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 1001:

  The alternate form of a gene is

  Options:
  A) Alternate type
  B) Dominant character
  C) Recessive character
  D) Allele
  Show Answer
  The correct answer is D .
• Question 1002:

  

  After circulation in the lungs, the blood returns to the left auricle through

  Options:
  A) 1
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is D .
• Question 1003: The basking of Agama lizards in the sun is to Options:
  A) change the colour of their body
  B) raise their body temperature to become active
  C) fight to defend their territories
  D) attract the female for courtship
  Show Answer
  The correct answer is B .
• Question 1004: The crown of the mammalian tooth is covered with Options:
  A) cement
  B) dentine
  C) caries
  D) enamel
  Show Answer
  The correct answer is D .
• Question 1005: Treatment of a poor soil with lime supplies Options:
  A) Sulphur
  B) Calcium
  C) Phosphorus
  D) Sodium
  E) Nitrogen
  Show Answer
  The correct answer is B .
• Question 1006:

  The components of blood in man are?

  Options:
  A) red blood cells, white blood cells, plasma and water
  B) red blood cells, white blood cells, and plasma
  C) red blood cells, white blood cells, and platelets
  D) red blood cells, white blood cells, plasma and platelets
  Show Answer
  The correct answer is D .
• Question 1007: A flowering plant is monoecious if Options:
  A) The androecium is found on one plant
  B) The gynoecium is monocarpous
  C) It produce essential organ
  D) The gynoecium and androecium are on the same plant
  E) The flowers are unisexual
  Show Answer
  The correct answer is D .
• Question 1008: Most monocots are easily recognized by their Options:
  A) short leaves with petioles
  B) long and sword-like leaves
  C) long and palm like leaves
  D) short with veinlets
  Show Answer
  The correct answer is B .
• Question 1009:

  Study the diagram of a food chain shown and use it to answer the question.

  P ---> Q ---> R ---> S ---> T

  The organism designated P in the food chain above is normally sustained by energy from

  Options:
  A) sunlight
  B) carbohydrates
  C) green plants
  D) mineral salts
  Show Answer
  The correct answer is A .
• Question 1010: Fungi are heterotropic because they Options:
  A) have no leaves
  B) lack roots
  C) are filamentous
  D) lack chlorophyll
  Show Answer
  The correct answer is D .