Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 961:

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

  Options:
  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
  Show Answer
  The correct answer is B .
• Question 962: All the sons of a colour-blind woman will be coloured blind regardless of the state of the father because Options:
  A) the egg determines the phenotype of the son
  B) sons inherit the sex chromosome of their mothers
  C) the father's sex chromosomes is weaker in sons
  D) sex-linked traits express dominance in females
  Show Answer
  The correct answer is D .
• Question 963:

  What is the primary function of the liver in the human body?

  Options:
  A) Regulation of body temperature
  B) Regulation of blood pressure
  C) Production of hormones
  D) Detoxification and metabolism of nutrients and drugs
  Show Answer
  The correct answer is D .
• Question 964:

  

  The part that is similar to the bone is labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is D .
• Question 965:

  Which of the following is an example of conserving resources in an ecosystem

  Options:
  A) Excessive use of chemical fertilizers in agriculture
  B) Introducing invasive species to an ecosystem
  C) Implementing sustainable fishing practices
  D) Cutting down trees for timber production
  Show Answer
  The correct answer is C .
• Question 966: A limited factor in a plant population near a chemical factory is likely to be Options:
  A) Light
  B) Humidity
  C) wind
  D) pH
  Show Answer
  The correct answer is D .
• Question 967:

  

  Which organism in the pyramid functions as a tertiary consumer?

  Options:
  A) Algea
  B) Shark
  C) Tadpole
  D) Tilapia
  Show Answer
  The correct answer is B .
• Question 968: The exchange of genes between homologous chromosomes is called Options:
  A) test cross
  B) back cross
  C) crossing-over
  D) mutation
  Show Answer
  The correct answer is C .
• Question 969:

  When a Spirogyra cell is immersed in a salt solution more concentrated than its cell sap,it?

  Options:
  A) remains unchanged
  B) takes tip water and burst
  C) absorbs a little water
  D) loses water and shrivels
  Show Answer
  The correct answer is D .
• Question 970:

  An example of arboreal animal is?

  Options:
  A) squirrels
  B) duck
  C) pig
  D) rat
  Show Answer
  The correct answer is A .