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 231: Which of the following is common to a dicotyledonous stem and monocotyledonous root? Options:
  A) Medullary rays
  B) Central pith
  C) Wide cortex
  D) Narrow cortex
  E) Pericycle fibres
  Show Answer
  The correct answer is B .
• Question 232: The vein which returns blood from the head and arms to the heart is called Options:
  A) aorta
  B) inferior vena cava
  C) superior vena cava
  D) pulmonary vein
  E) pulmonary artery
  Show Answer
  The correct answer is C .
• Question 233: Which of the following is an organ? Options:
  A) Guard cell
  B) Liver
  C) Xylem bundle
  D) Blood
  Show Answer
  The correct answer is B .
• Question 234: A student trying to find out the order in which organisms appear on a cleared plot is studying one of the following Options:
  A) Ecosystem
  B) Food chain
  C) Food web
  D) Succession
  E) Community
  Show Answer
  The correct answer is D .
• Question 235: The autonomic nervous system consists of neurons that control the Options:
  A) voluntary muscles
  B) heart beat
  C) tongue
  D) hands
  Show Answer
  The correct answer is B .
• Question 236: The greatest amount of energy will be obtained by the oxidation of 100kg of Options:
  A) meat
  B) butter
  C) sugar
  D) biscuits
  Show Answer
  The correct answer is B .
• Question 237: Which of the following cell constituents is NOT common in both plants and animals? Options:
  A) Mitochondria
  B) Chloroplast
  C) Ribosomes
  D) Golgi apparatus
  E) Vacuoles
  Show Answer
  The correct answer is B .
• Question 238: The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the Options:
  A) veins
  B) right auricle
  C) arteries
  D) left ventricle
  Show Answer
  The correct answer is D .
• Question 239: Red blood cells are also known as _________? Options:
  A) erythrocytes
  B) thrombocytes
  C) phagocytes
  D) leucocytes
  Show Answer
  The correct answer is A .
• Question 240: 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 .