Jamb Biology 2023 Past Questions and Answers

Question 6:

• JAMB 2023

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

A. Pollination
B. Vegetative propagation
C. Seed dispersal
D. Fertilization

Question 7:

• JAMB 2023

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

A. Mesophyll
B. Xylem
C. Epidermis
D. Phloem

Question 8:

• JAMB 2023

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

Question 9:

• JAMB 2023

Which of the following best describes physiological variation in ?

A. Variations in the physiological processes and functions of organisms
B. Differences in physical characteristics and appearance within a population
C. Differences in behavior and social interactions among individuals
D. Variations in the genetic makeup of individuals within a species

Question 10:

• JAMB 2023

Which of the following options correctly identifies excretory organs in animals?

A. Stomach, intestines, and bladder
B. Lungs, kidneys, and skin
C. Brain, spinal cord, and nerves
D. Heart, liver, and spleen