|
If in a same bus 4 more passenger of total 250 kg sits, then find the new kinetic energy
|
|
1
|
811
|
April 5, 2019
|
|
How does the depletion of ozone layer in stratosphere affect living beings on the Earth?
|
|
1
|
579
|
April 5, 2019
|
|
Explain, the cause of air pollution and the effect it have on other living organisms
|
|
1
|
801
|
April 5, 2019
|
|
What could be the possible reason for the intense pain felt by Sita?
|
|
1
|
764
|
April 5, 2019
|
|
If solubility of a solute is S, find its percentage by weight
|
|
1
|
999
|
April 5, 2019
|
|
Can crop failure be overcome by genetic manipulation in crops? If yes, give reason
|
|
1
|
667
|
April 5, 2019
|
|
What qualities of Manish are worth appreciating?
|
|
1
|
916
|
April 5, 2019
|
|
A stone is dropped from the top of a tower 125 m high into a pond of water base of the tower. When is splash heard at the top
|
|
1
|
800
|
April 5, 2019
|
|
Before giving speech in a hall, the reverberation time has been kept short. Why?
|
|
1
|
637
|
April 5, 2019
|
|
Which student reports that the solution turns green from blue colour?
|
|
1
|
512
|
April 5, 2019
|
|
What will be the least count of the spring balance?
|
|
1
|
557
|
April 5, 2019
|
|
Write the names of two methods used to separate the components of the mixture
|
|
1
|
559
|
April 5, 2019
|
|
Suggest any four points, which can be used during this identification
|
|
1
|
551
|
April 5, 2019
|
|
Differentiate between these two fishes, which help in their identification
|
|
1
|
2165
|
April 5, 2019
|
|
Identify the organisms and the kingdom to which they belong
|
|
1
|
587
|
April 5, 2019
|
|
What kind of colloidal solution is butter? Name a technique to separate butter from cream
|
|
1
|
1622
|
April 5, 2019
|
|
State the three rules proposed by Bohr and Bury, regarding the distribution of electrons in different orbits of an atom
|
|
1
|
1076
|
April 5, 2019
|
|
Explain why the number of atoms in one mole of hydrogen gas is double the number of atoms in one mole of helium gas?
|
|
1
|
2727
|
April 5, 2019
|
|
Calculate the ratio of the gravitational acceleration of the Earth due to the Sum with that of the Earth due to the Moon
|
|
1
|
405
|
April 5, 2019
|
|
Explain, why filter paper cannot be used to separate colloids?
|
|
1
|
2537
|
April 5, 2019
|
|
Transportation of food from leaves to other plant parts
|
|
1
|
1408
|
April 5, 2019
|
|
Name the protective tissues of plants. Explain them in detail with suitable examples
|
|
1
|
3428
|
April 5, 2019
|
|
What will be the work done by him?
|
|
1
|
2460
|
April 5, 2019
|
|
Write down the applications of ultrasonic waves
|
|
1
|
440
|
April 5, 2019
|
|
Differentiate between thrust and pressure. How does 1 Pascal differ from 1 Newton?
|
|
1
|
1026
|
April 5, 2019
|
|
What values do you observe in the patient?
|
|
1
|
530
|
April 5, 2019
|
|
The distance travelled by the object in 10 s
|
|
1
|
1488
|
April 5, 2019
|
|
What could happen if the needle was not sterilised?
|
|
1
|
569
|
April 5, 2019
|
|
Define the term inertia and its types. A ball and a car, which one has greater inertia?
|
|
1
|
1093
|
April 5, 2019
|
|
Nitrogen-fixing bacteria are found in which plants and why?
|
|
1
|
478
|
April 5, 2019
|