National Science Olympiad Forum By SOF Olympiad Trainer - Page 698

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
This is not spam or marketing, we are at the beginning of the journey and we’re just trying to get some feedback, anything constructive would be appreciated.
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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10
3/4th

Ans 2:

Class : Class 6
It will A because earth got 75% of water and it is 3/4 of it.

Ans 3:

Class : Class 6
It will A because earth got 75% of water and it is 3/4 of it.

Ans 4:

Class : Class 10
answer is 3 /4th

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
b

Ans 2:

Class : Class 7

Ans 3:

Class : Class 6
b

Ans 4:

Class : Class 10

Ans 5:

Class : Class 8
D SHOULD BE THE ANWSER

Ans 6:

Class : Class 8
D is answer

Ans 7:

Class : Class 4
D-Foxes eat deers so 1,2 AND 3 Hence correct answer is D

Ans 8:

Class : Class 4
WHY (B) it should be (A)ok!!GIVE EXPAINATION!!!!!!!!!PLS

Ans 9:

Class : Class 7
d

Ans 10:

Class : Class 5
B because in the first statement,if the grass population will decrease,rabbit population will also decrease as the rabbit exclusively feeds on the grass population and wolf exclusively feeds on the rabbit population.In the second statement,if the tiger population will increase,the rabbit population will decrease as the tiger exclusively feeds on the rabbit population and wolf exclusively feeds on the rabbit population.In the third statement,if the deer population will decrease,the wolf population will decrease as wolf feeds on the deer population.In the fourth statement,if the rabbit population will increase,the wolf population will also increase as wolf feeds on the rabbit population.

Ans 11:

Class : Class 6
B

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
d

Ans 2:

Class : Class 3

Ans 3:

Class : Class 10
Option A says involuntary muscles are controlled by brain. It is correct as medulla controls all our involuntary actions. Option B and C are correct as the cardiac muscles are also called as smooth muscles, so statement d is incorrect as the muscles present in our arms and legs are called skeletal or voluntary muscles

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
b is the correct answer.

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
because the numbers on the opposite faces of a dice always add up to 7. and 5+2=7

Ans 2:

Class : Class 7
hello Aminesh Pathak Bhaiya.*he is older than me and i am older than you

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 1
1. Jaya said all natural things can breathe. All natural things cannot breathe. Mountain is natural but cannot breathe.2. Rati said all non living things can be moved ( they can move by themselves). No, not all living things can move. Train can move, but it can only move with human's power.3.Sonu said man made things can reproduce. No, man made things cannot reproduce so the answer is D as all of them are incorrect

Ans 2:

Class : Class 3
Ans: C

Ans 3:

Class : Class 1
D

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
A as D shows criss crossed lines and equator isn't like that

Ans 2:

Class : Class 6
Awnswer is D

Ans 3:

Class : Class 9
(MASTER ANSWER) NONE OF THESE SHOULD BE THE ANSWER

Ans 4:

Class : Class 5
The earth is tilted on its axis and the equator divides the earth into northern hemisphere and Southern Hemisphere. So, if we just imagine to remove the planet and just leave the axis and equator, we will get an X. To visualise take a piece of paper and rool it into a ball and draw a in the middle. Then tilt it a bit and you will get a model of the earth. Then it forms a X. So the answer is D.

Ans 5:

Class : Class 7
The correct answer is D because if you draw the axis and the equator, it will make a sign like a tilted x and the option that most relates to the shape we've received is option D(Master Answer)

Ans 6:

Class : Class 9
hey you inknoledgeble (SOF)

Ans 7:

Class : Class 5
Answer should be D because equator is not slanting but if we mix equator and axis of the earth it will be criss crossed.

Ans 8:

Class : Class 6

Ans 9:

Class : Class 9

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
SAKET is that u like do u do online classes if yes have u ever seen anyone by the name Aarvi Gosai and if no thenn ur NOT that Saket

Ans 2:

Class : Class 9
C

Ans 3:

Class : Class 5
They will see somesh

Ans 4:

Class : Class 4
Ans A

Ans 5:

Class : Class 7
Answer is option C.!

Ans 6:

Class : Class 9
YAR AGAR NCO HOTA 2020 MEIN TO MAZA AATA KYON KI LAST YEAR MAIN THA WINNER

Ans 7:

Class : Class 5
C is correct

Ans 8:

Class : Class 6
No one will see mohhika

Ans 9:

Class : Class 5
my C and D are same

Ans 10:

Class : Class 9
the options C and D are same

Ans 11:

Class : Class 5
Thanks so much Mohhika

Ans 12:

Class : Class 7
C is the anwser

Ans 13:

Class : Class 9

Ans 14:

Class : Class 5

Ans 15:

Class : Class 5
a crowing will effect

Ans 16:

Class : Class 8
c is right

Ans 17:

Class : Class 9
C

Ans 18:

Class : Class 4
c answer is corect

Ans 19:

Class : Class 4
I thought it was D. :(

Ans 20:

Class : Class 4

Ans 21:

Class : Class 9

Ans 22:

Class : Class 7
C is the anwser

Ans 23:

Class : Class 5

Ans 24:

Class : Class 7
ahana bag, in option d the soil in more plants is less and in option c the soil in both the pots are same. Just wanted to tell that you might be blind!!

Ans 25:

Class : Class 4

Ans 26:

Class : Class 7
Dear friends, see the question and the options clearly.As they have said in the question, the experiment is on how overcrowding affects plant growth.For that, the conditions in which the plant(s) are growing should be the same. That means that the amount of sunlight, amount of water, amount of soil and condition of soil should be the same, whereas the number of plants growing in one pot, should not..As we are assured in the question, they are already giving the same amounts of sunlight and water to the plants.We only have to see that the amount and condition of soil is the same, and that, my friends, is only in option 'C'.So, that i.e option 'C', is the correct answer.

Ans 27:

Class : Class 5
Answer should be C because good soil means soil having essential nutrients and poor soil means the soil which is not having essential nutrients.In the option C,the checking of soil is by purity.In option D,the soil amount is different.

Ans 28:

Class : Class 7

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