BPP Science 2

Question 1

What is the process by which water changes from liquid to gas?

Accepted Answer

Evaporation

Answer

Evaporation is the process where liquid water absorbs heat energy and transforms into water vapor at the surface.

Question 2

Which part of the plant conducts photosynthesis primarily?

Accepted Answer

Leaf

Answer

Leaves contain chlorophyll and are the primary site of photosynthesis, capturing sunlight to produce food for the plant.

Question 3

What type of energy is stored in food?

Accepted Answer

Chemical energy

Answer

Food stores chemical energy in the bonds of molecules such as carbohydrates and fats, which the body releases through digestion and metabolism.

Question 4

What is the speed of light in a vacuum approximately equal to?

Accepted Answer

300,000 km/s

Answer

Light travels at approximately 300,000 kilometers per second (3 × 10⁸ m/s) in a vacuum.

Question 5

Which element has the chemical symbol 'O'?

Accepted Answer

Oxygen

Answer

Oxygen, the element essential for breathing and combustion, is represented by the symbol 'O' on the periodic table.

BPP - Bachelor’s Preparatory Programme Practice Test