40 Multiple Choice Questions (1 mark each) - Biology

Which organelle contains genetic instructions for an organism’s traits?

• Cytoplasm

• Nucleus

• Cell wall

• Ribosome

What molecule carries genetic information in cells?

• ATP

• Protein

• DNA

• Glucose

Which disease is passed from one person to another?

• Asthma

• Diabetes

• Flu

• Heart disease

What is one purpose of white blood cells?

• Carry oxygen

• Transport nutrients

• Attack pathogens

• Store fat

Why do vaccines prevent illness?

• They contain strong antibiotics.

• They train the immune system to respond.

• They remove viruses from the blood.

• They replace white blood cells.

What is the best explanation for why you get fewer symptoms the second time you're infected by the same pathogen?

• You eat better food.

• The pathogen is weaker.

• Your memory cells respond faster.

• Your temperature is lower.

Which disease is caused by a lack of insulin?

• Type 2 diabetes

• Type 1 diabetes

• Cancer

• Influenza

Which of the following is a non-communicable disease?

• Measles

• COVID-19

• Asthma

• Chickenpox

Which system is most directly responsible for defending the body against pathogens?

• Circulatory system

• Nervous system

• Immune system

• Excretory system

Which structure absorbs oxygen in the lungs?

• A. Alveolus

• B. Bronchus

• C. Trachea

• D. Diaphragm