Jamb Biology 2023 Past Questions and Answers

Question 1:

• JAMB 2023

Which of the following organs is primarily responsible for excretion in humans?

A. Liver
B. Pancreas
C. Kidneys
D. Lungs

Question 2:

• JAMB 2023

Which of the following is the correct classification of carbohydrates?

A. Lipid
B. Phytonutrient
C. Macronutrient
D. Micronutrient

Question 3:

• JAMB 2023

Which of the following eye defects is caused by the inability of the eye to focus light on the retina?

A. Glaucoma
B. Myopia
C. Cataracts
D. Astigmatism

Question 4:

• JAMB 2023

Germination is the process in which a seed

A. Begins to photosynthesize
B. Develops into a mature plant
C. Absorbs nutrients from the soil
D. Breaks dormancy and starts to grow

Question 5:

• JAMB 2023

Which of the following statements is true regarding sexual reproduction in organisms?

A. It involves the fusion of gametes from two parents, resulting in offspring with genetic variation
B. It involves the production of offspring through a single parent, resulting in genetically identical offspring
C. It is a form of asexual reproduction where offspring are produced without the involvement of gametes
D. It does not involve the formation of gametes or the fusion of reproductive cells