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 421: The part of the human gut that has an acidic content is the Options:
  A) stomach
  B) duodenum
  C) ileum
  D) colon
  Show Answer
  The correct answer is A .
• Question 422:

  Which of the following is evidence of evolution?

  Options:
  A) All of the above.
  B) Similarities in embryonic development
  C) Fossils of extinct organisms
  D) Homologous structures in different species
  Show Answer
  The correct answer is A .
• Question 423:

  

  Use the diagram above to answer this question.

  In which plantation are all the trees between the height of 2-4m?

  Options:
  A) lll
  B) ll
  C) l
  D) lV
  Show Answer
  The correct answer is A .
• Question 424:

  Cytokinesis of mitosis is a process that ensures that

  Options:
  A) each daughter cell gets the necessary organelles
  B) there is distribution of a complete set of genes into each daughter cell
  C) daughter cell inherit new genetic combinations
  D) worn out organelles are excluded from daughter cells
  Show Answer
  The correct answer is B .
• Question 425: Which of the following statements gives the BEST description of bark? Options:
  A) Tissue outside the vascular cambium
  B) Cork-like tissue found only in stems
  C) Brown tissue never found in primary growth
  D) Cork-like tissues of old trees
  Show Answer
  The correct answer is B .
• Question 426: The most important environment factor which epiphytes in the rain forest compete for is Options:
  A) water
  B) nutrients
  C) light
  D) cabinet minister
  E) space
  Show Answer
  The correct answer is C .
• Question 427: The irreversible life process by which new protoplasm is added to increase the size and weight of an organism can be termed Options:
  A) anabolism
  B) catabolism
  C) growth
  D) development
  Show Answer
  The correct answer is C .
• Question 428: Which vitamin plays an important role in blood clotting? Options:
  A) vitamin A
  B) Vitamin K
  C) Vitamin B₁₂
  D) Vitamin C
  Show Answer
  The correct answer is B .
• Question 429: One cubic centimeter of lymph is richer than an equal volume of blood in Options:
  A) erythrocytes
  B) leucocytes
  C) amino acid
  D) glucose
  Show Answer
  The correct answer is B .
• Question 430:
  

  Which level of the pyramid has the least total stored energy?

  Options:
  A) E
  B) F
  C) G
  D) H
  Show Answer
  The correct answer is D .