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 371: Which of the following is NOT true of spirogyra? Options:
  A) Reproduces by conjugation
  B) Reproduces by fragmentation
  C) Consist of branched filaments
  D) Consist of unbranched filaments
  Show Answer
  The correct answer is C .
• Question 372:

  

  The structure labelled I is the

  Options:
  A) Golgi body
  B) mitochondrion
  C) endoplasmic reticulum
  D) vacuole
  Show Answer
  The correct answer is C .
• Question 373: If a dark-skinned woman (Bb) marries an albino man (bb) and they have four children, how many of the children will be dark-skinned? Options:
  A) 3
  B) 2
  C) 1
  D) None
  Show Answer
  The correct answer is B .
• Question 374:

  

  Which of the labelled bone is the ulna?

  Options:
  A) 1
  B) 3
  C) 4
  D) 5
  Show Answer
  The correct answer is B .
• Question 375: Which of the following statements gives the BEST description of bark? Options:
  A) Tissue outside the vascular cambium
  B) Cork-like tissue found only in stems
  C) Brown tissue never found in primary growth
  D) Cork-like tissues of old trees
  Show Answer
  The correct answer is B .
• Question 376:

  When bacteria swim from cold to warm regions, this is known as

  Options:
  A) positive phototaxis
  B) negative phototaxis
  C) positive thermotaxis
  D) negative chemotaxis
  Show Answer
  The correct answer is C .
• Question 377: Which of the following ecological factors are common to both terrestrial and aquatic habitats? Options:
  A) Rainfall, temperature and light
  B) Salinity, rainfall and altitude
  C) Tides, wind, rainfall and altitude
  D) pH, salinity, rainfall and humidity.
  Show Answer
  The correct answer is A .
• Question 378:

  Which of the following statement describes an autonomic nervous system

  Options:
  A) It always stimulates effectors
  B) Activities are voluntary
  C) It dials with external stimuli and their responses
  D) It affects glands, cardia muscles and smooth muscles
  Show Answer
  The correct answer is D .
• Question 379: The parts of the mammalian eye that strongly bend light rays are the Options:
  A) cornea and the lens
  B) cornea and aqueous humour
  C) cornea and vitreous humour
  D) lens and aqueous humour
  E) lens and vitreous humour
  Show Answer
  The correct answer is E .
• Question 380: which of these diseases cannot be controlled by killing the vector? Options:
  A) River blindness
  B) Malaria
  C) Polio
  D) Cholera
  E) Bilharzia (shistosoma)
  Show Answer
  The correct answer is C .