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 1761: In typical predator food chain involving secondary and tertiary consumers, the organism become progressively Options:
  A) smaller and more numerous along the food chain
  B) equal in number and size along the food chain
  C) larger and fewer along the food chain
  D) parasitized along the food chain as consumers get bigger
  Show Answer
  The correct answer is C .
• Question 1762: 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 1763: The origin of mineral particles in the soil is Options:
  A) humus
  B) water
  C) micro-organisms
  D) weathered rock
  E) organic matter
  Show Answer
  The correct answer is E .
• Question 1764: The eye defect cause by the development of cloudy areas in the lenses is Options:
  A) presbyopia
  B) glaucoma
  C) cataract
  D) astigmatism
  Show Answer
  The correct answer is C .
• Question 1765: The dark reaction of photosynthesis involves the Options:
  A) reduction of carbon(IV)oxide to organic
  B) release of oxygen and the splitting of water
  C) photolysis of water and the production of starch
  D) splitting of water into hydrogen
  Show Answer
  The correct answer is A .
• Question 1766:

  Examples of micronutrients include the following except

  Options:
  A) vitamins A
  B) Vitamin B6
  C) Biotin
  D) carbon
  Show Answer
  The correct answer is D .
• Question 1767: Alternation of generation is a feature shown in Options:
  A) mosses
  B) fungi
  C) grasses
  D) conifers
  Show Answer
  The correct answer is A .
• Question 1768: In the nitrogen cycle, the nitrates in the soil are converted to atmospheric nitrogen by Options:
  A) puterfying bacteria
  B) nitrogen-fixing bacteria
  C) nitrifying bacteria
  D) denitrifying bacteria
  Show Answer
  The correct answer is D .
• Question 1769: A major difference between platyhelminthees and coelenterates is that platyhelminthes Options:
  A) are multicellular
  B) have developed a mesoderm
  C) reproduce sexually
  D) reproduce asexually
  Show Answer
  The correct answer is B .
• Question 1770: The epiphytic habitat can best be described as Options:
  A) arboreal
  B) estaurine
  C) aquatic
  D) terrestrial
  Show Answer
  The correct answer is A .