National Science Olympiad Forum By SOF Olympiad Trainer - Page 672

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 3
Ans: C

Ans 2:

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 3:

Class : Class 1
D

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Subject :NSO    Class : Class 4

Ans 1:

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 2:

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 3:

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 4:

Class : Class 6

Ans 5:

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

Ans 6:

Class : Class 9

Ans 7:

Class : Class 7
(MASTER ANSWER) NONE OF THESE SHOULD BE THE ANSWER

Ans 8:

Class : Class 5
Awnswer is D

Ans 9:

Class : Class 7
hey you inknoledgeble (SOF)

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
C is the anwser

Ans 2:

Class : Class 4
Ans A

Ans 3:

Class : Class 7
C is the anwser

Ans 4:

Class : Class 5
a crowing will effect

Ans 5:

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 6:

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 7:

Class : Class 4

Ans 8:

Class : Class 5
my C and D are same

Ans 9:

Class : Class 9

Ans 10:

Class : Class 5

Ans 11:

Class : Class 9
C

Ans 12:

Class : Class 5

Ans 13:

Class : Class 7

Ans 14:

Class : Class 7
Answer is option C.!

Ans 15:

Class : Class 5
Thanks so much Mohhika

Ans 16:

Class : Class 5
C is correct

Ans 17:

Class : Class 8
c is right

Ans 18:

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 19:

Class : Class 6
No one will see mohhika

Ans 20:

Class : Class 9
C

Ans 21:

Class : Class 8

Ans 22:

Class : Class 4

Ans 23:

Class : Class 4
c answer is corect

Ans 24:

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

Ans 25:

Class : Class 9
the options C and D are same

Ans 26:

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 27:

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

Ans 28:

Class : Class 5
They will see somesh

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
* Harsh are you mad , the volume of oxygen collected at 15 degree Celsius is lower than the volume of oxygen collected at 40 degree Celsius *

Ans 2:

Class : Class 7

Ans 3:

Class : Class 8
d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D

Ans 4:

Class : Class 5
the answer can be both a and photosynthesis happen best at 35 degree cand the volume of oxygen collected in 15dc is more than 45dc.

Ans 5:

Class : Class 3
the answer is A

Ans 6:

Class : Class 3
I agree with harsh

Ans 7:

Class : Class 5
Option a

Ans 8:

Class : Class 4

Ans 9:

Class : Class 5
Answer is A because the straight line shows in which temperature photosynthesis occurs best.

Ans 10:

Class : Class 4

Ans 11:

Class : Class 5

Ans 12:

Class : Class 10

Ans 13:

Class : Class 5
the answer can be a and d

Ans 14:

Class : Class 7
the answer is a

Ans 15:

Class : Class 9
Option ( A ) is correct because the graph shows that Photosynthesis best occurs at 35 degree Celsius

Ans 16:

Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Option c

Ans 2:

Class : Class 7

Ans 3:

Class : Class 5
Answer is C because the graph is showing different levels of O2 in the atmosphere and Y has less oxygen in the atmosphere.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
D

Ans 2:

Class : Class 5
Answer is D because Venus has the high amount of carbon dioxide which traps the heat of the sun.

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 2:

Class : Class 10
the correct answer is C

Ans 3:

Class : Class 8
C is correct

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
are udit narayan tumhe kuch nahi aata*udit kankar

Ans 2:

Class : Class 6
Yes

Ans 3:

Class : Class 6
D and B both can be there.

Ans 4:

Class : Class 8

Ans 5:

Class : Class 7

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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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