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:

  

  In the experimental set-up, the rubber sheet represents the organ called

  Options:
  A) pleural cavity
  B) lungs
  C) diaphragm
  D) intercostal muscles
  Show Answer
  The correct answer is C .
• Question 372: Which of the following performs similar functions? Options:
  A) Ascospores ans ascocarp
  B) Antherozoids and rhizoids
  C) sorus and indusium
  D) Strobili and inflorescence
  Show Answer
  The correct answer is C .
• Question 373: A man with blood group a is married to a woman with blood group A. Which of the following group combinations is possible if the family has three children? Options:
  A) B, A, AB
  B) O, A, B
  C) B, AB, AB
  D) A, O, A
  Show Answer
  The correct answer is D .
• Question 374: The main function of the caudal fin in Tilapia is to Options:
  A) propel it forward in water
  B) steer it while changing direction
  C) balance it in water
  D) enable it to float in water
  Show Answer
  The correct answer is A .
• Question 375: 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 376: Exhaled air differs from inhaled air in that it Options:
  A) less amount of carbon(IV) oxide
  B) is usually lower in temperature
  C) often has more oxygen
  D) usually has more water vapour
  Show Answer
  The correct answer is D .
• Question 377: Oxygen liberated during photosynthesis has been demonstrated to come from Options:
  A) carbondioxide
  B) air
  C) water
  D) chlorophyll
  Show Answer
  The correct answer is C .
• Question 378:

  A man who is heterozygous for the disease haemophilia marries a woman who is double recessive for haemophilia. What percentage of their offspring would have the disease?

  Options:
  A) 0%
  B) 25%
  C) 50%
  D) 75%
  Show Answer
  The correct answer is C .
• Question 379:

  

  Which of the labelled tissues in the figure above is responsible for transport of mineral salts and water in living plants?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5
  Show Answer
  The correct answer is C .
• Question 380: Soil with the finest particles is called Options:
  A) silt
  B) clay
  C) sand
  D) gravel
  Show Answer
  The correct answer is B .