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 1471: In vegetation propagation, which of the following requires part of another plant to develop? Options:
  A) Scion
  B) Bulb
  C) Rhizome
  D) Sucker
  Show Answer
  The correct answer is A .
• Question 1472: ‘Jointed skeleton’ is absent in the Options:
  A) Cockroach
  B) Spider
  C) Millipede
  D) Snail
  E) Dragon fly
  Show Answer
  The correct answer is D .
• Question 1473: The cell component that is present in a prokaryotic cell is the Options:
  A) Chloroplast
  B) Ribosome
  C) Mitochondrion
  D) Nuclear envelope
  Show Answer
  The correct answer is B .
• Question 1474: Sources of air pollutants are Options:
  A) industrial chimneys, burning fossil oils and river dam
  B) sulphur dioxide, acid rain and pesticides
  C) sulphur mines, vehicle exhausts and aerosols
  D) sewage, smoke and old vehicle
  Show Answer
  The correct answer is C .
• Question 1475: The scapula and the ischium are part of the Options:
  A) pectoral girdle
  B) pelvic girdle
  C) appendicular skeleton
  D) hind limb
  Show Answer
  The correct answer is C .
• Question 1476:

  

  At which stage in this cycle can a man be infected?

  Options:
  A) 2
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is A .
• Question 1477: Fibrinogen and prothrombin play important roles in the Options:
  A) deamination of proteins
  B) clotting of blood
  C) detoxication of substances
  D) storage of vitamins
  Show Answer
  The correct answer is B .
• Question 1478: Paternity dispute can most accurately be resolved through the use of Options:
  A) Finger printing
  B) blood group typing
  C) DNA analysis
  D) tongue-rolling
  Show Answer
  The correct answer is C .
• Question 1479: Ecological succession ends with the formation of a stable Options:
  A) niche
  B) population
  C) pioneer community
  D) climax community
  Show Answer
  The correct answer is D .
• Question 1480: The process of soil erosion is usually from Options:
  A) rill → sheet → gully
  B) gully → rill → sheet
  C) sheet → guly → rill
  D) sheet → rill → gully
  E) rill → gully → sheet
  Show Answer
  The correct answer is D .