Biology Jamb questions and Answers

Biology Jamb questions and answers

Here are 20 JAMB (Joint Admissions and Matriculation Board) Biology questions with options and answers:

Which of the following is not a component of a cell membrane?

a) Phospholipids

b) Proteins

c) Carbohydrates

d) Nucleic acids

Answer: d) Nucleic acids

In humans, which of the following is responsible for the transport of oxygen in the blood?

a) Hemoglobin

b) Insulin

c) Glucagon

d) Cholesterol

Answer: a) Hemoglobin

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

a) Protein synthesis

b) Energy production

c) Cell division

d) Waste disposal

Answer: b) Energy production

Which of the following is a greenhouse gas associated with climate change?

a) Oxygen (O2)

b) Carbon dioxide (CO2)

c) Nitrogen (N2)

d) Hydrogen (H2)

Answer: b) Carbon dioxide (CO2)

In a food chain, which organisms are typically at the highest trophic level?

a) Herbivores

b) Carnivores

c) Producers

d) Decomposers

Answer: b) Carnivores

What is the function of the ribosomes in a cell?

a) Energy production

b) Protein synthesis

c) Cell division

d) Lipid synthesis

Answer: b) Protein synthesis

Which of the following is not part of the human respiratory system?

a) Trachea

b) Esophagus

c) Lungs

d) Bronchi

Answer: b) Esophagus

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

a) DNA (Deoxyribonucleic Acid)

b) RNA (Ribonucleic Acid)

c) Proteins

d) Carbohydrates

Answer: a) DNA (Deoxyribonucleic Acid)

Which process is responsible for the production of gametes (sperm and egg cells)?

a) Mitosis

b) Meiosis

c) Photosynthesis

d) Respiration

Answer: b) Meiosis

Which of the following is a vertebrate class that includes animals with feathers and beaks?

a) Mammalia

b) Amphibia

c) Aves

d) Reptilia

Answer: c) Aves

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

a) Digestion of food

b) Transportation of oxygen and nutrients

c) Production of hormones

d) Filtering waste products

Answer: b) Transportation of oxygen and nutrients

Which of the following is an example of a monosaccharide?

a) Glucose

b) Sucrose

c) Lactose

d) Starch

Answer: a) Glucose

What is the main function of the large intestine in the digestive system?

a) Absorption of nutrients

b) Digestion of proteins

c) Reabsorption of water and formation of feces

d) Secretion of digestive enzymes

Answer: c) Reabsorption of water and formation of feces

Which of the following is a function of the nervous system?

a) Production of red blood cells

b) Regulation of body temperature

c) Transmission of electrical signals

d) Digestion of food

Answer: c) Transmission of electrical signals

Which of the following is an example of a parasitic protist that causes malaria?

a) Trypanosoma

b) Plasmodium

c) Amoeba

d) Paramecium

Answer: b) Plasmodium

What is the name of the process by which plants make their own food using sunlight?

a) Respiration

b) Photosynthesis

c) Fermentation

d) Transpiration

Answer: b) Photosynthesis

Which part of a flower contains the male reproductive organs?

a) Petal

b) Stamen

c) Pistil

d) Sepal

Answer: b) Stamen

What is the smallest unit of life that can carry out all the functions necessary for life?

a) Tissue

b) Organ

c) Cell

d) Organism

Answer: c) Cell

Which of the following is an example of an arthropod?

a) Earthworm

b) Spider

c) Snail

d) Starfish

Answer: b) Spider

What is the process by which an organism's DNA is copied to make a complementary RNA strand?

a) Transcription

b) Translation

c) Replication

d) Mutation

Answer: a) Transcription