WAEC Health Science 2026 Answers

WAEC HEALTH SCIENCE

NUMBER ONE

(1a)
Respiration is the process by which living cells release energy from food.

(1b)
(PICK ANY THREE)
(i) Avoid smoking.
(ii) Exercise regularly.
(iii) Avoid dusty and polluted environments.
(iv) Eat a balanced diet.
(v) Avoid inhaling harmful chemicals.
(vi) Go for regular medical checkups.

(2a)Drug addiction is the state in which a person becomes dependent on drugs and cannot stop using them despite harmful effects.

(2b)Rehabilitation is the process of helping a person recover from drug addiction or illness and return to normal life.

WAEC HEALTH SCIENCE

NUMBER THREE

(3a)
(PICK ANY THREE)
(i) It causes environmental pollution.
(ii) It spreads diseases.
(iii) It blocks drainage channels and causes flooding.
(iv) It produces bad odour.
(v) It attracts flies, rats and other pests.
(vi) It makes the environment untidy.

(3b)
(PICK ANY THREE)
(i) It can poison humans and animals.
(ii) It pollutes the environment.
(iii) It can kill useful insects and organisms.
(iv) It contaminates water and soil.
(v) It can cause health problems such as cancer and skin irritation.
(vi) It reduces soil fertility.

(4a)
(i)Mental health: A state of psychological well-being where an individual can cope with stress, work productively, and contribute to their community.

(4aii)
(i)Exercising regularly
(ii)Seeking counselling/therapy
(iii)Maintaining social relationships

(4b)
(i)Overeating/poor diet
(ii)Lack of physical activity
(iii)Genetic factors

(5a)
Health insurance: A scheme where individuals pay regular premiums to cover medical costs in case of illness or injury.

(5b)
(i)Hospital bills
(ii)Cost of medicines/drugs

(6)
(i)Kyphosis (hunchback)
(ii)Scoliosis (lateral curvature of spine)

WAEC HEALTH SCIENCE

NUMBER SEVEN

(7a)
The class of food item is protein.

(7b)
The end product after digestion is amino acids.

(7c)
(PICK ANY FOUR)
(i) It helps in growth of the body.
(ii) It repairs worn-out tissues.
(iii) It helps in the formation of enzymes and hormones.
(iv) It helps in building body tissues and muscles.
(v) It helps in the production of antibodies.
(vi) It provides energy when needed.
(vii) It helps in maintaining healthy skin and hair.
(viii) It supports proper body functioning.

(7d)
(i) Carbohydrates.
(ii) Fats and oils.
(iii) Vitamins.
(iv) Minerals.

(7e)
(i) Ingestion.
(ii) Digestion.
(iii) Absorption.
(iv) Assimilation.

(7f)
(i) Pepsin.
(ii) Trypsin.
(iii) Erepsin.
(iv) Peptidase.

(7g)
Assimilation is the process by which digested food substances are used by the body cells for growth, repair and energy production

WAEC HEALTH SCIENCE

NUMBER EIGHT

(8a)
Sexually Transmitted Disease (STD).

(8b)
(i) Gonorrhoea.
(ii) Syphilis.
(iii) HIV/AIDS.
(iv) Chlamydia.

(8c)
(PICK ANY FOUR)
(i) Through unprotected sexual intercourse.
(ii) Sharing infected sharp objects such as needles and razors.
(iii) Transfusion of infected blood.
(iv) From infected mother to child during birth or breastfeeding.
(v) Having multiple sexual partners.
(vi) Using unsterilized surgical instruments.
(vii) Sharing toothbrushes with infected persons.
(viii) Tattooing or piercing with contaminated instruments.
(ix) Contact with infected body fluids.

(8d)
(PICK ANY FOUR)
(i) Abstaining from sex.
(ii) Using condoms during sexual intercourse.
(iii) Avoiding multiple sexual partners.
(iv) Avoiding sharing sharp objects.
(v) Going for regular medical checkups.
(vi) Ensuring transfused blood is screened.
(vii) Maintaining faithfulness to one partner.
(viii) Using sterilized instruments in hospitals.
(ix) Seeking early treatment when infected.

(8e)
(i) Bacteria.
(ii) Viruses.
(iii) Fungi.
(iv) Protozoa.

(8f)
(PICK ANY THREE)
(i) It can cause miscarriage.
(ii) It can lead to deformities in the baby.
(iii) It can cause death of the foetus.
(iv) It can cause premature birth.
(v) It can lead to low birth weight.
(vi) It can infect the baby during delivery.
(vii) It can cause blindness in the baby.
(viii) It can weaken the health of the mother and foetus.

(9a)
A quack

(9b)
(i)Claims to cure all diseases
(ii)Has no medical qualifications
(iii)Sells unproven/fake medicines
(iv)Motivated by profit, not patient welfare

(9c)
Drug abuse/self-medication

(9d)
(i)Addiction/dependence
(ii)Organ damage (liver, kidney)
(iii)Death
(iv)Mental/psychological disorders

(9e)
(i)Peer pressure
(ii)Stress/depression
(iii)Poverty
(iv)Ignorance/lack of education

(9f)
(i)Public education/awareness campaigns
(ii)Strict laws against drug peddlers
(iii)Counselling services
(iv)Parental guidance

(9g)
Nostrum: A medicine or remedy of unproven effectiveness, often sold with exaggerated claims by quacks.

HEALTH SCIENCE01-10: BDAADBBCDC11-20: BCCCACBBBC21-30: ABDABBACAA31-40: CCBDDCBCBC41-50: DACCABABBCCOMPLETED