Biology Post UTME past questions and answers

Biology Post UTME past questions and answers

Here are 20 sample biology questions with options and answers:

What is the primary function of the mitochondria in a cell?

A) Protein synthesis

B) Energy production

C) DNA replication

D) Waste removal

Answer: B) Energy production

Which of the following is the largest organ in the human body?

A) Liver

B) Heart

C) Skin

D) Brain

Answer: C) Skin

In humans, the presence of an extra copy of the 21st chromosome leads to which condition?

A) Down syndrome

B) Hemophilia

C) Cystic fibrosis

D) Alzheimer's disease

Answer: A) Down syndrome

What is the process by which green plants convert sunlight into chemical energy?

A) Respiration

B) Fermentation

C) Photosynthesis

D) Digestion

Answer: C) Photosynthesis

Which blood type is considered the universal recipient?

A) A

B) B

C) AB

D) O

Answer: C) AB

What is the smallest unit of life that can carry out all the processes of life?

A) Molecule

B) Cell

C) Tissue

D) Organ

Answer: B) Cell

Which of the following is responsible for carrying oxygen in the blood?

A) White blood cells

B) Platelets

C) Red blood cells

D) Plasma

Answer: C) Red blood cells

What is the role of the ribosomes in a cell?

A) Energy production

B) Protein synthesis

C) DNA replication

D) Waste removal

Answer: B) Protein synthesis

Which part of the human brain is responsible for regulating basic functions such as breathing and heart rate?

A) Cerebellum

B) Cerebrum

C) Medulla oblongata

D) Hypothalamus

Answer: C) Medulla oblongata

Which of the following is a hormone produced by the pancreas that regulates blood sugar levels?

A) Insulin

B) Testosterone

C) Estrogen

D) Adrenaline

Answer: A) Insulin

What is the process by which an organism develops from a fertilized egg into an adult?

A) Metabolism

B) Reproduction

C) Development

D) Evolution

Answer: C) Development

In which part of a plant does photosynthesis primarily occur?

A) Roots

B) Leaves

C) Stems

D) Flowers

Answer: B) Leaves

What is the name of the genetic material found in the nucleus of eukaryotic cells?

A) DNA

B) RNA

C) ATP

D) Enzymes

Answer: A) DNA

Which of the following is a vector for transmitting diseases such as malaria and dengue fever?

A) House fly

B) Mosquito

C) Cockroach

D) Ant

Answer: B) Mosquito

What is the term for the process by which plants lose water vapor through small openings in their leaves?

A) Photosynthesis

B) Transpiration

C) Respiration

D) Fermentation

Answer: B) Transpiration

Which of the following is an example of a renewable energy source?

A) Coal

B) Natural gas

C) Solar power

D) Uranium

Answer: C) Solar power

What is the main function of the circulatory system in the human body?

A) Digestion

B) Transportation of oxygen and nutrients

C) Breathing

D) Excretion

Answer: B) Transportation of oxygen and nutrients

What is the process by which organisms break down food to release energy?

A) Reproduction

B) Photosynthesis

C) Respiration

D) Digestion

Answer: C) Respiration

Which of the following is the smallest bone in the human body?

A) Femur

B) Tibia

C) Stapes

D) Humerus

Answer: C) Stapes

What is the term for the process of cell division that results in two identical daughter cells?

A) Mitosis

B) Meiosis

C) Fertilization

D) Replication

Answer: A) Mitosis.