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 1031: An example of cryptic colouration is the Options:
  A) Mottled colours on the moths that rest in lichens
  B) bright colour of an insect pollinated flower
  C) Green colour of a plant
  D) Bright marks on poisonous tropical frog on veriegated leaves
  Show Answer
  The correct answer is A .
• Question 1032: Which of the following elements are necessary for the formation of chlorophyll in a plant? Options:
  A) magnesium and iron
  B) Calcium and potassium
  C) Calcium and sulphur
  D) Potasium and sulphur
  E) Phosphorus and potassium
  Show Answer
  The correct answer is A .
• Question 1033:

  I. Rattusrattus. Il. Agama agama III. Bufo regularis IV. Tilapiazillii
  The order of evolutionary advancement of the above vertebrates is?

  Options:
  A) I, II, III, IV
  B) I, IV, III, II
  C) II, III, IV, I
  D) IV, III, II, I
  Show Answer
  The correct answer is D .
• Question 1034: A group of organisms of the same kind inhabiting the same environment is called Options:
  A) ecosystem
  B) habitat
  C) population
  D) species
  Show Answer
  The correct answer is D .
• Question 1035: One cubic centimeter of lymph is richer than an equal volume of blood in Options:
  A) erythrocytes
  B) leucocytes
  C) amino acid
  D) glucose
  Show Answer
  The correct answer is B .
• Question 1036: One common characteristic of fungi, algae, mosses and ferns is that they Options:
  A) show alternation of generations
  B) reproduce sexually by conjugation
  C) produce spores that are dispersed
  D) possess chlorophyll in their tissues
  Show Answer
  The correct answer is C .
• Question 1037: Example of water-borne and sex linked diseases are Options:
  A) taeniasis and malaria
  B) cholera and gonorrhoea
  C) typhoid and syphilis
  D) dracunculiasis and haemophilia
  Show Answer
  The correct answer is D .
• Question 1038: In rabbit the chamber of the heart that receives oxygenated blood from the lungs is the Options:
  A) left ventrictle
  B) left auricle
  C) right ventricle
  D) right auricle
  Show Answer
  The correct answer is B .
• Question 1039:

  Which of the following waste products in plants is excreted through the stomata and lenticles?

  Options:
  A) carbon dioxide
  B) alkaloids
  C) tannins
  D) anthoocyanins
  Show Answer
  The correct answer is A .
• Question 1040: Chemosynthetic organisms are capable of manufacturing their food from simple inorganic substances through the process of Options:
  A) oxidation
  B) denitrification
  C) reduction
  D) phosphorylation
  Show Answer
  The correct answer is A .