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 1321: The movement of blood between the heart and all other parts of the body besides the lung is known as Options:
  A) systemic circulation
  B) closed circulatory system
  C) pulmonary circulation
  D) single circulation system
  Show Answer
  The correct answer is A .
• Question 1322: Which of the following statements about the dentition of man is INCORRECT ? man has Options:
  A) More molars than incisors
  B) No diastema
  C) The same number of teeth on upper and lower jaw
  D) A total of thirty-two teeth
  E) A total of six molars
  Show Answer
  The correct answer is E .
• Question 1323:

  

  In the diagram, which of the four offspring of the cross will be sort if T the gene for tallness is

  Options:
  A) i
  B) ii
  C) iii
  D) iv
  Show Answer
  The correct answer is D .
• Question 1324: The adaptive importance of the nuptial flight from termite colonies is to Options:
  A) ensure cross-breeding between members of one colony and another
  B) disperse the reproductives in order to establish new colonies
  C) provide abundant food for birds and other animals during the early rains
  D) expel the reproductives so as to provide enough food for other members
  Show Answer
  The correct answer is B .
• Question 1325: Which of the following substance is not found in urine? Options:
  A) Water
  B) Sodium chloride
  C) Nitrogenous compounds
  D) Calcium chloride
  E) Nitrogenous salts
  Show Answer
  The correct answer is D .
• Question 1326:

  The male sex cells also called gametes are produced in the testes by a process called

  Options:
  A) Gametogenesis
  B) Implantation
  C) Spermatogenesis
  D) Spermatozoa
  Show Answer
  The correct answer is C .
• Question 1327:

  Which of the following is the best explanation for a child who is phenotypically short and born of two tall parents?

  Options:
  A) both parents possess genes for shortness
  B) the father possesses a gene for shortness
  C) nature makes the child short
  D) the mother possesses a gene for shortness
  Show Answer
  The correct answer is A .
• Question 1328: The carrier of the hereditary character in plants and animal is the Options:
  A) Cell
  B) Nucleus
  C) Chromosome
  D) Chloroplast
  E) Gene
  Show Answer
  The correct answer is C .
• Question 1329: The male cockroach differs from the female by having Options:
  A) mandibles
  B) a pair of style
  C) spiracles
  D) a pair of cerci
  Show Answer
  The correct answer is B .
• Question 1330: 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 .