National Science Olympiad Forum By SOF Olympiad Trainer - Page 684

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
C is correct

Ans 2:

Class : Class 4
b is correct shivan dpga

Ans 3:

Class : Class 8
how is B correct??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 4:

Class : Class 4
B is the answer

Ans 5:

Class : Class 8

Ans 6:

Class : Class 8

Ans 7:

Class : Class 8
llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll

Ans 8:

Class : Class 4
B is the answer because bubbles are melting inside a pack cointanier so that procces is called as condenstation.

Ans 9:

Class : Class 8
lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllkkkkkkkkk

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 2

Ans 2:

Class : Class 5
thanks Jaya Shree

Ans 3:

Class : Class 4
B

Ans 4:

Class : Class 3
The answer is b

Ans 5:

Class : Class 2
its b

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
D IS THE ANSWER

Ans 2:

Class : Class 4
D is the correct answer

Ans 3:

Class : Class 4
the ans is D overgrazing

Ans 4:

Class : Class 5

Ans 5:

Class : Class 5
No doubt it is D ( A - EmbankmentB- Terrace FarmingC- Afforestation D - Overgrazing )( Others prevent soil erosion )

Ans 6:

Class : Class 8
its [d] -overgrazing

Ans 7:

Class : Class 4

Ans 8:

Class : Class 4
why option d that is overgrazing.... why not Terrace farming that is b

Ans 9:

Class : Class 9
D is correct as when you will unscramble the other options all of them prevent soil erosion but D will not (A-embankments B-terrace farming C-afforestation D-overgrazing).....😄

Ans 10: (Master Answer)

Class : Class 1

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 6

Ans 2:

Class : Class 8
Mr. Admin from revisewise, Noida, please include an explanation for your answer, A.You have, also, not provided a solution for this.

Ans 3:

Class : Class 8
I would like to know what is the logic behind option (A) being the correct answer too.

Ans 4:

Class : Class 9
What is the explanation or the solution for A?

Ans 5:

Class : Class 8
But what if s the pattern.

Ans 6:

Class : Class 8

Ans 7:

Class : Class 6
what is the explanation for A

Ans 8:

Class : Class 10
count the lines and toatal horizontally. its 10 for first row, 12 for second and must be 14 for third, making it figure with 4 lines that is A as correct option.

Ans 9:

Class : Class 7
What is the explanation for it being A?

Ans 10: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
It should be B only .

Ans 2:

Class : Class 6
I do with Harsh Sobti.

Ans 3:

Class : Class 6
The answer is (a) because when the full moon and new moon are there then the sun, earth and moon are aligned and the sun is also pulling at the sea forming big tides.

Ans 4:

Class : Class 5
how is it b, it should be a

Ans 5:

Class : Class 7

Ans 6:

Class : Class 10
It is (A)

Ans 7:

Class : Class 5
d and h are only the answers..

Ans 8:

Class : Class 7
B is the answer to this question

Ans 9:

Class : Class 10
Look at the diagram.........the faces of moon closest to the earth are D and H, hence the suitable solution is A

Ans 10:

Class : Class 8

Ans 11:

Class : Class 10
Phases D and H are suitable. Or not?😄

Ans 12:

Class : Class 9
Answer is B only.

Ans 13:

Class : Class 8
Class:It should be A

Ans 14:

Class : Class 7
B

Ans 15:

Class : Class 9
It is a fact that the highest tides occur when the moon is full or new. In the diagram, the positions F and J are the full moons and new moons, so the correct answer should be B

Ans 16:

Class : Class 5

Ans 17:

Class : Class 5
the correct option is b

Ans 18:

Class : Class 9
Even I think it is A

Ans 19:

Class : Class 9
Ohh yeah,, it is A

Ans 20:

Class : Class 9
Bbbbbbb!

Ans 21:

Class : Class 10

Ans 22:

Class : Class 5
i have done this question and they are showing b

Ans 23:

Class : Class 9
just because we can see the whole moon during a full moon dosen't mean that on that day there will be the greatest tides as the moon dosen't cut itself into half on 1st and 3rd quarter. So, the answer must depend on the distance of the moon from the earth as the gravitational pull of the moon will have more effect when it is closer to earth and will raise bigger tides. The moon is closest to earth at phases D and H. So, clearly the answer should be A

Ans 24:

Class : Class 9

Ans 25:

Class : Class 7

Ans 26:

Class : Class 8
It is B. Don't go on the picture. Full and new moon are always closer to Earth.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10
the answer should be option d

Ans 2:

Class : Class 10
the answer should be option d

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 6
How is it a?

Ans 2:

Class : Class 8
Answer should be D only . There is low pressure at the equator and at 60 degree north and south pole

Ans 3:

Class : Class 7
it has to be d

Ans 4:

Class : Class 9
D is answer as low pressure exists both in equator and 60° lattitude

Ans 5:

Class : Class 9
Please correct the answer. I think the answer should be D.

Ans 6:

Class : Class 6
yes, the correct answer is D since there are two belts of low pressure on the earth. on the equator (due to high temperature) and between the two belts of high pressure (60 degrees North and South. ). A cannot be the correct answer.

Ans 7:

Class : Class 9
it should be d

Ans 8:

Class : Class 8
the answer cannot be a....it is d

Ans 9:

Class : Class 9
D. At the equator and at 60 degree north and south pole

Ans 10:

Class : Class 6
The answer is D as low pressure exists in both equator and 60 degree north and south.

Ans 11:

Class : Class 9
The answer should be D.

Ans 12:

Class : Class 8
A.at the equator only

Ans 13:

Class : Class 3
It is d

Ans 14:

Class : Class 8
answer is D why have they written A . A is the wrong answer

Ans 15:

Class : Class 9
'tis D

Ans 16:

Class : Class 7
answer should be D

Ans 17:

Class : Class 9
DDDDDD!! Olympiad Trainer pls check and give the correct answer!!

Ans 18:

Class : Class 7
It has to be D

Ans 19:

Class : Class 6
How is it a?

Ans 20:

Class : Class 4

Ans 21:

Class : Class 3
It is D for sure

Ans 22:

Class : Class 7
It should be d if referred to any books in this world

Ans 23:

Class : Class 7
The correct answer of this question Is option d

Ans 24:

Class : Class 9
if you are showing this answer wrong in Olympiad training paper and if we get the same question in examination which answer will be accepted as correct?

Ans 25:

Class : Class 9
at equator only

Ans 26:

Class : Class 8
it should be D

Ans 27:

Class : Class 10
Its D Peeps from SOF. Check ur ansers

Ans 28:

Class : Class 9
Both the science and geography textbooks of NCERT state that there is low pressure at 60 degree North and South also. So, the answer is D.

Ans 29:

Class : Class 5
It should be D, as per the SOF Foundation Text.

Ans 30:

Class : Class 8
answer definitely option d

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 9
isnt penicillin prepared from mould?

Ans 3:

Class : Class 8
a

Ans 4:

Class : Class 9

Ans 5:

Class : Class 10
penicillin is prepared from mould,penicillium notatum and penicillium chrysogenum

Ans 6:

Class : Class 8

Ans 7:

Class : Class 6

Ans 8:

Class : Class 9

Ans 9:

Class : Class 10

Ans 10:

Class : Class 9

Ans 11: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 12:

Class : Class 10

Ans 13:

Class : Class 8
A protozoan or alga isn't considered as a connecting link between living and non-living things. A virus is considered so, which is Diagram S. Admin from Revisewise Noida is kindly requested to explain how A is going to be the correct answer.

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