Biology 2023 JAMB Past Questions

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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

Which of the following is a method of asexual reproduction in plants?

Which of the following plant tissues is responsible for transporting water and nutrients from the roots to the rest of the plant?

Which of the following statements best describes courtship behaviors in animals?

A. Courtship behaviors are solely performed by males to establish dominance within a social group
B. Courtship behaviors involve displays and rituals performed by both males and females to attract a mate
C. Courtship behaviors are primarily performed by females to attract males for mating
D. Courtship behaviors are aggressive interactions between males competing for a female mate

Which of the following best describes physiological variation in biology?