National Science Olympiad Forum By SOF Olympiad Trainer - Page 710

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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

Ans 2:

Class : Class 8
you are correct it doesnt update it self every year

Ans 3:

Class : Class 4
Answer is = D

Ans 4:

Class : Class 7
sof is dumb nearly all answers are given wrong

Ans 5:

Class : Class 7
d correct ans

Ans 6:

Class : Class 1

Ans 7:

Class : Class 7
ANSWER IS 'D'

Ans 8:

Class : Class 5
P is made up of iron so a is wrong

Ans 9:

Class : Class 1
I do not think that all answers and words of synopsis is correct

Ans 10:

Class : Class 5
no c is correct ans

Ans 11:

Class : Class 6
D

Ans 12:

Class : Class 6
ans d

Ans 13:

Class : Class 6

Ans 14:

Class : Class 8
A and D. are the correct answer

Ans 15:

Class : Class 7
D

Ans 16:

Class : Class 5
you all are mads. D , A are correct options

Ans 17:

Class : Class 4
The answer is {D}

Ans 18:

Class : Class 3
you fools i found the correct answer d

Ans 19:

Class : Class 7
No, the inner core is actually made up of iron and nickel.

Ans 20:

Class : Class 8
Correct option is D because mineral deposits are found on the crust of the Earth

Ans 21:

Class : Class 5
D

Ans 22:

Class : Class 7
a c d are correct

Ans 23:

Class : Class 8
Class:Class:Class:VERY HARD

Ans 24:

Class : Class 5
ans is d

Ans 25:

Class : Class 5
they give two answer correct and but one of the two are the right answers

Ans 26:

Class : Class 4
P is the molten part made up of nickel and iron(p is not molten). R is the hottest part of Earth which is solid( P is the hottest part of Earth which is solid).Q is connected to surface with the help of volcanoes( R actually has magma in it ). Minerals and oil deposits are found in the part S. and option D is only corect

Ans 27:

Class : Class 5
D

Ans 28:

Class : Class 5
answer is D

Ans 29:

Class : Class 7
The answer is D

Ans 30:

Class : Class 9
D drives me crazy

Ans 31:

Class : Class 6
answer is d because core is innermost layer of earth so it could be made up of nicel and iron

Ans 32:

Class : Class 6
ans is d

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
the answer is B.

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
I agree with Ishan as trees cannot grow very quickly...But I did B at my first attempt

Ans 4:

Class : Class 7
Harry?! What a fake! Harr potter is an adult!

Ans 5:

Class : Class 9
Actually, forest fires lower the level of nitrogen in the soil. Since nitrogen quantities in the soil is extremely important for plant growth, lowered level of nitrogen is a big barrier in plant growth

Ans 6:

Class : Class 5
It is certainly B as ashes of any organic matter makes soil fertile.

Ans 7:

Class : Class 9
Answer is B as ash is an organic

Ans 8:

Class : Class 5
yes B is the answer as the ash contains minerals from the other trees.. i agree that the process of nitrogen fixation will make the soil fertile.........

Ans 9:

Class : Class 7
SOF is giving wrong answers ! Does it ever thinks that by reading wrong things , we can get lesser marks in our exams ?!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Ans 10:

Class : Class 5
The correct answer is Bthis time I think SOF is wrong

Ans 11:

Class : Class 6
Come on Snigdha! The CORRECT ANSWER IS (B)! Ash makes soil fertile 'cause it's organic , dude! How will trees not grow?(P.S.- please don't think about Ash in Pokemon. Please, don't)🤦‍♂️🤦‍♂️

Ans 12:

Class : Class 4
I think B is the correct answer

Ans 13:

Class : Class 5
B B B B B B . B B B B B B BB BB B B B B B . IS THE ANSWER

Ans 14:

Class : Class 5
BBBBBBBBBBBBBBBBBB IT IS THE CORRECT ANSWER I AGREE WITH THE OTHERS

Ans 15:

Class : Class 9
I think the answer is B

Ans 16:

Class : Class 7
BBBB IS THE ANSWER

Ans 17:

Class : Class 9
Ash is an organic matter so the answer should be B

Ans 18:

Class : Class 9
B is the correct answer

Ans 19:

Class : Class 7
i think the answer should be B because the statement 'New trees will grow quickly to replace the burnt ones as the ash of the burnt trees will make the soil more fertile' is also true

Ans 20:

Class : Class 5
How ??? It should be b.As ash is an organic matter. the process of nitrogen fixation will make the soil fertile . Please tell .Why????

Ans 21:

Class : Class 6
i think it should be B..as ash acts as a fertilizer.

Ans 22: (Master Answer)

Class : Class 1

Ans 23:

Class : Class 10
I agree ,B is the correct answer

Ans 24:

Class : Class 7
B is the answer!

Ans 25:

Class : Class 9

Ans 26:

Class : Class 8
Answer must be B as it is organic and increases soil fertility.

Ans 27:

Class : Class 6
B should be the correct answer

Ans 28:

Class : Class 9
I think B is correct option as ash acts as a fertilizer for plants (even if in small quantities). Master Answer (Admin, Revisewise) EXPLAIN the answer to all of us.

Ans 29:

Class : Class 7
The answer should be B.

Ans 30:

Class : Class 8
a is correct because there willbe soil erosion without trees

Ans 31:

Class : Class 7
THe AntwerpThe answer is (A) because if forest fire occurs there will not be any trees and soil erosion can happen and All the ashes including soil may erode and then how can it make the soil fertile

Ans 32:

Class : Class 8
WHAT! B is correct, not A. The answer is B, NOT A!

Ans 33:

Class : Class 5

Ans 34:

Class : Class 6
I think the answer should be b as after a forest gets destroyed by a forest fire ,new trees will grow as the remain of the trees will decompose and make the sol fertile.

Ans 35:

Class : Class 2
ddddddd

Ans 36:

Class : Class 8
B IS THE CORRECT ANSWER AS BURNING OF WASTE CROPS AFTER HARVESTING OF GRAINS IS STANDARD METHOD OF INCREASING SOIL FERTILITY

Ans 37:

Class : Class 5
The question and choices given are a bit tricky. The correct answer is A because the language of (iv) is deceptive and says "new trees will grow quickly to replace the burnt ones". You have to understand that "new trees" won't grow quickly, you can only sow small plants not trees.

Ans 38:

Class : Class 5

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Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
ANSWER-C

Ans 2:

Class : Class 9

Ans 3:

Class : Class 5
answer b

Ans 4:

Class : Class 8
Answer: C

Ans 5:

Class : Class 8
Answer: C

Ans 6:

Class : Class 5
Answer-C

Ans 7:

Class : Class 6
C

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Subject :NSO    Class : Class 9

Post Your Answer

Subject :NSO    Class : Class 9

Post Your Answer

Subject :NSO    Class : Class 9

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
option d is the correct answer

Ans 2:

Class : Class 6
The answer is (c) Condition 1- There should be an area which includes all the shapes [options (b), (c) and (d) satisfy this condition] Condition 2- There should be an area which includes only the circle and triangle [only option (c) satisfies this condition] Therefore option (c) is correct

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
I agree option D

Ans 2:

Class : Class 4
I DONT KNOW

Ans 3:

Class : Class 8
[url=http://ashematme.ru]ashematme.ru[/url]

Ans 4:

Class : Class 4
ans is d

Ans 5:

Class : Class 6
It should be d not b

Ans 6:

Class : Class 2
It is D. Imagine it this way. There is a heavy rock on the seesaw and we sit closer to the middle. It will be hard for us to go down and rock up. But if we sit at the edge of the seesaw, we will go down and the seesaw will go up.

Ans 7:

Class : Class 4

Ans 8:

Class : Class 9
The solution is correct . The correct answer is D

Ans 9:

Class : Class 8
Not all things will be written in the synopsis you have to read something from the book also.D option is correct.

Ans 10:

Class : Class 8
the answeer has been changed to D so please stop fighting especially Monica Sharma !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 11:

Class : Class 9
option D

Ans 12:

Class : Class 9
The correct answer is D

Ans 13:

Class : Class 7
What is this?Well,the synponis does not say anything like this.How do you know?And Harry (Potter), I think you should really provide explanations when you say something like this.I think you don't provide explanations ever.

Ans 14:

Class : Class 6
you cant lift a car by your hands but you can when you are far so you cant lift the stone when you are near but you can lift it when you are far

Ans 15:

Class : Class 8
See this Refer to the solution

Ans 16:

Class : Class 7
THE ANSWER IS THE OPTION D

Ans 17:

Class : Class 7

Ans 18:

Class : Class 9
I DONT UNDERSTAND WHY IS IT D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
I suppose that option'B' is the correct answer. If my thinkings are wrong, then please kindly make me understand with a reason i understand in simple words. If my answer is correct then please, please, please comment on it. My goal here is not to give long lectures, but to find the correct answer to this question.

Ans 2:

Class : Class 4
Why C is incorrect answer? During Summer month at noon there will be shadow exactly under feet.

Ans 3:

Class : Class 9
yes c is correct kindly rectify

Ans 4:

Class : Class 9
It should be (b) because (c) shows that there is no shadow at noon, however even in summer, there is a small shadow at noon. Therefore the answer should be (b).

Ans 5:

Class : Class 7

Ans 6:

Class : Class 6
The answer should be C.

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