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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Answer is A

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Subject :NSO    Class : Class 7

Following is a random sequence of steps in the processing of wool. Arrange these steps in the correct sequence and select the correct option.

(i) Scouring (ii) Sorting (iii) Shearing (iv) Removing burrs (v) Dyeing
(vi) Yarn (vii) Spinning (viii) Weaving (ix) Fabric (x) Carding

A (iii) → (i) → (ii) → (iv) → (x) → (v) → (vii) → (vi) → (viii) → (ix)
B (iii) → (ii) → (i) → (iv) → (v) → (x) → (vii) → (vi) → (viii) → (ix)
C (iii) → (ii) → (i) → (iv) → (x) → (v) → (vii) → (vi) → (viii) → (ix)
D (iii) → (i) → (iv) → (ii) → (v) → (x) → (vii) → (vi) → (viii) → (ix)


Answer should be d

Ans 1:

Class : Class 8
Answer should be d

Ans 2:

Class : Class 7
It should be c

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Subject :NSO    Class : Class 7

Consider the following statements (i-iv) and select the option that correctly identifies true (T) and false (F) ones.

(i) Silk is a cellulosic fibre.
(ii) The hair on a sheep’s body is called fleece.
(iii) Silk fabric was first developed in ancient China.
(iv) Cashmere is an extremely soft wool obtained from Cashmere sheep.

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


why, i want to know the problem? Answer should be d.

Ans 1:

Class : Class 8
I want to know why cashmere wool is wrong?

Ans 2:

Class : Class 7
Because cashmere wool is obtained from Cashmere goat and not from Cashmere sheep!

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Subject :NSO    Class : Class 4

Analyse the situation shown in the figure and select the correct option.


AWind will blow from P to Q if P is water body.
BWind will blow from Q to P if P is water body.
CWind will blow both sides from P to Q and Q to P if P is water body.
DWind will blow both sides from P to Q and Q to P if Q is water body.


abcdefghijklmnopqrstuvwxyz....................................................................................................................................................................................................................

Ans 1:

Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

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Subject :NSO    Class : Class 4

If the given clock is 42 minutes fast, then the correct time after half an hour is __________.



A1 : 05
B11 : 23
C12 : 23
D1 : 23


cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 1:

Class : Class 4
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 2:

Class : Class 4
Option C.

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

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

Column I Column II
P. Hot tea poured in saucer gets cooled faster. (i) Evaporation increases with increase in temperature.
Q. We feel more cold after a hot water bath than a cold water bath. (ii) Evaporation increases with decrease in humidity.
R. Water is cool in earthen pitcher during dry hot day. (iii) Evaporation increases with increase in wind speed.
S. We feel comfortable under a moving fan in summer. (iv) Evaporation increases with increase in surface area.


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


given answer is wrong.

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 9

Study the given flow chart and choose the correct statements.
Sulphur + Coal powder + Common salt

(i) The property used to separate the mixture is solubility of different components in different solvents.
(ii) Sulphur is soluble in carbon disulphide, salt in water and coal is insoluble in both.
(iii) X is water and Y is carbon disulphide.

A (i) and (ii) only
B (ii) and (iii) only
C (i) and (iii) only
D All are correct.


its only 2 and 31 refers to chromatography

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