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 531: Vegetation propagation is described as asexual reproduction because Options:
  A) reproductive organs are not involved
  B) new individuals are not formed
  C) many new plants are produced
  D) there is no exchange of genetic materials
  Show Answer
  The correct answer is D .
• Question 532: Which of the following is the best explanation for a child who is phenotypically short and born of two tall parents Options:
  A) The father possesses a gene for shortness
  B) The mother posesses a gene for shortness
  C) Nature makes the child short
  D) Both parents possess gene for shortness
  Show Answer
  The correct answer is D .
• Question 533:

  

  What is the part marked X in the figure above called?

  Options:
  A) Pulmonary artery
  B) Pulmonary vein
  C) Vena cava
  D) Main aorta
  E) Hepatic artery
  Show Answer
  The correct answer is A .
• Question 534: Which of the following protects the essential parts of the flower at bud stage? Options:
  A) Stamens
  B) Sepals
  C) Petals
  D) Carpels
  Show Answer
  The correct answer is B .
• Question 535: Spirogyra, Euglena and Chlamydomonas share many characteristics EXCEPT Options:
  A) nutrition
  B) reproduction
  C) mobility
  D) irritability
  Show Answer
  The correct answer is C .
• Question 536: 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 537: Which of the substance listed below is a trace element of plants? Options:
  A) Potassium
  B) Sodium
  C) Copper
  D) Phosphate
  E) Nitrate
  Show Answer
  The correct answer is C .
• Question 538:

  Blood circulation in a mammal is said to be double because?

  Options:
  A) it passes twice through the heart in a complete circuit
  B) it moves in both arteries and veins
  C) it circulates in both the heart and other organs
  D) the heart contains auricles and ventricles
  Show Answer
  The correct answer is A .
• Question 539: A major difference between platyhelminthees and coelenterates is that platyhelminthes Options:
  A) are multicellular
  B) have developed a mesoderm
  C) reproduce sexually
  D) reproduce asexually
  Show Answer
  The correct answer is B .
• Question 540:

  Which of the following organs can be considered vestigial in humans but functional in other mammals

  Options:
  A) The liver
  B) Appendix
  C) Rectum
  D) Stomach
  Show Answer
  The correct answer is B .