National Science Olympiad Forum By SOF Olympiad Trainer - Page 674

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7
i gave the correct answer but in the result they are showing that it is wrong.it is the same case with some other questions too.Please make a note that you correct it,thank you.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
The answer is D because the stapler is the odd one out

Ans 2:

Class : Class 5
yes because the stapler is a third class lever

Ans 3:

Class : Class 9

Ans 4:

Class : Class 3
D

Ans 5:

Class : Class 10

Ans 6:

Class : Class 7

Ans 7:

Class : Class 6
What is type of Option A?

Ans 8:

Class : Class 5
Yes option d is correct

Ans 9:

Class : Class 6
according to Google stapler is a third-class lever

Ans 10:

Class : Class 6
option D is correct because stapler is 3rd class lever

Ans 11:

Class : Class 5

Ans 12:

Class : Class 7
Stapler ( option D ) is the odd one out as it is a third class lever i.e. effort is between the load and fulcrum .

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3

Ans 2:

Class : Class 5
I was thinking about body building food

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 9
The correct answer is B because manure is soluble in water but it is absorbed very slowly

Ans 3:

Class : Class 8
A

Ans 4: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 5:

Class : Class 8
A

Ans 6:

Class : Class 10
it is A as fertilizers are soluble in water. You might have heard that fertilizers flow into the river and cause eutrophication it flows into river because it is soluble in water

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
i m not getting the answer

Ans 2:

Class : Class 8
D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10
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Ans 2:

Class : Class 6
it should be t/21

Ans 3:

Class : Class 9

Ans 4:

Class : Class 7
I agree with you

Ans 5:

Class : Class 4
yes I also agree with you

Ans 6:

Class : Class 8
it should be t/10 only as during time period the pendulum will pass through the point y twice.so the time period will be t/10

Ans 7:

Class : Class 6

Ans 8:

Class : Class 6
throughout the time period or the 21 swings the pendulum will pass through the point Y 21 times. so the answer is B(t/21)

Ans 9:

Class : Class 8
Hi The Answer is T/10Sub To my YT:SkyPeRtan Wolf

Ans 10:

Class : Class 8
it should be t/10 only as during time period the pendulum will pass through the point y twice.so the time period will be t/10

Ans 11:

Class : Class 6
It should be T/21 only as T is the total time and no of times it passes Y is 21.Therefore the answer is T/21

Ans 12:

Class : Class 8
Here, in this example, the pendulum passes through y 21 times. So, it will do 10 complete oscillations and 1 half which is basically touching y. Therefore, the time period of the pendulum is T/10.

Ans 13:

Class : Class 8

Ans 14:

Class : Class 7
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Ans 15:

Class : Class 9
Yes it should be t/10 as the pendulum will pass through point y twice in its one revolution...... so the the time period should be t/10

Ans 16:

Class : Class 8
it should be t/10 only as during time period the pendulum will pass through the point y twice.so the time period will be t/10

Ans 17:

Class : Class 3
The answer is right - it should be T/10

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 6
gas to solid is deposition and opposite is sublimation ans wrong

Ans 3:

Class : Class 9
In process v, actually sublimation takes place

Ans 4:

Class : Class 7
easy

Ans 5:

Class : Class 6
The answer is not B

Ans 6:

Class : Class 7
The answer can be B and D both.

Ans 7:

Class : Class 7
I also agree with all of you . That's just impossible, I guess.

Ans 8:

Class : Class 7
it is a direct change, so it does have to turn into liquid state

Ans 9:

Class : Class 7
NA

Ans 10:

Class : Class 7
Guys you are wrong process name is deposition but you need to cool it to water then freeze it

Ans 11:

Class : Class 9
Answer is B because to turn Water vapour into ice you need Deposition but water vapour cannot be deposited that is why you first need to turn the water vapour to water by condensation and then to convert water to ice you need freezing . Hence answer B is correct

Ans 12:

Class : Class 6
How in processes v condensation came?

Ans 13:

Class : Class 7
easyyyyyyyyy

Ans 14:

Class : Class 6
We can express process v as deposition and how did condensation and freezing get involved

Ans 15:

Class : Class 6

Ans 16:

Class : Class 2

Ans 17:

Class : Class 7
same

Ans 18:

Class : Class 2

Ans 19:

Class : Class 8
I ALSO AGREE WITH YOU ALL

Ans 20:

Class : Class 6
I do agree with Bhabani prasad

Ans 21:

Class : Class 7
ya

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
The answer is C

Ans 2:

Class : Class 5
The answer is C

Ans 3:

Class : Class 7

Ans 4:

Class : Class 8
The correct ans is option C because electrostatic force is a non contact force which is similar to magnetic force and the comb is like a magnet and tin pieces of paper are like the metal here (So the comb will attract the tiny pieces of paper).

Ans 5:

Class : Class 6
it can also be said as static electricity

Ans 6:

Class : Class 7
I prefer option C

Ans 7:

Class : Class 7
yup

Ans 8:

Class : Class 5
C

Ans 9:

Class : Class 5
Class :C

Ans 10:

Class : Class 6
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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
The answer is D.

Ans 2:

Class : Class 7
This is impossible because a cow has four legs not 6 legs and also it has two eyes not one eye and those two eyes are not on the forehead

Ans 3:

Class : Class 5
forehead? hahahahahahahahah

Ans 4:

Class : Class 8
If the animal really existed it would have belonged to the same group as cow.

Ans 5:

Class : Class 4

Ans 6:

Class : Class 9

Ans 7:

Class : Class 8
this question makes no sense . 6 legs-can be an insect , eye on his forehead???

Ans 8:

Class : Class 8
Mammals do not have 3 eyes

Ans 9:

Class : Class 2

Ans 10:

Class : Class 5
I thought this could be an insect as it HAS SIX LEGS. And some spiders( I know they are not insects ) have more than two eyes so it could be possible that the correct answer is b. But it has fur and is feeding its young one milk so the answer should be d

Ans 11:

Class : Class 8
Mammals do not have 3 eyes

Ans 12:

Class : Class 4
how can we tell what group is that animal if that doesn't exist

Ans 13:

Class : Class 5
It can't be D as they do not have six legs. no option is correct. I will report error for it is NOOT D

Ans 14:

Class : Class 5
ans is DBECAUSE IT IS A IMAGINARY ANIMAL

Ans 15:

Class : Class 7
Idiots, the monster fed milk to its young, a feature seen only in Mammals

Ans 16:

Class : Class 5
I can say that they have fur but they don't have 6 legs and 1 eye on the forehead

Ans 17:

Class : Class 4

Ans 18:

Class : Class 9
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Ans 19:

Class : Class 9
The answer is D. Hair on skin and breast feeding the young ones are characteristic of mammals such as cow. So, if really existed, this animal would have been placed with cow.

Ans 20:

Class : Class 6
mammals do not have 6 legs and has more han 1 eye!

Ans 21:

Class : Class 7
IDIOTS just listen to them or maybe they are wrong

Ans 22:

Class : Class 4
If this animal really existed it would have to be a monster that would eat us

Ans 23:

Class : Class 5
Yes but in the question it said that the animal was imanginative can't believe what type of an animal it was.

Ans 24:

Class : Class 9
All report an error they give all wrong only

Ans 25:

Class :
Ans is D

Ans 26:

Class : Class 7
This is impossible cow only as four legs and two eyes and those two are not on the forehead

Ans 27:

Class : Class 8
Is cow have 6 legs and 1 eye on its forehead

Ans 28:

Class : Class 5
Firstly , mammals do not have three eyes, secondly which mammal has six legs ???????????

Ans 29:

Class : Class 5
Ans D ( Cow)

Ans 30:

Class : Class 5
The answer is D

Ans 31:

Class : Class 7
As this question is already wrong a mammal can not have 6 legs.

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