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 1091: A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is Options:
  A) temperature
  B) competition
  C) pH
  D) light
  Show Answer
  The correct answer is B .
• Question 1092: Aged erythrocytes are dissolved in the Options:
  A) pancreas
  B) liver
  C) lymph nodes
  D) kidney
  Show Answer
  The correct answer is B .
• Question 1093:

  In monohybrid inheritance, if an organism carries two different alleles for a particular gene, it is called:

  Options:
  A) Homozygous
  B) Dominant
  C) Heterozygous
  D) Recessive
  Show Answer
  The correct answer is C .
• Question 1094:

  

  Primary consumers are found in

  Options:
  A) 1, 2 and 3
  B) 1, 3 and 7
  C) 2, 3 and 7
  D) 2, 4 and 5
  Show Answer
  The correct answer is C .
• Question 1095:

  The enzymes of the glycolytic pathway are located in the?

  Options:
  A) mitochondria
  B) gastric juice
  C) plasma
  D) cytoplasm
  Show Answer
  The correct answer is D .
• Question 1096: The dorsal and anal fins of fish are used for Options:
  A) Upward movement
  B) Controlling rolling
  C) Downward movement
  D) Steering
  E) Buoyancy
  Show Answer
  The correct answer is B .
• Question 1097: Haemophilia results from the mutation of the genes Options:
  A) in the sex chromosome
  B) which control skin colour
  C) which control the mechanism for blood-clotting
  D) which control the formation of haemoglobin
  Show Answer
  The correct answer is C .
• Question 1098: The two halves of the pelvic girdle are joined together at the Options:
  A) public symphysis
  B) ilium
  C) pubis
  D) obturator foramen
  Show Answer
  The correct answer is A .
• Question 1099: The mammalian organ which acts both as a digestive and as an endocrine organ is the Options:
  A) oesophagus
  B) liver
  C) pancreas
  D) spleen
  Show Answer
  The correct answer is C .
• Question 1100: Which of the following is true of leucocytes? Options:
  A) they are respiratory pigments
  B) they are most numerous and ramify all cells
  C) they are large and nucleated
  D) they are involved in blood clotting
  Show Answer
  The correct answer is C .