Jamb Biology 2023 Past Questions and Answers

Question 71:

• JAMB 2023

Which of the following is the most inclusive level of classification in the Linnaean system?

A. Kingdom
B. Phylum
C. Domain
D. Class

Question 72:

• JAMB 2023

Which of the following describes the inheritance of traits from parents to offspring?

A. Adaptation
B. Evolution
C. Natural selection
D. Genetics

Question 73:

• JAMB 2023

Which of the following statements best describes the role of competition in the process of adaptation?

A. Competition leads to the selection of individuals with favorable traits for survival and reproduction
B. Competition ensures equal distribution of resources among individuals in a population
C. Competition leads to the development of new traits and adaptations in a population
D. Competition reduces the need for adaptations as individuals coexist peacefully

Question 74:

• JAMB 2023

Which of the following statements is true regarding sex-linked traits?

A. Sex-linked traits are located on the sex chromosomes
B. Sex-linked traits are inherited only from the mother
C. Sex-linked traits are more commonly observed in females
D. Sex-linked traits are not influenced by hormonal factors

Question 75:

• JAMB 2023

Which of the following is a plant hormone responsible for promoting cell elongation and growth?

A. Abscisic acid
B. Gibberellins
C. Ethylene
D. Cytokinins