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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
The correct answer is KLTN

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
It's (b) because Knitting needs only 1 yarn but weaving need 2 yarns. So its (b) the correct answer.

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6

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Subject :NSO    Class : Class 6

Refer to the given paragraph and select the correct option regarding X, Y and Z.
The process of making yarn from fibres is called X. Yarn are used for making fabrics. Two main processes are used to make fabrics from yarn. In process Y, two sets of yarn are arranged together to make a fabric while in process Z single yarn is used to make a piece of fabric.

A X : Knitting; Y : Spinning; Z : Weaving
B X : Spinning; Y : Weaving; Z : Knitting
C X : Weaving; Y : Spinning; Z : Knitting
D X : Spinning; Y : Knitting; Z : Weaving


Ans 1:

Class : Class 6
B

Ans 2:

Class : Class 6
CLASS VI Answer should be B.....

Ans 3:

Class : Class 7
B

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Subject :NSO    Class : Class 6

Refer to the given dichotomous key and select the correct option.
I. (A) It is categorised as energy giving food. – Go to II
(B) It is categorised as protective food. – Go to III
II. (A) It is soluble in water. –
(B) It is insoluble in water. –
III. (A) It is needed for clotting of blood. –
(B) It helps in formation of haemoglobin. –

A Q could be glucose which is instant source of energy.
B Deficiency of S causes anaemia characterised by pale body colour, body fatigue etc.
C R causes osteoporosis in adults while S causes goitre in adults.
D P occurs in the cell wall of plant cells and in fibres.


Ans 1:

Class : Class 7
Please help

Ans 2:

Class : Class 6
hi can someone please help

Ans 3:

Class : Class 6
According to the dichotomous key P, Q, R and S could be glucose, cellulose, calcium and iron respectively. Goitre is caused by deficiency of iron. Cellulose is a complex carbohydrate occurs in the cell wall of plant cells and plant fibres.

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
yup you are correct

Ans 2:

Class : Class 7
The answer can be A and B both. A as position is constant and B as position is moving uniformly with time. But after some thought , B is more appropriate as we can't say 0 speed is constant

Ans 3:

Class : Class 7
The speed is also constant for PQ because it is zero and should be constant.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
2 5 6*3-2=232 5 18-2=2325-2=23

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Subject :NSO    Class : Class 9

Two fixed point masses of 10 kg and 20 kg are located at (0 m, 0 m) and (5 m, 0 m). Where should a third point mass of 30 kg be kept so that the net force of attraction on 30 kg mass due to point masses 10 kg and 20 kg is zero?

A At 2.05 m from 10 kg mass
B At 2.05 m from 20 kg mass
C At 2.95 m from 10 kg mass
D At 3 m from 20 kg mass


I got stuck at x^2 10x - 25Answer by quadratic equation must be 2.07 but it is 2.05Please help me with this question

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Subject :NSO    Class : Class 4

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