National Science Olympiad Forum By SOF Olympiad Trainer - Page 777

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
Plants donot directly absorb nitrogen from the atmosphere. They actually fix nitrogen in the soil with the help of symbiotic nitrogen fixing bacteria in their root nodules

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5

Ans 2:

Class : Class 3
OH,Nooooooooooooooooooooooooooooooooooooooooooooooooooooooooo|

Ans 3:

Class : Class 8
spinal cord acts as brain sometimes hence option B is correct

Ans 4:

Class : Class 5
without brain's indicator how nerves will pull hands?

Ans 5:

Class : Class 3
It can never be like that.

Ans 6:

Class : Class 5
without brain there would be no reflex. Spinal cord is just a carrier through neurons..it's the brain which signals to pull back the hand from a hot kettle...not any other organs.

Ans 7:

Class : Class 3
The hand can't move without the signals of brain

Ans 8:

Class : Class 3
The option 'B' is the correct answer.

Ans 9:

Class : Class 5
Confusinggggggggggggggggggggggggggggggg

Ans 10:

Class : Class 3
The option 'B' is the correct answer.

Ans 11:

Class : Class 6
without brain how will we move

Ans 12:

Class : Class 4
skin ,nerves ,spinal cord ,brain,Spinal cord, Nerves, Hand is pulled back

Ans 13:

Class : Class 8
how will the other parts get signal ?

Ans 14:

Class : Class 4
What about Brain?

Ans 15:

Class : Class 6
Spinal cord sometimes acts as brain

Ans 16:

Class : Class 5
B - Skin → Nerves → Spinal cord → Nerves → Hand is pulled back

Ans 17:

Class : Class 5
yeeeeeeeeeeeessssssssssss!!!!!!!!!!!!!

Ans 18:

Class : Class 7
Where is brain

Ans 19:

Class : Class 6
nooo

Ans 20:

Class : Class 8
the brain should be there

Ans 21:

Class : Class 7
option B

Ans 22:

Class : Class 9
The answer B is correct because the Spinal Cord controls the Reflex Actions and if we touch a hot kettle and move our hand back, its a Reflex Action of course!!!

Ans 23:

Class : Class 10
it will be none of the above because there is no brain

Ans 24:

Class : Class 3
No Answer: D were is brain

Ans 25:

Class : Class 4
skin-nerve-spinal cord-brain-nerve-hand pulled back

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 10
option A is the correct answer

Ans 2:

Class : Class 8
It cannot be A as asteroids orbit the sun

Ans 3:

Class : Class 4
Asteroids are small, irregular lumps of rock that move in orbits around the Sun. Most asteroids lie in a vast ring between the orbits of Mars and Jupiter. This is called asteroid belt that holds millions of asteroids. Asteroids can be classified into two broad groups based on their composition and location-carbon rich asteroids dominate the outer part of asteroid belt whereas metal rich asteroids dominate the inner part of belt.

Ans 4:

Class : Class 8
Option C and A are both correct

Ans 5:

Class : Class 7
Option C is the correct answer

Ans 6:

Class : Class 6

Ans 7:

Class : Class 5
c

Ans 8:

Class : Class 5

Ans 9:

Class : Class 5
asteroids have a highly elliptical orbit unlike planets. planets have round orbits.

Ans 10:

Class : Class 5

Ans 11:

Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
YES,IT ISORION,THE GREAT

Ans 2:

Class : Class 5
the answer is Orion but in laptop Cassiopeia and Orion are c so i clicked c but my answer is wrong. Same thing happened to me

Ans 3:

Class : Class 8
SOF has to work on it's technical glitches . mmm......

Ans 4:

Class : Class 10
Orion

Ans 5:

Class : Class 7
ORION IS THE ANSWER TO THIS QUESTION

Ans 6:

Class : Class 7

Ans 7:

Class : Class 9

Ans 8:

Class : Class 7

Ans 9:

Class : Class 5
it is Orion luckily i did not see the option letter is wrong and clicked option D

Ans 10:

Class : Class 5
The correct answer is orion...error in the answer

Ans 11:

Class : Class 7
orionit must have been a mistake to write c on both.

Ans 12:

Class : Class 5
It is very bad I said d but it landed on a for some reason

Ans 13:

Class : Class 4
Orion Orion Orion Orion Orion Orion!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 14:

Class : Class 7
ORION

Ans 15:

Class : Class 6
YES THE ANSWER IS ORION

Ans 16:

Class : Class 6
Orion

Ans 17:

Class : Class 5
YES, it is indeed Orion the Great. Wrong answer was put in the system , but now it is corrected.

Ans 18:

Class : Class 5
orion

Ans 19:

Class : Class 9
I clicked d because Orion was the last but when the result came it was showing it wrong and it was marked like this your answer D correct answer D and it was showing wrong for me

Ans 20:

Class : Class 7

Ans 21:

Class : Class 8
Yes, the correct answer is Orion as Ursa Major, Ursa Minor and Cassiopeia are different in my iPads net. Don't worry I also got worried seeing the net but to me Orion is the right answer. Thank you.

Ans 22:

Class : Class 6
It is Orion but it is showing c

Ans 23:

Class : Class 8
click d they have done mistake

Ans 24:

Class : Class 6
the answer is orion but in laptop cassiopeia and orion are c so i clicked c but my answer is wrong

Ans 25:

Class : Class 8
part c

Ans 26:

Class : Class 5

Ans 27:

Class : Class 5

Ans 28:

Class : Class 5
with my luck ,i did D

Ans 29:

Class : Class 7

Ans 30:

Class : Class 6
The answer is Ursa Major

Ans 31:

Class : Class 8
Pavitt Singh from Jodhamal Public Schoolthe correct answer is D

Ans 32:

Class : Class 7

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
The question is wrong

Ans 2:

Class : Class 5
The corerect answer is b google also said it

Ans 3:

Class : Class 7
B is the answer

Ans 4:

Class : Class 7
B

Ans 5:

Class : Class 4
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 6:

Class : Class 6
B

Ans 7:

Class : Class 1

Ans 8:

Class : Class 6
the question is correct

Ans 9:

Class : Class 5
(b) Planet Venus is the hottest planet in our solar system

Ans 10:

Class : Class 5
B

Ans 11:

Class : Class 8
BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB BBBBBBBB

Ans 12:

Class : Class 10

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5
yes, it is d!

Ans 4:

Class : Class 5
Venus and uranus rotate in clock wise direction but uranus is a gaseous planet so answer is D

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7

Ans 7:

Class : Class 5
a

Ans 8:

Class : Class 7
Yes Fareeha siddiqua the answer is D

Ans 9:

Class : Class 9
Yes Fareeha siddiqua the answer is D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
what is gggggggggg you are mad?

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
you are fully mad ? 555

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 10
Mechanical Force

Ans 2: (Master Answer)

Class : Class 1
Mechanical Force.

Ans 3:

Class : Class 7
the corect answer is C

Ans 4:

Class : Class 8

Ans 5:

Class : Class 5
how???????????????????????????????????????????????????????????????????????????is mechanical?????????????????????????????????????????????????????????????????

Ans 6:

Class : Class 10
mechanical

Ans 7:

Class : Class 3
c is correct

Ans 8:

Class : Class 8
how is it mechanical ????????????

Ans 9:

Class : Class 4
answer D

Ans 10:

Class : Class 10

Ans 11:

Class : Class 7
push and pull are examples of mechanical force

Ans 12:

Class : Class 7
Mechanical force is the only correct answer .

Ans 13:

Class : Class 3
Can somebody explain why it is mechanical force ????

Ans 14:

Class : Class 8
How the answer is D . Mechanical force

Ans 15:

Class : Class 5
how?

Ans 16:

Class : Class 2

Ans 17:

Class : Class 9

Ans 18:

Class : Class 8
how is it mechanical?

Ans 19:

Class : Class 6
actually it is contact force .But SOF is mad so it said the wrong answer but the correct answer is CONTACT FORCE

Ans 20:

Class : Class 5

Ans 21:

Class : Class 5

Ans 22:

Class : Class 10
Mechanical force

Ans 23:

Class : Class 9
The answer given by SOF is wrong so they have not given the solution to this question.

Ans 24:

Class : Class 9
how is it mechanical force?

Ans 25:

Class : Class 5
It is mechanical

Ans 26:

Class : Class 8

Ans 27:

Class : Class 5

Ans 28:

Class : Class 10
How is it mechanical? Please explain

Ans 29:

Class : Class 7
It is option C

Ans 30:

Class : Class 5
how???

Ans 31:

Class : Class 5
I was about to get 10/10 this 1 made me lose it.

Ans 32:

Class : Class 6
It is frictional force

Ans 33:

Class : Class 10
mechanical

Ans 34:

Class : Class 5
How it is d???Shouldn't it be c

Ans 35:

Class : Class 5

Ans 36:

Class : Class 10
mechanical

Ans 37:

Class : Class 5
how??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 38:

Class : Class 1
I did C frictional force but SOF says it is D mechanical force. How is it mechanical force?

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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