National Science Olympiad Forum By SOF Olympiad Trainer - Page 719

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Option a is correct.

Ans 2:

Class : Class 7
the answer is d

Ans 3:

Class : Class 7
In option A, sunflower and paddy should be interchanged as sunflower has taproot and paddy has fibrous root system. Option D is the correct answer as wheat, maize and paddy have fibrous roots and sunflower, carrot and radish have taproot

Ans 4:

Class : Class 8
OPTION A IS CORRECT NO CHANCE OF WRONG

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
well we can say that ans d is correct because emu has both the features mentioned in the question while option b describes only one of them

Ans 2:

Class : Class 6
answer should be B

Ans 3:

Class : Class 6
answer should be b right

Ans 4:

Class : Class 4

Ans 5:

Class : Class 10
B

Ans 6:

Class : Class 10
Fe facts:1) Ostriches have wings, though it is not used for flying.2) Bats do not have feathers. They have hairs like other mammals.3) Emu has wings and again not used for flying.4) A penguin has feathers.5) Almost all birds have wings and feathers.So, option D is the only one that seems right.

Ans 7:

Class : Class 7
b

Ans 8:

Class : Class 8
d

Ans 9:

Class : Class 5
But the correct answer according to SOF is option D

Ans 10:

Class : Class 6
the answer is B

Ans 11:

Class : Class 5
it is 'b'

Ans 12:

Class : Class 3
clearly answer B is correct

Ans 13:

Class : Class 3
Bats have wings and no feathers. Ostriches and Emus have both feathers and wings, but they can’t fly mainly due to their huge size. Penguins have feathers and flippers (not wings). “A” is incorrect as bats doesn’t have feathers. “B” is incorrect as penguins doesn’t have wings. “C” is incorrect as there are birds that has both feathers and wings. “D” is the correct answer

Ans 14:

Class : Class 6
The correct answer is D

Ans 15:

Class : Class 6
you both are wrong.the correct answer is B

Ans 16:

Class : Class 5
if you have problem please report it

Ans 17:

Class : Class 6
I thought it was c), but it is d). People who think it is b), are all fools

Ans 18:

Class : Class 10
Organism X is actually emu, because it has wings AND feathers. So correct answer is D.Answer B however is wrong, as it tells emus ONLY have feathers. Answer C is wrong as organism X can be any bird, even penguins. And answer A is also wrong as bats don't have feathers and ostriches have wings too.

Ans 19:

Class : Class 6

Ans 20:

Class : Class 7
the correct answer is D as in B there is no mention on what X is

Ans 21:

Class : Class 6
Answer D is correct

Ans 22:

Class : Class 7
b

Ans 23:

Class : Class 5
The answer is d because they ask which is " INCORRECT", AND OPTION B IS THE CORRECT OPTION, AND BOTH A AND C ARE INCORRECT. AS THEY HAVE ASKED INCORRECTLY, THE ANSWER IS D, AS BOTH A AND C ARE WRONG.

Ans 24:

Class : Class 5
B is the correct answer

Ans 25:

Class : Class 6
D is only correct as in option B they have given that Z can be emu but emu has both wings and feathers and it is a flightless bird

Ans 26:

Class : Class 5
B is correct

Ans 27:

Class : Class 5
where is the solution

Ans 28:

Class : Class 3
c is the correct answer

Ans 29:

Class : Class 6
According to me the answer is B.

Ans 30:

Class : Class 4

Ans 31:

Class : Class 9
B is the correct answer.

Ans 32:

Class : Class 5
the answer is option D

Ans 33:

Class : Class 6
the ans is *BBBBBBBBBBBBBBB*

Ans 34:

Class : Class 5
b answer, wrong question

Ans 35:

Class : Class 10
Even I think the correct answer is B

Ans 36:

Class : Class 6
you both are wrong.the correct answer is B

Ans 37:

Class : Class 7
Hey many people are thinking answer B is right .well, yeah according to me ans B is right .these SOF people really need to improve and update this app

Ans 38:

Class : Class 4
The answer has to be b. Come on SOF.

Ans 39:

Class : Class 9
Mathamagician, we should not say anyone fool. Please keep in mind

Ans 40:

Class : Class 5
Answer is b

Ans 41:

Class : Class 8
B is the correct answer. According to me

Ans 42:

Class : Class 7
A is correct

Ans 43:

Class : Class 4

Ans 44:

Class : Class 8
A is only correct

Ans 45:

Class : Class 6
The correct ans is B

Ans 46: (Master Answer)

Class : Class 1

Ans 47:

Class : Class 9
according to me the correct answer is B

Ans 48:

Class : Class 5
it is written select the incorrect statement

Ans 49:

Class : Class 9

Ans 50:

Class : Class 6
answer should be b

Ans 51:

Class : Class 5
I think my answer is right

Ans 52:

Class : Class 7
SHOULD BE B

Ans 53:

Class : Class 5
Dd

Ans 54:

Class : Class 5
I DON'T UNDERSTAND, CLARIFY MY DOUBT QUICKLY SIR OR MADAM

Ans 55:

Class : Class 5
C IS CORRECT

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
oil has a low boiling point than water. Therefore we use oil to make the cooking process faster and easier

Ans 2:

Class : Class 9
oil has a low boiling point than water. Therefore we use oil to make the cooking process faster and easier

Ans 3:

Class : Class 9
We fry stuff in oil because oil has much higher boiling point in comparison to water. So after heating when oil reaches temperatures greater than the boiling point of water (100 C) it instantly vaporize the water present in food into steam. ... Oil fries it and gives a crispy texture.

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 8
a is the answer

Ans 2:

Class : Class 8

Ans 3:

Class : Class 4
The answer is D as the pictures given have different hazards.

Ans 4:

Class : Class 6
a is theaa is the answer.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
I think it's option (C) as plastic bags are harmful for environment.

Ans 2:

Class : Class 8
I think it's option (C) as plastic bags are harmful for environment.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Water absorbed from roots of plants is trasported to leaves of plant. excess water escapes into atmosphere in the process of traspiration which forms clouds and thus help in raining.

Ans 2:

Class : Class 8
because when we plant a tree , it absorb water from the soil and sun absorb water from leaf and in sky it made cloud and rain occur

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
correct answer:D

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4

Ans 4:

Class : Class 6

Ans 5:

Class : Class 9
haha

Ans 6:

Class : Class 2

Ans 7:

Class : Class 5

Ans 8:

Class : Class 8

Ans 9:

Class : Class 5
can anyone tell me

Ans 10:

Class : Class 5
FUCKU

Ans 11:

Class : Class 9
How

Ans 12:

Class : Class 4
a

Ans 13:

Class : Class 4
so difficult

Ans 14:

Class : Class 4

Ans 15:

Class : Class 7
As there are 2 magnets and 2 non magnet rings, only one space can be obtained between the 2 magnets with similar poles repelling each other. Option A shows two spaces between rings. This configuration is not possible.

Ans 16:

Class : Class 2

Ans 17:

Class : Class 9
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Ans 18:

Class : Class 8
I do not understand this qustion

Ans 19:

Class : Class 1

Ans 20:

Class : Class 9

Ans 21:

Class : Class 9
the simplest solution is there there are two magnets so only 1 or 0 gaps should be there... in a: there are two gaps so a is the answer .. on the other hand look at the textures

Ans 22:

Class : Class 5

Ans 23:

Class : Class 5
The correct answer is A. I wrote it wrong as D

Ans 24:

Class : Class 5
All apart from c are correct

Ans 25:

Class : Class 8

Ans 26:

Class : Class 5

Ans 27:

Class : Class 9
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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
A

Ans 2:

Class : Class 7
The answer should be C because during the last 10 seconds [ 40 second ] the distance is 10 meter not 5 meter.

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