SS2 second Term biology Past Questions and Answers

SS2 second Term biology Past Questions and Answers

Biology questions with options and answers:

Question: What is the primary function of the circulatory system?

A) Respiration

B) Transportation

C) Digestion

D) Excretion

Answer: B) Transportation

Question: Which part of the human brain is responsible for coordination and balance?

A) Cerebrum

B) Cerebellum

C) Medulla oblongata

D) Thalamus

Answer: B) Cerebellum

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 function of the endocrine system?

A) Coordination and control

B) Nutrient absorption

C) Waste elimination

D) Support and protection

Answer: A) Coordination and control

Question: Which organelle is responsible for the synthesis of proteins in a cell?

A) Nucleus

B) Mitochondrion

C) Ribosome

D) Golgi apparatus

Answer: C) Ribosome

Question: The process of conversion of nitrogen gas into a usable form for plants is called:

A) Nitrogen fixation

B) Nitrification

C) Denitrification

D) Ammonification

Answer: A) Nitrogen fixation

Question: What is the main function of the gallbladder in the digestive system?

A) Producing digestive enzymes

B) Storing bile

C) Absorbing nutrients

D) Mixing food with saliva

Answer: B) Storing bile

Question: Which of the following is a characteristic of prokaryotic cells?

A) Presence of a nucleus

B) Membrane-bound organelles

C) No nuclear membrane

D) Larger size

Answer: C) No nuclear membrane

Question: What is the role of the enzyme lipase in digestion?

A) Protein digestion

B) Lipid digestion

C) Starch digestion

D) Nucleic acid digestion

Answer: B) Lipid digestion

Question: The process by which water is lost from plant leaves is called:

A) Transpiration

B) Photosynthesis

C) Respiration

D) Absorption

Answer: A) Transpiration

Question: Which type of blood vessels carry oxygenated blood away from the heart?

A) Veins

B) Arteries

C) Capillaries

D) Venules

Answer: B) Arteries

Question: In which part of the digestive system does the absorption of nutrients mainly occur?

A) Stomach

B) Small intestine

C) Large intestine

D) Esophagus

Answer: B) Small intestine

Question: What is the function of the iris in the human eye?

A) Vision

B) Color perception

C) Light regulation

D) Tear production

Answer: C) Light regulation

Question: Which of the following is an example of a renewable resource?

A) Coal

B) Natural gas

C) Solar energy

D) Petroleum

Answer: C) Solar energy

Question: The process of gamete formation is known as:

A) Fertilization

B) Meiosis

C) Mitosis

D) DNA replication

Answer: B) Meiosis

Question: What is the function of the nephron in the kidney?

A) Filtration of blood

B) Oxygen transport

C) Digestion

D) Absorption of nutrients

Answer: A) Filtration of blood

Question: Which gas is produced as a byproduct of photosynthesis?

A) Oxygen

B) Carbon dioxide

C) Nitrogen

D) Methane

Answer: A) Oxygen

Question: What is the role of mucus in the respiratory system?

A) Facilitating gas exchange

B) Trapping dust and pathogens

C) Producing sound

D) Oxygen transport

Answer: B) Trapping dust and pathogens

Question: The genetic material in a prokaryotic cell is located in the:

A) Nucleus

B) Mitochondrion

C) Ribosome

D) Nucleoid region

Answer: D) Nucleoid region

Question: Which hormone is responsible for regulating blood sugar levels?

A) Insulin

B) Estrogen

C) Testosterone

D) Adrenaline

Answer: A) Insulin