Class : Class 7

Ans 20:

Class : Class 4
Its just sooo Confusing Tel the logi I dont understand!!

Ans 21:

Class : Class 6
This is actually multiple Answer Q.It is silly!!!

Ans 22:

Class : Class 8
Correct answer is, C

Ans 23:

Class : Class 4

Ans 24:

Class : Class 6
Yes, it is a multiple answer question.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
U

Ans 2:

Class : Class 3
U

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
option c is correct

Ans 2:

Class : Class 5
yes. Gauri Singh is right . option c is right .

Ans 3:

Class : Class 8

Ans 4:

Class : Class 5
On page 75 of "Learning Science for Smarter Life" for class V it is mentioned that person should sit down and lean forward. It also says to pinch the nose.All answer choices of this question are therefore incorrect.

Ans 5:

Class : Class 9
Yes,In the book it is said that the patient should be made sit and lean forward not backward and patient should be told to pinch the sides of the nose together. So the answer should be C.

Ans 6:

Class : Class 6
Answer B is right because if you refer to the 4th grade book, the first point written is to tilt your your head back

Ans 7:

Class : Class 9
i agree with Gauri Singh and Kashvi Sharma

Ans 8:

Class : Class 7
Option C is correct

Ans 9:

Class : Class 10
Option C is right

Ans 10:

Class : Class 7
option c is correct

Ans 11:

Class : Class 6
option b is correct because by sitting with his head facing up wards would take the blood flow downside

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
the answer should "a" as acclimatisation not adaptation

Ans 2:

Class : Class 8
the answer should "a" as acclimatisation not adaptation

Ans 3:

Class : Class 8
the answer should "a" as acclimatisation not adaptation

Ans 4:

Class : Class 8
the answer should "a" as acclimatisation not adaptation

Ans 5:

Class : Class 4
Acclimatization and adaptation mean two totally different things. Adaptation means permanent adjustment to our habitat whereas acclimatization means temporary adjustment to a place where we temporarily stay for some time and get used to. In my opinion, option A is the right answer.

Ans 6:

Class : Class 8
the answer should "a" as acclimatisation not adaptation

Ans 7:

Class : Class 4

Ans 8:

Class : Class 8
the answer should "a" as acclimatisation not adaptation

Ans 9:

Class : Class 8
the answer should "a" as acclimatisation not adaptation

Ans 10:

Class : Class 6
The answer is A. You should Read the book twice again. But even then also you think that the answer is B than the book is a spam. Adaptation is the permanent feature of an organism which helps it to survive in its habitat, while acclimatisation is a temprory feature or change in feature of an organism which helps it to survive in any other place rather than its habitat......................................................................

Ans 11:

Class : Class 8
the answer should "a" as acclimatisation not adaptation

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
answer is B

Ans 2:

Class : Class 7
it is the wrong answer if everybody start replying the answer is wrong,so the heads might change it.

Ans 3:

Class : Class 4

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
No.it has muscle like organs which produces a slimy substance on which the snail moves on using bristles situated under its body

Ans 2:

Class : Class 7
Answer is c

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