National Science Olympiad Forum By SOF Olympiad Trainer - Page 582

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7

Ans 3: (Master Answer)

Class : Class 1

The correct answer is


Ans 4:

Class : Class 9
How? PQR and then QRS is correct

Ans 5:

Class : Class 6

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

The correct answer is C

Gases do not have a fixed shape and are compressible, liquids also do not have fixed shape but cannot be compressed as they have a fixed volume. Solids have fixed shape, fixed volume and can either float or sink in water depending upon their density.


Ans 2:

Class : Class 9
c

Ans 3:

Class : Class 3

Ans 4:

Class : Class 6
I couldn't even scorl

Ans 5:

Class : Class 8

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 7
B

Ans 2: (Master Answer)

Class : Class 1

The correct answer is B - Gibbous


Ans 3:

Class : Class 3
The answer is B

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
I AM IN CLASS 10TH BUT IT IS WRITTEN WRONG SO SORRY [IT IS WRITTEN CLASS 3RD]

Ans 2:

Class : Class 4
TRH J3we]ART68 [PL;[0]'1;LPO; [KOREN]YUL

Ans 3:

Class : Class 4
Aq1wwwwwwwwwwwwwww

Ans 4:

Class : Class 3
but I think small one

Ans 5:

Class : Class 4
i am a genius

Ans 6:

Class : Class 7

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1

The correct answer is A.

Count the number of total balls = 21
Count the number of crossed balls = 6
So, the subtraction sentence will be 21 - 6.
Now make the subtraction sentences for all options:
(A) 2 tens 1 one - 6 ones = 21 - 6 
(B) 2 tens 2 ones - 6 ones = 22 - 6 
(C) 2 tens - 6 ones = 20 - 6
(D) 2 tens 3 tens - 6 ones = 23 - 6


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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 9
It will be 8/56,every answer is wrong because its a proper fraction so 8/56=8/56

Ans 2: (Master Answer)

Class : Class 1

The correct answer is B.

Total Smileys = 56
Green Smileys = 8
Fraction of Green Smileys = 8/56 = 1/7


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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 10
Stem is also correct for some plants like mint ,

Ans 2:

Class : Class 6
It is not c because new plants can rise by vegetative reproduction which are not by seeds.It is by roots, stem or leaves. what, in case of byrophyllum plant.

Ans 3:

Class : Class 7
d

Ans 4:

Class : Class 6
the answer is d as many plants don't have flowers but still reproduce. Without the leaves, the plants can't make food.

Ans 5:

Class : Class 6
In papaya plant, flower changes into fruit and fruit bears seeds. Seeds give rise to new plants when sown into the soil.

Ans 6:

Class : Class 5

Ans 7:

Class : Class 8

Ans 8: (Master Answer)

Class : Class 1

The correct answer is C

Flower changes into fruits and fruit bears seeds. Seeds give rise to new plants when sown into soil.


Ans 9:

Class : Class 9
some plants can grow by vegetative reproduction which is not by flowers. Like carrots, Carrots does not have any flowers. I think the answer is D because if there are no leaves then who will make the food for the survival of the plant.

Ans 10:

Class : Class 10
I think answer is (C) as flowers changes into fruit and fruit changes into seed.

Ans 11:

Class : Class 4
i pressed option c but its incorrect

Ans 12:

Class : Class 5
Deepayan and Sumit are right..of course it is d, if there are no leaves the plant will die, how is it going to reproduce then??

Ans 13:

Class : Class 6
but seeds can reproduce through stem , leaves , and root too , can't they ???

Ans 14:

Class : Class 3
but in some plants ther is no flower then also they can reproduce in a different manner

Ans 15:

Class : Class 5
WE HAVE READ THAT THEY CAN GROW WITHOUT FLOWERSIF THEY HAVE NOT FLOWERS THEY GROW IN A DIFFERENT MANNERVERY STUPID OF SOFSO MANY ERRORSWHAT EVER CORRECT OPTION IS D

Ans 16:

Class : Class 5
All the answers are correct. None of them are wrong.

Ans 17:

Class : Class 5
Flower attract the insects for pollination,so the answer is C

Ans 18:

Class : Class 5
c) WHY? Here it goes:How will it reproduce without flowers?Ideally? Leaves? Does cactus have leaves? Nope! It has leaves -2 - spines...

Ans 19:

Class : Class 5
Think the correct ans'rs C Cause a flower changes into a fruit in the fruit then bears seads which give rise to new plants on being down in soil. That's what I think don't know if it is right!!!

Ans 20:

Class : Class 4
I think it is seed only because if the other parts will no be there than how the previous plant will grow

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