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 921: The hepatic portal vein is characterized by Options:
  A) Beginning and ending with capillaries
  B) Connecting the liver and the kidney
  C) Carrying deoxygenated blood
  D) Ending with large capillaries
  E) Having no capillaries
  Show Answer
  The correct answer is A .
• Question 922:

  

  A function of the part labelled II is to

  Options:
  A) equalize pressure on both sides of the tympanum
  B) conduct sound waves to the brain
  C) help the animal maintain balance or posture
  D) transform sound waves into electric impulses
  Show Answer
  The correct answer is A .
• Question 923:

  

  Use the diagram above to answer this question.

  The process illustrated is

  Options:
  A) gametogenesis
  B) sporulation
  C) sexual reproduction in Spirogyra
  D) sexual reproduction in Rhizopus
  Show Answer
  The correct answer is D .
• Question 924: Which of the following insects lays its eggs in horny, purse-like cases? Options:
  A) Mosquito
  B) Butterfly
  C) Termite
  D) Cockroach
  Show Answer
  The correct answer is D .
• Question 925:

  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 926:

  

  The type of joint between adjacent bones in the part labelled II is the

  Options:
  A) hinge joint
  B) ball and socket joint
  C) suture joint
  D) sliding joint
  Show Answer
  The correct answer is D .
• Question 927: A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue(tt). what is the probability of each of their children being a tongue roller? Options:
  A) 100%
  B) 75%
  C) 50%
  D) 25%
  Show Answer
  The correct answer is C .
• Question 928: The process of walking is under the control of the part of the brain called Options:
  A) optic lobe
  B) olfactory lobe
  C) cerebellum
  D) medulla oblongata
  Show Answer
  The correct answer is C .
• Question 929: A phenomenon by which an animal goes into a state of dormancy during the dry season is called Options:
  A) hibernation
  B) aestivation
  C) incubation
  D) deactivation
  Show Answer
  The correct answer is B .
• Question 930: The center which controls respiratory activities the mammalian brain is the Options:
  A) cerebrum
  B) olfactory lobe
  C) pituitary organ
  D) cerebellum
  E) medulla
  Show Answer
  The correct answer is E .