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 1421: Size, colour and fingerprints are examples of ______ Options:
  A) physiological variation
  B) discontinuous variation
  C) morphological variation
  D) adaptive variation
  Show Answer
  The correct answer is C .
• Question 1422:

  

  Use the diagram above to answer this question.

  The part labelled IV is the

  Options:
  A) mitochondrion
  B) cell wall
  C) endoplasmic reticulum
  D) nucleus
  Show Answer
  The correct answer is C .
• Question 1423: In which of the following does external fertilization takes place? Options:
  A) Toad
  B) Lizard
  C) Bird
  D) Cockcroach
  Show Answer
  The correct answer is A .
• Question 1424:

  What is the primary function of the liver in the human body?

  Options:
  A) Regulation of body temperature
  B) Regulation of blood pressure
  C) Production of hormones
  D) Detoxification and metabolism of nutrients and drugs
  Show Answer
  The correct answer is D .
• Question 1425:

  The correct pathway for blood flow from the heart to the tissues of mammals is?

  Options:
  A) heart-arteriole-artery-tissues
  B) heart-artery-arteriole-tissues
  C) heart-vein-venule-tissues
  D) heart-venule-vein-tissues
  Show Answer
  The correct answer is B .
• Question 1426: Soil with the finest particles is called Options:
  A) silt
  B) clay
  C) sand
  D) gravel
  Show Answer
  The correct answer is B .
• Question 1427:

  

  Which of the labelled parts of the cell contains ribonucleic acid?

  Options:
  A) 1
  B) 2
  C) 3
  D) 5
  Show Answer
  The correct answer is C .
• Question 1428: The best explanation for the theories of natural selection is that Options:
  A) all organisms have equal capacity for survival in their habitats
  B) organisms have varying capacities for survival in their habitats
  C) organisms compete for resource and better competitors survive and thrive
  D) habitats allow only organisms that will not have to compete for survival
  Show Answer
  The correct answer is C .
• Question 1429: A child with blood group genotype different from those of both parents and with a mother of genotype OO, can only have a father of genotype Options:
  A) A
  B) B
  C) AB
  D) OO
  Show Answer
  The correct answer is C .
• Question 1430: If a healthy potted plant is continuously kept in dim light Options:
  A) the rate of respiration may equal that of photosynthesis
  B) more carbondioxide and water are taken in
  C) respiration may be halted
  D) the volume of oxygen released increase
  Show Answer
  The correct answer is A .