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 1921:

  What are the primary products of photosynthesis?

  Options:
  A) Carbon dioxide and water
  B) Glucose and oxygen
  C) Glucose and carbon dioxide
  D) Oxygen and water
  Show Answer
  The correct answer is B .
• Question 1922: At what stage in the life history of a toad is its mode of breathing similar to that of fish? Options:
  A) Tadpole stage
  B) External gill stage
  C) Adult stage
  D) Internal gill stage
  E) Larval stage
  Show Answer
  The correct answer is A .
• Question 1923: Organisms I, II, III and IV have surface/volume ratios of 1:2, 1:3, 1:4 and 1:5 respectively. The organism that is likely to have the most complex transport system is Options:
  A) IV
  B) III
  C) I
  D) II
  Show Answer
  The correct answer is A .
• Question 1924: Which of the following is common to a dicotyledonous stem and monocotyledonous root? Options:
  A) Medullary rays
  B) Central pith
  C) Wide cortex
  D) Narrow cortex
  E) Pericycle fibres
  Show Answer
  The correct answer is B .
• Question 1925:

  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 1926:

  

  The process of pollination involves the transfer of pollens from

  Options:
  A) II to III
  B) IV to I
  C) I to II
  D) III to IV
  Show Answer
  The correct answer is A .
• Question 1927: In the onion bulb, food is stored in the Options:
  A) stem
  B) lateral buds
  C) cotyledons
  D) outer scale leave
  E) leaf base
  Show Answer
  The correct answer is E .
• Question 1928: The sheet of muscle that separates the thoracic and the abdominal cavities is the Options:
  A) diaphragm
  B) intercostal muscle
  C) pleural memberane
  D) pericardium
  Show Answer
  The correct answer is A .
• Question 1929: In the kidney, the malpighian corpuscles is located in the Options:
  A) medulla
  B) hilium
  C) cortex
  D) pelvis
  Show Answer
  The correct answer is C .
• Question 1930: Which of the following correctly summarizes the life cycle of fern plant? Options:
  A) Spore → prothallus → thallus → sporangium
  B) Male and female gamentangia → zygospores → sporangium → spores
  C) Spore → thallus → spermatozoa + ovum → sporangium
  D) Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore
  Show Answer
  The correct answer is D .