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 1: The maize grain is a fruit and not a seed because it Options:
  A) has a large endosperm
  B) is formed from an ovary
  C) is a monocotyledon
  D) has no plumule and radicle
  E) has a hypogeal germination
  Show Answer
  The correct answer is B .
• Question 2: The difference and similarities among living things account for Options:
  A) diversity
  B) stability
  C) competition
  D) evolution
  Show Answer
  The correct answer is D .
• Question 3:

  

  Use the diagram above to answer this question.

  Which of the following will be true of dog ll which lost its tail in an accident if it mates with dog lll.

  Options:
  A) None of its offspring will be born without a tail
  B) 3/4 of its offspring will be born without tails
  C) All its offspiring will be born without tails
  D) 1/4 of its offspring will be born without tails
  Show Answer
  The correct answer is A .
• Question 4: Which of the following is NOT a function of mammalian blood? Options:
  A) Engulfing bacteria
  B) Production of hormones
  C) Transporting ureas
  D) Distribution of heat
  E) Transporting glucose
  Show Answer
  The correct answer is B .
• Question 5: The small masses of nervous tissues in which many neurones have their nuclei are called Options:
  A) dorsal roots
  B) ventral roots
  C) ganglia
  D) synapses
  Show Answer
  The correct answer is C .
• Question 6: The mushroom is an organism which feeds Options:
  A) parasitically
  B) saprophytically
  C) holozoically
  D) symbiotically
  E) autotrophically
  Show Answer
  The correct answer is B .
• Question 7: Water retention is highest in soils which are rich in Options:
  A) sand, poor in humus and devoid of clay
  B) clay and sand, but poor in humus
  C) clay and humus, but poor in sand
  D) clay, poor in humus and devoid of sand
  E) sand and humus, but poor in clay
  Show Answer
  The correct answer is D .
• Question 8: Which of the following is a polysaccharide? Options:
  A) Glucose
  B) Sucrose
  C) Maltose
  D) Cellulose
  Show Answer
  The correct answer is D .
• Question 9: The deficiency of vitamin D leads to Options:
  A) beriberi
  B) pellagra
  C) ricket
  D) scurvy
  Show Answer
  The correct answer is C .
• Question 10:

  Which of the following factors primarily affects the distribution of organisms in an ecosystem

  Options:
  A) Wind speed
  B) Soil pH
  C) Temperature
  D) Day length
  Show Answer
  The correct answer is C .