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 441: Plants that survive in marine habitats are called Options:
  A) halophytes
  B) hydrophytes
  C) mesophytes
  D) xerophytes
  Show Answer
  The correct answer is A .
• Question 442: The natural tendency of organisms as they evolve is to Options:
  A) decrease in size
  B) increase in number
  C) develop specialize structure
  D) feed indiscriminately
  Show Answer
  The correct answer is C .
• Question 443: In dissection, the rib cage of mammal has to be opened in order to expose the Options:
  A) diaphragm
  B) liver
  C) heart
  D) sternum
  Show Answer
  The correct answer is C .
• Question 444:

  

  In the diagram, the importance of the association to the fungus is that it obtains

  Options:
  A) a partner for reproduction
  B) anchorage from the algea
  C) oxgen and carbohydrates from the algae
  D) water and mineral salts from the algae
  Show Answer
  The correct answer is C .
• Question 445: The part of the mammalian brain responsible for maintaining balance is the Options:
  A) medulla oblongata
  B) olfactory lobe
  C) cerebellum
  D) cerebrum
  E) frontal lobe
  Show Answer
  The correct answer is C .
• Question 446: Which of the following factors can reduce the population of a community? Options:
  A) Immigration
  B) edaphic
  C) predation
  D) mutualism
  Show Answer
  The correct answer is C .
• Question 447:

  When a colour blind woman marries a normal man, what is the probability of their son being colour blind?

  Options:
  A) 25%
  B) 100%
  C) 50%
  D) 0%
  Show Answer
  The correct answer is B .
• Question 448: The following are examples of air borne diseases, except Options:
  A) Chicken pox
  B) Cholera
  C) common cold
  D) Whooping cough
  Show Answer
  The correct answer is B .
• Question 449: Which of the following events does NOT occur during anaerobic respiration of glucose? Options:
  A) Muscle cells produce lactic acid
  B) Carbon dioxide is produced
  C) Milk bacteria produce lactic acid
  D) Energy is not produced
  E) Germinating seeds produced alcohol
  Show Answer
  The correct answer is B .
• Question 450: A plant parenchyma cell also acts as a supporting tissue when it Options:
  A) becomes flaccid
  B) contains crystals
  C) becomes turgid
  D) is pigmented
  Show Answer
  The correct answer is C .