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 1:

  Which of the following relationship involves only one organism?

  Options:
  A) Saprophytism
  B) Commensalism
  C) Parasitism
  D) Symbiosis
  Show Answer
  The correct answer is A .
• Question 2: A sex-linked character cannot be passed on directly from Options:
  A) father to son
  B) mother to daughter
  C) mother to son
  D) father to daughter
  Show Answer
  The correct answer is A .
• Question 3: The vein which returns blood from the head and arms to the heart is called Options:
  A) aorta
  B) inferior vena cava
  C) superior vena cava
  D) pulmonary vein
  E) pulmonary artery
  Show Answer
  The correct answer is C .
• Question 4: ONE of the major causes of haemophilia is lack of Options:
  A) firbrinogen
  B) amylase
  C) white blood corpuscles
  D) red blood corpuscles
  E) plasma
  Show Answer
  The correct answer is A .
• Question 5: 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 6: The growth of a coleoptile towards unilateral light source is due to Options:
  A) rapid rate of photosynthesis
  B) unequal distribution of auxin
  C) the effect of geotropism
  D) the effect of photolysis
  Show Answer
  The correct answer is B .
• Question 7: What organelle is the site of photosynthesis in plants? Options:
  A) Chloroplasts
  B) Ribosomes
  C) Cytoplasm
  D) Mitochondria
  Show Answer
  The correct answer is A .
• Question 8: Which blood cell are involved in the immune response of vertebrates? Options:
  A) Phagoecytes
  B) lymphocytes
  C) erythrocytes
  D) monocytes
  Show Answer
  The correct answer is B .
• Question 9: In animals, meiosis comes Options:
  A) after fertilization
  B) after ever mitotic division
  C) before fertilization
  D) before every mitotic division
  Show Answer
  The correct answer is D .
• Question 10: The bone of the neck on which the skull rests is known as the Options:
  A) odontoid process
  B) axis
  C) atlas
  D) occipital condyle
  Show Answer
  The correct answer is C .