Question 21:

• BECE 2023

Which organ is responsible for filtering blood in the human body?

A. Heart
B. Lungs
C. Kidneys
D. Stomach
E. Liver

Question 22:

• BECE 2023

Which of the following is an example of a chemical change?

A. Melting of ice
B. Boiling of water
C. Rusting of iron
D. Freezing of water
E. Condensation of steam

Question 23:

• BECE 2023

Which of the following is the brain of the computer?

A. RAM
B. Hard drive
C. CPU
D. Monitor
E. Keyboard

Question 24:

• BECE 2023

What is the most abundant gas in the Earth's atmosphere?

A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
E. Methane

Question 25:

• BECE 2023

Which of the following is a form of exercise that improves cardiovascular health?

A. Weight lifting
B. Yoga
C. Running
D. Stretching
E. Meditation