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Subject :NSO    Class : Class 8

Match column I with column II and choose the correct option from the codes given below.

Column I (Amorphous forms of carbon) Column II (Uses)
(P) Lamp black (i) For making electrodes for dry cell
(Q) Bone charcoal (ii) In gas masks
(R) Wood charcoal (iii) In extraction of metals
(S) Gas carbon (iv) To remove colour from sugarcane juice
(T) Coke (v) For making black shoe polish


P Q R S T
A (i) (v) (iii) (ii) (iv)
B (v) (iv) (ii), (iii) (i)
C (ii) (iii) (iv) (i) (v)
D (v) (iv) (ii) (i) (iii)


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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
Yes the ans is d'

Ans 2:

Class : Class 4
A ans

Ans 3:

Class : Class 4
sorry ! the ans is A

Ans 4:

Class : Class 4
class 3 h

Ans 5:

Class : Class 3
Ans is d because it is written one Kilogram

Ans 6:

Class : Class 1
the correct ans isD you are wrong

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

Read the following statements and select the correct option.
Statement 1: Pheromones are used as biological method to control pest.
Statement 2: Pheromones lure adult male insects into special traps and prevent them from breeding.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.


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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3
A

Ans 3:

Class : Class 3
fcb yh

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 4

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