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 1121: In the internal structure of plants, a wide pith in the centre is common to Options:
  A) dicot stems and monocot stems
  B) dicot stem and monocot roots
  C) dicot roots and monocot roots
  D) dicot roots and monocot stems
  Show Answer
  The correct answer is B .
• Question 1122: Which of the following disease can be caused by a bacterium? Options:
  A) Ringworm
  B) Poliomyelitis
  C) Malaria
  D) Syphilis
  Show Answer
  The correct answer is D .
• Question 1123: When the mixture of a food substance and Benedict's solution was warmed, the solution changed from blue to black-red. This indicates the presence of Options:
  A) reducing sugar
  B) fatty acid
  C) sucrose
  D) amino acid
  Show Answer
  The correct answer is A .
• Question 1124: The following are example of morphological variation except Options:
  A) size
  B) ability to taste PTC
  C) color
  D) fingerprint
  Show Answer
  The correct answer is B .
• Question 1125:

  

  In the diagram, the male sex cells are contained in the part labelled

  Options:
  A) i
  B) ii
  C) iii
  D) iv
  Show Answer
  The correct answer is B .
• Question 1126: The solid part of the ecosystem is referred to as the Options:
  A) atmosphere
  B) hydrosphere
  C) biosphere
  D) lithosphere
  Show Answer
  The correct answer is D .
• Question 1127: The most successful group of animals in terms of diversity of species is Options:
  A) mollusca
  B) arthropoda
  C) mammalia
  D) platyhelminthes
  Show Answer
  The correct answer is B .
• Question 1128: Proboscis is a structure that is mostly found in Options:
  A) insects
  B) tapeworms
  C) amphibians
  D) molluses
  Show Answer
  The correct answer is A .
• Question 1129: The chitin in the exoskeleton of many arthropods is strengthened by Options:
  A) lids
  B) proteins
  C) calcium compounds
  D) organic salt
  Show Answer
  The correct answer is C .
• Question 1130: The ability of the cockroach to live in cracks and crevices is enhanced by the possession of Options:
  A) wings and segmented body
  B) compound eyes
  C) claws on the leg
  D) dorso-ventrally flattened body
  Show Answer
  The correct answer is D .