National Science Olympiad Forum By SOF Olympiad Trainer - Page 796

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Subject :NSO    Class : Class 8

Ans 1:

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

Ans 2:

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

Ans 3:

Class : Class 7
option B

Ans 4:

Class : Class 5

Ans 5:

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 6:

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

Ans 7:

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

Ans 8:

Class : Class 3
No Answer: D were is brain

Ans 9:

Class : Class 4
What about Brain?

Ans 10:

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

Ans 11:

Class :
It can never be like that.

Ans 12:

Class : Class 3
OH,Nooooooooooooooooooooooooooooooooooooooooooooooooooooooooo|

Ans 13:

Class : Class 6
Spinal cord sometimes acts as brain

Ans 14:

Class : Class 8
the brain should be there

Ans 15:

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

Ans 16:

Class : Class 6
without brain how will we move

Ans 17:

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

Ans 18:

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

Ans 19:

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

Ans 20:

Class : Class 7
nooo

Ans 21:

Class : Class 5
Confusinggggggggggggggggggggggggggggggg

Ans 22:

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

Ans 23:

Class : Class 7
Where is brain

Ans 24:

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 25:

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

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 8
Option C and A are both correct

Ans 3:

Class : Class 5
c

Ans 4:

Class : Class 10
option A is the correct answer

Ans 5:

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

Ans 6:

Class : Class 7
Option C is the correct answer

Ans 7:

Class :
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 8:

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

Ans 9:

Class : Class 5

Ans 10:

Class : Class 7

Ans 11:

Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Orion

Ans 2:

Class : Class 6
YES THE ANSWER IS ORION

Ans 3:

Class : Class 7

Ans 4:

Class : Class 10
Orion

Ans 5:

Class :
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 6:

Class :

Ans 7:

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

Ans 8:

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 9:

Class : Class 7
ORION IS THE ANSWER TO THIS QUESTION

Ans 10:

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

Ans 11:

Class : Class 9

Ans 12:

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

Ans 13:

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

Ans 14:

Class : Class 7
ORION

Ans 15:

Class :
orion

Ans 16:

Class : Class 5
with my luck ,i did D

Ans 17:

Class : Class 6
The answer is Ursa Major

Ans 18:

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 19:

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

Ans 20:

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

Ans 21:

Class : Class 8
click d they have done mistake

Ans 22:

Class : Class 7

Ans 23:

Class : Class 7

Ans 24:

Class : Class 7

Ans 25:

Class : Class 8
part c

Ans 26:

Class : Class 7
YES,IT ISORION,THE GREAT

Ans 27:

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

Ans 28:

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

Ans 29:

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

Ans 30:

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 31:

Class : Class 7

Ans 32:

Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

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 2:

Class : Class 6
B

Ans 3:

Class : Class 7
B is the answer

Ans 4:

Class : Class 4
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 5:

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

Ans 6:

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

Ans 7:

Class : Class 6
The question is wrong

Ans 8:

Class : Class 7
B

Ans 9:

Class :

Ans 10:

Class : Class 5
B

Ans 11:

Class : Class 10

Ans 12:

Class : Class 7
the question is correct

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Subject :NSO    Class : Class 5

Ans 1:

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

Ans 2:

Class : Class 7
Yes Fareeha siddiqua the answer is D

Ans 3:

Class :

Ans 4:

Class : Class 5

Ans 5:

Class : Class 9
Yes Fareeha siddiqua the answer is D

Ans 6:

Class : Class 7

Ans 7:

Class : Class 5
yes, it is d!

Ans 8:

Class : Class 7

Ans 9:

Class : Class 5
a

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Subject :NSO    Class : Class 6

Ans 1:

Class :
what is gggggggggg you are mad?

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Subject :NSO    Class : Class 6

Ans 1:

Class :
you are fully mad ? 555

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 10
How is it mechanical? Please explain

Ans 3:

Class : Class 6
It is frictional force

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 8

Ans 7:

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

Ans 8:

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 9:

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

Ans 10:

Class : Class 10
mechanical

Ans 11:

Class : Class 3
c is correct

Ans 12:

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

Ans 13:

Class : Class 8

Ans 14:

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

Ans 15:

Class :

Ans 16:

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

Ans 17:

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

Ans 18:

Class : Class 9
how is it mechanical force?

Ans 19:

Class : Class 9

Ans 20:

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

Ans 21:

Class :
answer D

Ans 22: (Master Answer)

Class :
Mechanical Force.

Ans 23:

Class : Class 10
Mechanical Force

Ans 24:

Class :

Ans 25:

Class : Class 5

Ans 26:

Class :
It is mechanical

Ans 27:

Class : Class 10
mechanical

Ans 28:

Class :
how?

Ans 29:

Class : Class 10
Mechanical force

Ans 30:

Class : Class 2

Ans 31:

Class : Class 7
the corect answer is C

Ans 32:

Class : Class 10
mechanical

Ans 33:

Class : Class 7
It is option C

Ans 34:

Class : Class 8
how is it mechanical?

Ans 35:

Class : Class 10

Ans 36:

Class :
how???

Ans 37:

Class : Class 6
how??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 38:

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

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class :
The correct answer is D.

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