Tissues — Science STD 9 — Question

Complete the following sentence:
The potential energy of a body is the energy by virtue of its _______:

Which of the following statements is incorrect?

Which of the following possesses kinetic energy?

Which of the following statement defines hypertonic solution:

Plant length is increased by:

Find the correct statement:

Naphthalene can be separated for sand:

1. By sublimation.
2. By distillation.
3. By crystallisation.
4. By using water as solvent.

Which of the following is a macronutrient?

Watt hour represents:

Each of the following statement describes a force acting. Which force is causing work to be done?

1. The weight of a book at rest on a table.
2. The pull of a moving railway engine on its coaches.
3. The tension in an elastic band wrapped around a parcel.
4. The push of a person's feet when standing on the floor.