SS2 Second Term Biology Past Questions And Answers
20 second-term Biology questions with options and answers:
Question: What is the primary function of the Golgi apparatus in a cell?
a) Energy production
b) Protein synthesis
c) Packaging and modifying proteins
d) Waste elimination
Answer: c) Packaging and modifying proteins
Question: Which process involves the conversion of glucose into ATP, providing energy for cellular activities?
a) Photosynthesis
b) Glycolysis
c) Respiration
d) Fermentation
Answer: c) Respiration
Question: In which phase of the cell cycle does DNA replication occur?
a) G1 phase
b) S phase
c) G2 phase
d) M phase
Answer: b) S phase
Question: What is the role of mitochondria in a cell?
a) Photosynthesis
b) Cellular respiration
c) Protein synthesis
d) DNA replication
Answer: b) Cellular respiration
Question: Which gas is released during the process of cellular respiration?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Answer: b) Carbon dioxide
Question: What is the purpose of the endoplasmic reticulum in a cell?
a) Energy storage
b) Lipid synthesis
c) Protein synthesis
d) Cell movement
Answer: b) Lipid synthesis
Question: Which type of RNA carries amino acids to the ribosome during protein synthesis?
a) mRNA (messenger RNA)
b) tRNA (transfer RNA)
c) rRNA (ribosomal RNA)
d) snRNA (small nuclear RNA)
Answer: b) tRNA
Question: What is the function of the pancreas in the digestive system?
a) Producing bile
b) Absorbing nutrients
c) Regulating blood sugar
d) Storing excess nutrients
Answer: c) Regulating blood sugar
Question: Which blood type is considered the universal donor?
a) A
b) B
c) AB
d) O
Answer: d) O
Question: What is the primary function of white blood cells in the immune system?
a) Carrying oxygen
b) Fighting infections
c) Clotting blood
d) Transporting nutrients
Answer: b) Fighting infections
Question: What is the purpose of the mucus in the respiratory system?
a) Facilitating gas exchange
b) Trapping dust and pathogens
c) Producing antibodies
d) Regulating blood pressure
Answer: b) Trapping dust and pathogens
Question: Which hormone is responsible for regulating metabolism?
a) Insulin
b) Thyroxine
c) Adrenaline
d) Estrogen
Answer: b) Thyroxine
Question: What is the function of the gallbladder in the digestive system?
a) Producing enzymes
b) Storing bile
c) Absorbing nutrients
d) Regulating blood sugar
Answer: b) Storing bile
Question: In which part of the human eye does light entering the eye focus?
a) Retina
b) Cornea
c) Lens
d) Iris
Answer: c) Lens
Question: What is the role of platelets in the circulatory system?
a) Carrying oxygen
b) Fighting infections
c) Clotting blood
d) Transporting nutrients
Answer: c) Clotting blood
Question: Which process involves the removal of nitrogenous waste from the body?
a) Filtration
b) Osmosis
c) Diffusion
d) Excretion
Answer: d) Excretion
Question: What is the function of the thymus gland in the immune system?
a) Producing antibodies
b) Regulating blood sugar
c) Maturation of T lymphocytes
d) Storing excess nutrients
Answer: c) Maturation of T lymphocytes
Question: What is the role of the skeletal muscles in the human body?
a) Providing support and protection
b) Pumping blood
c) Regulating body temperature
d) Facilitating movement
Answer: d) Facilitating movement
Question: Which part of the nervous system controls involuntary bodily functions 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 sinoatrial node in the heart?
a) Pumping blood
b) Initiating the heartbeat
c) Oxygenating blood
d) Regulating blood pressure
Answer: b) Initiating the heartbeat.
