SS3 First Term Biology Past Questions And Answers
20 SS3 first term Biology questions with options and answers:
Question: What is the function of the nucleus in a cell?
A) Energy production
B) Protein synthesis
C) Cell division
D) Waste elimination
Answer: C) Cell division
Question: Which organelle is responsible for cellular respiration?
A) Golgi apparatus
B) Mitochondria
C) Endoplasmic reticulum
D) Ribosomes
Answer: B) Mitochondria
Question: What is the primary function of red blood cells?
A) Carrying oxygen
B) Immune defense
C) Digestion
D) Hormone production
Answer: A) Carrying oxygen
Question: What is the process by which plants make their own food using sunlight?
A) Respiration
B) Photosynthesis
C) Transpiration
D) Fermentation
Answer: B) Photosynthesis
Question: Which of the following is a characteristic of mammals?
A) Cold-blooded
B) Lay eggs
C) Hair or fur
D) Gills for respiration
Answer: C) Hair or fur
Question: What is the function of the ribosomes in a cell?
A) Energy storage
B) Protein synthesis
C) Waste removal
D) DNA replication
Answer: B) Protein synthesis
Question: In which part of the digestive system does nutrient absorption primarily occur?
A) Stomach
B) Small intestine
C) Large intestine
D) Esophagus
Answer: B) Small intestine
Question: What is the role of the endocrine system in the body?
A) Digestion
B) Movement
C) Hormone regulation
D) Blood circulation
Answer: C) Hormone regulation
Question: Which gas is essential for photosynthesis?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
Answer: B) Carbon dioxide
Question: What is the function of white blood cells in the immune system?
A) Carrying oxygen
B) Fighting infections
C) Digesting food
D) Producing antibodies
Answer: B) Fighting infections
Question: What is the purpose of the circulatory system in the human body?
A) Respiration
B) Transportation of nutrients and oxygen
C) Excretion
D) Nervous system regulation
Answer: B) Transportation of nutrients and oxygen
Question: Which type of reproduction involves the fusion of gametes?
A) Asexual reproduction
B) Binary fission
C) Budding
D) Sexual reproduction
Answer: D) Sexual reproduction
Question: What is the function of the chloroplast in plant cells?
A) Protein synthesis
B) Energy production
C) Photosynthesis
D) Storage of genetic material
Answer: C) Photosynthesis
Question: What is the main function of the nervous system?
A) Transporting nutrients
B) Controlling movement
C) Maintaining water balance
D) Producing hormones
Answer: B) Controlling movement
Question: Which part of the flower produces pollen?
A) Petals
B) Sepals
C) Stamen
D) Pistil
Answer: C) Stamen
Question: What is the purpose of the skeletal system?
A) Protection of internal organs
B) Energy production
C) Hormone regulation
D) Blood circulation
Answer: A) Protection of internal organs
Question: Which of the following is a function of the liver?
A) Blood pumping
B) Digestion of fats
C) Oxygen exchange
D) Muscle contraction
Answer: B) Digestion of fats
Question: What is the role of the ozone layer in the atmosphere?
A) Absorbing carbon dioxide
B) Filtering ultraviolet radiation
C) Producing oxygen
D) Regulating temperature
Answer: B) Filtering ultraviolet radiation
Question: What is the purpose of the excretory system in the body?
A) Reproduction
B) Removing waste products
C) Digesting food
D) Controlling body temperature
Answer: B) Removing waste products
Question: Which of the following is a function of the respiratory system?
A) Pumping blood
B) Absorbing nutrients
C) Exchanging gases
D) Producing antibodies
Answer: C) Exchanging gases.
