BPP Science 3

Question 1

Which state of matter has a definite shape and volume?

Accepted Answer

Solid

Answer

Solids have a definite shape and volume because their particles are tightly packed and vibrate in fixed positions.

Question 2

What is the center of an atom called?

Accepted Answer

Nucleus

Answer

The nucleus is the dense central core of an atom that contains protons and neutrons.

Question 3

What is the food-making process in plants called?

Accepted Answer

Photosynthesis

Answer

Photosynthesis is the process by which plants use sunlight, carbon dioxide, and water to produce glucose and oxygen.

Question 4

Which vitamin is produced by the skin when exposed to sunlight?

Accepted Answer

Vitamin D

Answer

The skin synthesizes Vitamin D when exposed to ultraviolet (UV) rays from sunlight, which is essential for bone health.

Question 5

What type of simple machine is a door knob?

Accepted Answer

Wheel and axle

Answer

A door knob is a wheel and axle simple machine, where the knob (wheel) rotates the axle (spindle) to unlatch the door.

BPP - Bachelor’s Preparatory Programme Practice Test