|
If in a same bus 4 more passenger of total 250 kg sits, then find the new kinetic energy
|
|
1
|
807
|
April 5, 2019
|
|
How does the depletion of ozone layer in stratosphere affect living beings on the Earth?
|
|
1
|
574
|
April 5, 2019
|
|
Explain, the cause of air pollution and the effect it have on other living organisms
|
|
1
|
796
|
April 5, 2019
|
|
What could be the possible reason for the intense pain felt by Sita?
|
|
1
|
761
|
April 5, 2019
|
|
If solubility of a solute is S, find its percentage by weight
|
|
1
|
994
|
April 5, 2019
|
|
Can crop failure be overcome by genetic manipulation in crops? If yes, give reason
|
|
1
|
659
|
April 5, 2019
|
|
What qualities of Manish are worth appreciating?
|
|
1
|
912
|
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
|
795
|
April 5, 2019
|
|
Before giving speech in a hall, the reverberation time has been kept short. Why?
|
|
1
|
632
|
April 5, 2019
|
|
Which student reports that the solution turns green from blue colour?
|
|
1
|
505
|
April 5, 2019
|
|
What will be the least count of the spring balance?
|
|
1
|
553
|
April 5, 2019
|
|
Write the names of two methods used to separate the components of the mixture
|
|
1
|
550
|
April 5, 2019
|
|
Suggest any four points, which can be used during this identification
|
|
1
|
546
|
April 5, 2019
|
|
Differentiate between these two fishes, which help in their identification
|
|
1
|
2155
|
April 5, 2019
|
|
Identify the organisms and the kingdom to which they belong
|
|
1
|
582
|
April 5, 2019
|
|
What kind of colloidal solution is butter? Name a technique to separate butter from cream
|
|
1
|
1615
|
April 5, 2019
|
|
State the three rules proposed by Bohr and Bury, regarding the distribution of electrons in different orbits of an atom
|
|
1
|
1071
|
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
|
2721
|
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
|
398
|
April 5, 2019
|
|
Explain, why filter paper cannot be used to separate colloids?
|
|
1
|
2530
|
April 5, 2019
|
|
Transportation of food from leaves to other plant parts
|
|
1
|
1387
|
April 5, 2019
|
|
Name the protective tissues of plants. Explain them in detail with suitable examples
|
|
1
|
3422
|
April 5, 2019
|
|
What will be the work done by him?
|
|
1
|
2454
|
April 5, 2019
|
|
Write down the applications of ultrasonic waves
|
|
1
|
436
|
April 5, 2019
|
|
Differentiate between thrust and pressure. How does 1 Pascal differ from 1 Newton?
|
|
1
|
1021
|
April 5, 2019
|
|
What values do you observe in the patient?
|
|
1
|
525
|
April 5, 2019
|
|
The distance travelled by the object in 10 s
|
|
1
|
1482
|
April 5, 2019
|
|
What could happen if the needle was not sterilised?
|
|
1
|
565
|
April 5, 2019
|
|
Define the term inertia and its types. A ball and a car, which one has greater inertia?
|
|
1
|
1086
|
April 5, 2019
|
|
Nitrogen-fixing bacteria are found in which plants and why?
|
|
1
|
471
|
April 5, 2019
|