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 1801: Which of the following animals has homodont dentition? Options:
  A) Rat
  B) Man
  C) Lizard
  D) Pigeon
  Show Answer
  The correct answer is C .
• Question 1802: A plant tissue that carries water and mineral salts is the Options:
  A) cambium
  B) xylem
  C) cortex
  D) phloem
  Show Answer
  The correct answer is B .
• Question 1803: Blood grouping in human beings is derived from combinations of Options:
  A) two different alleles
  B) four different alleles
  C) three different alleles
  D) two different genes
  Show Answer
  The correct answer is B .
• Question 1804: The order of passage of food in the digestive system is? Options:
  A) ileum → caecum → large intestine → rectum
  B) ileum → colon → caecum →rectum
  C) large intestine →ileum → caecum →rectum
  D) colon → caecum → ileum →rectum
  Show Answer
  The correct answer is A .
• Question 1805: The type of asexual reproduction that is common to both Paramecium and protists is Options:
  A) budding
  B) sporulation
  C) fragmentation
  D) fission
  Show Answer
  The correct answer is D .
• Question 1806:

  When a cell is placed in solution and the size of the cell increases, the concentration of solution is said to be

  Options:
  A) isotonic
  B) dilute
  C) hypotonic
  D) hypertonic
  Show Answer
  The correct answer is C .
• Question 1807:

  

  The part labelled I and II constitute the

  Options:
  A) Crown
  B) neck
  C) root
  D) gum
  Show Answer
  The correct answer is A .
• Question 1808: Which of these is not associated with tadpole stages of toad or frog Options:
  A) V-shaped gland
  B) operculum
  C) external gills
  D) jelly
  E) shell
  Show Answer
  The correct answer is E .
• Question 1809: In the living cells, insufficient oxygen may cause a breakdown of glucose into Options:
  A) fatty acids
  B) lactic acids
  C) glycogen
  D) carbon dioxide
  Show Answer
  The correct answer is B .
• Question 1810:

  Which of the following statements is true regarding sexual reproduction in organisms?

  Options:
  A) It involves the fusion of gametes from two parents, resulting in offspring with genetic variation
  B) It involves the production of offspring through a single parent, resulting in genetically identical offspring
  C) It is a form of asexual reproduction where offspring are produced without the involvement of gametes
  D) It does not involve the formation of gametes or the fusion of reproductive cells
  Show Answer
  The correct answer is A .