National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
BUT IT SAYS THE RIGHT ANS IS ''C''

Ans 2:

Class : Class 4
A

Ans 3:

Class : Class 6
A

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 1

Ans 2:

Class : Class 4
PICTURE SHOWS 5 TOES WHICH IS INCORRECT

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
The correct answer is All

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
ok according to science it is D but according to me u should go in water at night and on land t night and then tell is D correct ( ok this is just a joke)

Ans 2:

Class : Class 5
A

Ans 3:

Class : Class 6
ok ok thank you baba ji

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Subject :NSO    Class : Class 6

Read the following statements and select the option that correctly identifies true
(T) and false (F) ones.
(i) The number of petals and sepals in a flower is always equal.
(ii) Roots absorb water and minerals from the soil.
(iii) Stamens form the female reproductive part of a flower.
(iv) Petiole is the short stalk that attaches leaf to the stem.
(v) Calyx and corolla form the essential whorls of the flower.

(i) (ii) (iii) (iv) (v)
A T T F T F
B F T F T F
C F T T T F
D T T F F T


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Subject :NSO    Class : Class 6

Depending upon the nature of the constituents present in a mixture, Suhana, a class 6 student suggested some methods of separation as shown in the table.

S.
No.
Types of
mixture
Methods of
separation
1. Solid - Solid Handpicking, Sieving
2. Solid - Liquid
(insoluble)
Sedimentation -
Decantation, Filtration
3. Liquid - Liquid
(immiscible)
Decantation,
Separating funnel
4. Solid - Liquid
(soluble)
Filtration, Decantation
5. Liquid - Liquid
(miscible)
Distillation

Which of these is/are incorrect method(s) of separation?

A1 and 2 only
B3 only
C1 and 5 only
D4 only


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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2

Ans 2:

Class : Class 2
Therefore all others except c are wrong

Ans 3:

Class : Class 2
The correct answer is C because we should not have road side food

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

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Subject :NSO    Class : Class 6

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