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 741: In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces Options:
  A) alcohol
  B) oxygen
  C) carbon dioxide
  D) energy
  E) ethanol
  Show Answer
  The correct answer is C .
• Question 742: An example of an endospermous seed is Options:
  A) been seed
  B) cashew nut
  C) cotton seed
  D) maize grain
  Show Answer
  The correct answer is D .
• Question 743:

  In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to?

  Options:
  A) prevent algal growth in culture solution
  B) allow root growth
  C) prevent breakdown of mineral elements
  D) prevents photosynthesis in the root
  Show Answer
  The correct answer is A .
• Question 744: In which of the following tissue do the cells have the ability to divide? Options:
  A) Meristem
  B) Sclerenchyma
  C) Phloem
  D) Collenchyma
  E) Pith
  Show Answer
  The correct answer is A .
• Question 745:

  

  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 746: A characteristic that distinguishes bryophytes from flowering plants is the Options:
  A) possession of true stems and leaves
  B) ability to reproduce asexually
  C) absence of vascular tisssues
  D) ability to grow in moist habitats
  Show Answer
  The correct answer is C .
• Question 747: The digestive enzyme that coagulates proteins in milk is Options:
  A) Ptyalin
  B) Pepsin
  C) Renin
  D) Trypsin
  E) Amylase
  Show Answer
  The correct answer is C .
• Question 748:

  Which of the following functions is performed by the skin to help maintain homeostasis in the human body?

  Options:
  A) Regulation of body temperature
  B) Filtration of blood
  C) Production of hormones
  D) Digestion of food
  Show Answer
  The correct answer is A .
• Question 749: The physical and climatic factors of a region primarily determine the Options:
  A) kinds of animal inhabiting the area
  B) types of plants found in the area
  C) nature of the soil in that region
  D) community of organisms in the region
  Show Answer
  The correct answer is D .
• Question 750: The neck region of the tape worm, (taenia) is responsible for the Options:
  A) production of egg
  B) storage of egg
  C) formation of new segment
  D) development of the suckers
  E) fragmentaion of the body segment
  Show Answer
  The correct answer is C .