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 101:

  I. Stomata → Spirogyro II. Alveoli → Earthworm III. Malpighian tubule → Mammal IV. Contractile vacuole → Protozoa.

  Which of the above structures is correctly matched with the organisms in which it is found?

  Options:
  A) lll
  B) ll
  C) l
  D) IV
  Show Answer
  The correct answer is D .
• Question 102: Which of these parts of the mammalian ears is directly concerned with the sense of balance? Options:
  A) Cochlea
  B) Eustachian tube
  C) Ear-drum
  D) Pinna
  E) Semicircular canals
  Show Answer
  The correct answer is E .
• Question 103:

  

  Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the

  Options:
  A) nucleolus
  B) cell wall
  C) cytoplasm
  D) mitochondrion
  Show Answer
  The correct answer is B .
• Question 104:

  

  Blood is pumped into the right ventricle by the contraction of the auricle wall through

  Options:
  A) 1
  B) 3
  C) 5
  D) 6
  Show Answer
  The correct answer is B .
• Question 105:

  

  Re-absorption of useful materials takes place in the part labelled

  Options:
  A) 1 and 3
  B) 3 and 5
  C) 5 and 6
  D) 6 and 7
  E) 2 and 4
  Show Answer
  The correct answer is E .
• Question 106: The sequence of the one-way gaseous exchange mechanism in a fish is Options:
  A) gills ⇢ operculum ⇢ mouth
  B) mouth ⇢ gills ⇢ operculum
  C) mouth ⇢ operculum ⇢ gills
  D) operculum ⇢ mouth ⇢ gills
  Show Answer
  The correct answer is B .
• Question 107: In spite of the removal of carbondioxide from the atmosphere, its amount remains more or less constant because Options:
  A) it is produced by green plants during photosynthesis
  B) it is produced during respiration of animals
  C) it is absorbed inn ocean water
  D) green plants release it during the day
  Show Answer
  The correct answer is B .
• Question 108: A fresh Kolanut weighing 1g was put into salt solution. After 3 hour, the kolanut weighed 1.2g. This simple experiment demonstration that Options:
  A) the salt solution is more concentrated that the cell sap of the kolanut
  B) the cell sap of the kolanut is more concentrated than the salt solution
  C) the salt solution has the same concentration as the cell sap of the kolanut
  D) kolanut cell can multiply in water
  E) the kolanut lost some water molecules to the salt solution
  Show Answer
  The correct answer is B .
• Question 109: The organelle involved in tissue respiration is the Options:
  A) endoplasmic reticulum
  B) ribosome
  C) golgi body
  D) mitochondrion
  Show Answer
  The correct answer is D .
• Question 110: Blood clotting is initiated by Options:
  A) Leucocytes
  B) Platelets
  C) Haemolymph
  D) Haemoglobin
  E) Erythrocytes
  Show Answer
  The correct answer is B .