Matric Life Sciences

Question 1

Which organelle is known as the powerhouse of the cell?

Accepted Answer

Mitochondrion

Answer

Nucleus

Answer

Ribosome

Answer

Golgi body

Question 2

What is the process by which green plants make food using sunlight?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Digestion

Question 3

DNA carries the genetic code. What are the four bases of DNA?

Accepted Answer

A, T, G and C

Answer

A, T, C and U

Answer

A, U, G and C

Answer

T, U, G and C

Question 4

In humans, which blood vessels carry blood away from the heart?

Accepted Answer

Arteries

Answer

Veins

Answer

Capillaries

Answer

Venules

Question 5

Which part of the human eye controls the amount of light entering it?

Accepted Answer

Iris

Answer

Cornea

Answer

Retina

Answer

Lens

Question 6

Natural selection was proposed as a mechanism of evolution by which scientist?

Accepted Answer

Charles Darwin

Answer

Gregor Mendel

Answer

Louis Pasteur

Answer

Robert Hooke

Question 7

Which gas is taken in by humans during breathing and used in cellular respiration?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Nitrogen

Answer

Hydrogen

Question 8

What is the basic structural and functional unit of all living organisms?

Accepted Answer

The cell

Answer

The tissue

Answer

The organ

Answer

The molecule