Jamb Biology 2023 Past Questions and Answers

Question 46:

• JAMB 2023

Which of the following functions is performed by the skin to help maintain homeostasis in the human body?

A. Regulation of body temperature
B. Filtration of blood
C. Production of hormones
D. Digestion of food

Question 47:

• JAMB 2023

Which of the following soil types becomes less fertile due to the intense leaching caused by tropical rains?

A. Yellow soil
B. Laterite soil
C. Red soils
D. Black soil

Question 48:

• JAMB 2023

Which type of reproduction involves the fusion of gametes from two parents?

A. Sexual reproduction
B. Asexual reproduction
C. Binary fission
D. Budding

Question 49:

• JAMB 2023

Which processes are involved in nutrient cycling in a functioning ecosystem?

A. Erosion, weathering, and sedimentation
B. Decomposition, evaporation, and precipitation
C. Nitrogen fixation, denitrification, and ammonification
D. Respiration, photosynthesis, and transpiration

Question 50:

• JAMB 2023

What is autotrophic nutrition?

A. Nutrition in which organisms obtain food by breaking down complex organic compounds.
B. Nutrition in which organisms obtain food from other organisms
C. Nutrition in which organisms obtain food by consuming both plants and animals
D. Nutrition in which organisms produce their own food using energy from the sun or inorganic substances