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 301: If a tall man (TT) maries a dwarf woman (gg) and they have four male children, the offspring will be Options:
  A) All short
  B) Three short and one tall
  C) Two short and two tall
  D) One short and three tall
  E) All tall
  Show Answer
  The correct answer is E .
• Question 302:

  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 303: 2H₂ → 2H₂ + O_2(g). The equation above represents a part of the light stage of photosynthesis. Which of the following must be presents for this reaction to occur? Options:
  A) Enzyme and light energy
  B) Carbondioxide and light energy
  C) Light energy and cholorphyll
  D) Chlorophyll and enzyme
  Show Answer
  The correct answer is C .
• Question 304: Fibrinogen and prothrombin play important roles in the Options:
  A) deamination of proteins
  B) clotting of blood
  C) detoxication of substances
  D) storage of vitamins
  Show Answer
  The correct answer is B .
• Question 305:

  The lowest level of organization in living organisms is

  Options:
  A) organ
  B) cell
  C) system
  D) tissue
  Show Answer
  The correct answer is B .
• Question 306:

  

  The part labelled X is the

  Options:
  A) axon
  B) cell body
  C) terminal dendrites
  D) synapse
  Show Answer
  The correct answer is B .
• Question 307: Which of the following is likely to encourage inbreeding in plants? Options:
  A) Dioecious
  B) Protandrous
  C) Monoecious
  D) Hermaphrodite
  Show Answer
  The correct answer is C .
• Question 308: The process of deamination is essential for the Options:
  A) digestion of protein
  B) secretion of bile
  C) formation of urea
  D) formation of antibody
  Show Answer
  The correct answer is A .
• Question 309: A surprising fact about sickle cell disease is that it Options:
  A) affects only black people
  B) kills the patient
  C) is hereditary
  D) affects blood cells
  E) weakens the patient
  Show Answer
  The correct answer is C .
• Question 310: Which of the following statement is NOT true of enzymes? They Options:
  A) Are proteins
  B) Need cofactors to activate them
  C) Are sensitive in their action
  D) Are specific in their action
  E) Can withstand high temperature
  Show Answer
  The correct answer is E .