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 591:

  Long neck in giraffe is used to illustrate the theory of

  Options:
  A) Use and Disuse
  B) Origin of species
  C) Origin of life
  D) Natural selection
  Show Answer
  The correct answer is A .
• Question 592: The vector that transmit trypanosome is the Options:
  A) butterfly
  B) housefly
  C) mosquito
  D) tsetse fly
  Show Answer
  The correct answer is D .
• Question 593:

  Which organs are part of the alimentary canal in the human digestive system?

  Options:
  A) Salivary glands, tongue, and pharynx
  B) Large intestine, appendix, and rectum
  C) Stomach, liver, and gallbladder
  D) Oesophagus, pancreas, and small intestine
  Show Answer
  The correct answer is D .
• Question 594:

  

  The structure labelled 2 is the

  Options:
  A) compound eye
  B) ocellus
  C) antenna
  D) labial palp
  Show Answer
  The correct answer is D .
• Question 595:

  Reading the verdict of a case by a magistrate is an example of

  Options:
  A) A reflex action
  B) An instinct
  C) A conditioned reflex
  D) A voluntary action
  Show Answer
  The correct answer is D .
• Question 596:

  

  In a reflex action, impulse flows from

  Options:
  A) 1 to 2
  B) 2 to 1
  C) 4 to 1
  D) 4 to 2
  Show Answer
  The correct answer is A .
• Question 597: In a food chain, each succeeding level in a forward direction represents Options:
  A) an increase in the number of individuals
  B) a decrease in the number of individuals
  C) an increase in the biomass of individuals
  D) a gain in the total energy being transferred
  Show Answer
  The correct answer is C .
• Question 598:

  

  Ovoviparity is the type of fertilization exhibited by the organism labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is C .
• Question 599:

  Which of the following is an example of continous variation?

  Options:
  A) Human blood groups
  B) Sex difference in human
  C) Haemoglobin types
  D) Height in humans
  Show Answer
  The correct answer is D .
• Question 600:

  The type of fruit that is formed from a single flower having several free carpels is?

  Options:
  A) indehiscent fruit
  B) aggregate fruit
  C) simple fruit
  D) fleshy fruit
  Show Answer
  The correct answer is B .