|
In the figure given below mark the positions of the endocrine glands which release the hormones that
|
|
0
|
1127
|
March 23, 2018
|
|
Name the hormone which would be released during the following situations:
|
|
0
|
4928
|
March 23, 2018
|
|
What is menstruation? Explain
|
|
0
|
22965
|
March 23, 2018
|
|
Fill the blank circles in figure and identify the sex of child A and B
|
|
0
|
6735
|
March 23, 2018
|
|
A few of Paheli’s classmates eat potato chips and burgers regularly during the recess at school
|
|
0
|
1015
|
March 23, 2018
|
|
We should avoid taking medicines/drugs unless prescribed by a doctor. Give reasons
|
|
0
|
1583
|
March 23, 2018
|
|
Mention any two features that are seen in boys and girls each to distinguish them from each other at puberty
|
|
0
|
1186
|
March 23, 2018
|
|
Two women are of the same weight. One wears sandals with pointed heels while the other wears sandals with flat soles
|
|
0
|
5739
|
March 22, 2018
|
|
In the following situations, identify the agent exerting the force and the object on which it acts
|
|
0
|
5834
|
March 22, 2018
|
|
Give two examples each of situations in which you push or pull to change the state of motion of objects
|
|
0
|
31847
|
March 22, 2018
|
|
An archer shoots an arrow in the air horizontally
|
|
0
|
5626
|
March 22, 2018
|
|
Observe the vessels A, B, C and D shown in the figure below carefully
|
|
0
|
13275
|
March 22, 2018
|
|
It is much easier to burst an inflated balloon with a needle than by a finger. Explain
|
|
0
|
5686
|
March 22, 2018
|
|
A rocket has been fired upwards to launch a satellite in its orbit
|
|
0
|
9052
|
March 22, 2018
|
|
Name the forces acting on a plastic bucket containing water held above ground level in your hand
|
|
0
|
1960
|
March 22, 2018
|
|
Two rods of the same weight and equal length have different thickness
|
|
0
|
10805
|
March 22, 2018
|
|
Give two examples of situations in which applied force causes a change in the shape of an object
|
|
0
|
1925
|
March 22, 2018
|
|
It is difficult to cut cloth using a pair of scissors with blunt blades. Explain
|
|
0
|
4984
|
March 22, 2018
|
|
Figure shows a car sticking to an electromagnet. Name the forces acting on the car
|
|
0
|
4469
|
March 22, 2018
|
|
Two thermocol balls held close to each other move away from each other
|
|
0
|
5881
|
March 22, 2018
|
|
Two persons are applying forces on two opposite sides of a moving cart
|
|
0
|
5865
|
March 22, 2018
|
|
The figure above shows a man with a parachute
|
|
0
|
2006
|
March 22, 2018
|
|
What are the different methods to reduce friction?
|
|
0
|
6193
|
March 22, 2018
|
|
Give examples to show that friction is both a friend and a foe
|
|
0
|
1805
|
March 22, 2018
|
|
Two friends are trying to push a heavy load as shown in figure
|
|
0
|
4587
|
March 22, 2018
|
|
Give reason We have two identical metal sheets
|
|
0
|
2809
|
March 22, 2018
|
|
Explain why sliding friction is less than static friction
|
|
0
|
2102
|
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
|
4526
|
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
|
11851
|
March 22, 2018
|
|
Explain why sportsmen use shoes with spikes
|
|
0
|
12130
|
March 22, 2018
|