SS3 Third Term Biology Past Questions And Answers
Here are 20 third term SS3 Biology questions with options and answers:
Question: What is the role of the thymus gland in the immune system?
A) Producing red blood cells
B) Maturation of T lymphocytes
C) Digesting food
D) Regulating body temperature
Answer: B) Maturation of T lymphocytes
Question: Which process involves the exchange of genetic material between homologous chromosomes?
A) Mitosis
B) Meiosis
C) Binary fission
D) Budding
Answer: B) Meiosis
Question: What is the function of the bile in the digestive system?
A) Breaking down proteins
B) Emulsifying fats
C) Absorbing nutrients
D) Neutralizing stomach acid
Answer: B) Emulsifying fats
Question: Which part of the respiratory system contains vocal cords?
A) Larynx
B) Trachea
C) Bronchi
D) Pharynx
Answer: A) Larynx
Question: What is the purpose of the endoskeleton in vertebrates?
A) Protection of internal organs
B) External support
C) Gas exchange
D) Energy storage
Answer: A) Protection of internal organs
Question: Which hormone is responsible for regulating calcium levels in the blood?
A) Insulin
B) Thyroxine
C) Parathyroid hormone
D) Adrenaline
Answer: C) Parathyroid hormone
Question: In the life cycle of a flowering plant, what is formed after fertilization?
A) Seed
B) Pollen
C) Ovule
D) Flower
Answer: A) Seed
Question: What is the function of the Eustachian tube in the ear?
A) Hearing
B) Equalizing air pressure
C) Balancing
D) Taste perception
Answer: B) Equalizing air pressure
Question: Which type of blood vessels carry blood away from the heart?
A) Veins
B) Arteries
C) Capillaries
D) Lymph vessels
Answer: B) Arteries
Question: What is the purpose of the vasomotor center in the brain?
A) Controlling voluntary movements
B) Regulating blood pressure
C) Digesting food
D) Maintaining body temperature
Answer: B) Regulating blood pressure
Question: Which structure in the eye is responsible for refracting light?
A) Cornea
B) Retina
C) Lens
D) Iris
Answer: C) Lens
Question: What is the function of the amniotic fluid during pregnancy?
A) Nutrient transport
B) Protection and cushioning
C) Hormone production
D) Oxygen exchange
Answer: B) Protection and cushioning
Question: In the nitrogen cycle, what role do bacteria play?
A) Nitrogen fixation
B) Oxygen production
C) Carbon dioxide absorption
D) Photosynthesis
Answer: A) Nitrogen fixation
Question: What is the purpose of the vestibular system in the inner ear?
A) Taste perception
B) Balancing and spatial orientation
C) Hearing
D) Equalizing air pressure
Answer: B) Balancing and spatial orientation
Question: Which of the following is a function of the integumentary system?
A) Blood clotting
B) Oxygen transport
C) Protection against pathogens and dehydration
D) Digestion of fats
Answer: C) Protection against pathogens and dehydration
Question: What is the purpose of the red bone marrow in the skeletal system?
A) Storage of minerals
B) Blood cell formation
C) Protection of organs
D) Muscle attachment
Answer: B) Blood cell formation
Question: Which part of the nervous system is responsible for involuntary actions like heartbeat and digestion?
A) Central nervous system
B) Peripheral nervous system
C) Autonomic nervous system
D) Somatic nervous system
Answer: C) Autonomic nervous system
Question: What is the function of the gallbladder in the digestive system?
A) Producing bile
B) Storing bile
C) Absorbing nutrients
D) Neutralizing stomach acid
Answer: B) Storing bile
Question: Which enzyme is responsible for breaking down fats in the digestive system?
A) Amylase
B) Lipase
C) Protease
D) Nuclease
Answer: B) Lipase
Question: What is the purpose of the spleen in the immune system?
A) Blood clotting
B) Filtration of blood and storage of red blood cells
C) Oxygen transport
D) ormone production
Answer: B) Filtration of blood and storage of red blood cells.
