Science Series 2026 - Biology Human 0

Question 1: Why should antibiotics not be taken without prescription?

They always cure viruses

They are nutrients

Misuse can cause antibiotic resistance

They make bones stronger

Question 2: Antibiotic resistance means:

Viruses become bacteria

Bacteria no longer get killed by an antibiotic

Antibodies stop working

Bones lose calcium

Question 3: Which of these helps the immune system by producing antibodies?

Red blood cells

Lymphocytes

Platelets

Bone cells

Question 4: Pus at an infected wound mainly contains:

Glucose crystals

Dead white blood cells and microbes

Bone fragments

Bile pigments

Question 5: The immune response that acts immediately and is present from birth is called:

Acquired immunity

Artificial immunity only

Innate immunity

Passive immunity only

Question 6: Acquired immunity differs from innate immunity because it is:

Present at birth

Specific to particular pathogens

Non-specific always

Only in plants

Question 7: Which of these is an example of a physical barrier to infection?

Antibiotic

Skin

Insulin

Antibody

Question 8: The watery tears in eyes help protect by:

Stopping blood flow

Producing bile salts

Increasing glucose

Washing away dust and containing enzymes that kill germs

Question 9: Saliva helps protect the mouth by:

Filtering blood

Producing insulin

Washing away microbes and containing enzymes

Forming bones

Question 10: Which habit increases risk of infection spreading in a community?

Not covering mouth while coughing

Washing hands

Vaccination

Using clean water

Question 11: A vaccine is different from an antibiotic because a vaccine:

Prevents disease by preparing immune system

Is used to digest food

Kills bacteria directly in the body

Is used to filter blood

Question 12: The swelling and redness around a mosquito bite is mainly due to:

Bone growth

Gas exchange

Kidney filtration

Local immune reaction

Question 13: Which of these practices best supports a healthy immune system?

Never washing hands

Only eating fats

Avoiding all water

Balanced diet, sleep and exercise

Question 14: Which of these is an example of a non-communicable disease?

Measles

Common cold

Chickenpox

Diabetes

Question 15: The lymphatic system returns extra fluid from tissues back to the:

Bloodstream

Lungs only

Bones

Stomach

Question 16: Which of these statements is correct about white blood cells?

They produce bile

They can move out of blood vessels to fight infection

They form hard bones

They carry oxygen

Question 17: Which part of blood is mainly involved in carrying antibodies?

Cartilage

Platelets

Red blood cells

Plasma

Question 18: A student says 'vaccines cure diseases instantly'. The correct explanation is:

Vaccines are antibiotics

Vaccines are painkillers

Vaccines are nutrients

Vaccines build immunity; they are mainly preventive

Question 19: Which of these is a correct reason why fever should be monitored?

Very high fever can be harmful even though mild fever can help

Fever increases bone length

Fever stops immunity

Fever always improves digestion

Question 20: Which of the following is a safe health practice to reduce disease spread in Public?

Not washing hands before eating

Staying home when seriously ill and following hygiene

Sharing water bottles

Spitting in public

Quizzes » Science Series 2026 - Biology Human 0