|
In the figure given below mark the positions of the endocrine glands which release the hormones that
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0
|
1151
|
March 23, 2018
|
|
Name the hormone which would be released during the following situations:
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0
|
4942
|
March 23, 2018
|
|
What is menstruation? Explain
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0
|
23013
|
March 23, 2018
|
|
Fill the blank circles in figure and identify the sex of child A and B
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0
|
6760
|
March 23, 2018
|
|
A few of Paheli’s classmates eat potato chips and burgers regularly during the recess at school
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0
|
1029
|
March 23, 2018
|
|
We should avoid taking medicines/drugs unless prescribed by a doctor. Give reasons
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0
|
1598
|
March 23, 2018
|
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Mention any two features that are seen in boys and girls each to distinguish them from each other at puberty
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0
|
1195
|
March 23, 2018
|
|
Two women are of the same weight. One wears sandals with pointed heels while the other wears sandals with flat soles
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0
|
5757
|
March 22, 2018
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In the following situations, identify the agent exerting the force and the object on which it acts
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0
|
5856
|
March 22, 2018
|
|
Give two examples each of situations in which you push or pull to change the state of motion of objects
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0
|
31870
|
March 22, 2018
|
|
An archer shoots an arrow in the air horizontally
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0
|
5642
|
March 22, 2018
|
|
Observe the vessels A, B, C and D shown in the figure below carefully
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0
|
13318
|
March 22, 2018
|
|
It is much easier to burst an inflated balloon with a needle than by a finger. Explain
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0
|
5704
|
March 22, 2018
|
|
A rocket has been fired upwards to launch a satellite in its orbit
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0
|
9063
|
March 22, 2018
|
|
Name the forces acting on a plastic bucket containing water held above ground level in your hand
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0
|
1974
|
March 22, 2018
|
|
Two rods of the same weight and equal length have different thickness
|
|
0
|
10841
|
March 22, 2018
|
|
Give two examples of situations in which applied force causes a change in the shape of an object
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0
|
1940
|
March 22, 2018
|
|
It is difficult to cut cloth using a pair of scissors with blunt blades. Explain
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0
|
5010
|
March 22, 2018
|
|
Figure shows a car sticking to an electromagnet. Name the forces acting on the car
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0
|
4487
|
March 22, 2018
|
|
Two thermocol balls held close to each other move away from each other
|
|
0
|
5901
|
March 22, 2018
|
|
Two persons are applying forces on two opposite sides of a moving cart
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|
0
|
5872
|
March 22, 2018
|
|
The figure above shows a man with a parachute
|
|
0
|
2031
|
March 22, 2018
|
|
What are the different methods to reduce friction?
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|
0
|
6208
|
March 22, 2018
|
|
Give examples to show that friction is both a friend and a foe
|
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0
|
1817
|
March 22, 2018
|
|
Two friends are trying to push a heavy load as shown in figure
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0
|
4616
|
March 22, 2018
|
|
Give reason We have two identical metal sheets
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0
|
2840
|
March 22, 2018
|
|
Explain why sliding friction is less than static friction
|
|
0
|
2117
|
March 22, 2018
|
|
When the cutting edge of a knife is put against a fast rotating stone to sharpen it, sparks are seen to fly. Explain the reason
|
|
0
|
4536
|
March 22, 2018
|
|
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?
|
|
0
|
11861
|
March 22, 2018
|
|
Explain why sportsmen use shoes with spikes
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0
|
12147
|
March 22, 2018
|