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 191: Irish potato is a Options:
  A) bulb
  B) tap root
  C) rhizome
  D) root tuber
  E) stem tuber
  Show Answer
  The correct answer is E .
• Question 192: The arrangement of ovules attached to the sides of a syncarpous ovary with a single chamber is referred to as Options:
  A) free-central placentation
  B) axile placentation
  C) parietal placentation
  D) marginal placentation
  Show Answer
  The correct answer is C .
• Question 193: Fishes are cold blooded because their body temperature is Options:
  A) constantly low
  B) constantly high
  C) dependent on that of their surroundings
  D) regulated at will
  Show Answer
  The correct answer is C .
• Question 194:

  

  Using the diagram, the part labelled IV is for

  Options:
  A) excretion
  B) nourishment
  C) protection
  D) respiration
  Show Answer
  The correct answer is C .
• Question 195: The physical and climatic factors of a region primarily determine the Options:
  A) kinds of animal inhabiting the area
  B) types of plants found in the area
  C) nature of the soil in that region
  D) community of organisms in the region
  Show Answer
  The correct answer is D .
• Question 196: Which of these is not an enzyme? Options:
  A) Pepsin
  B) Gastrin
  C) Amylase
  D) Chymotrypsin
  E) Trypsin
  Show Answer
  The correct answer is B .
• Question 197: Which of the following is NOT a function of the liver? Options:
  A) Regulation of blood sugar
  B) Storage of iron
  C) Formation of bile
  D) Breakdown of excess amino acids
  E) Excretion of urea from the blood
  Show Answer
  The correct answer is E .
• Question 198: If a flower is protandrous then it Options:
  A) must be unisexual
  B) has an undeveloped androecium
  C) has no androecium
  D) must be insect-pollinated
  E) can prevent self pollination
  Show Answer
  The correct answer is E .
• Question 199: Osmic acid boiled with a solution of food substance gave a black precipitate. This indicates the presence of Options:
  A) fats and oil
  B) proteins
  C) amino acids
  D) starch
  Show Answer
  The correct answer is A .
• Question 200: A mammal with red fur and long ears was crossed with another having white fur and short ears. If the offspring had a red fur and short ears, the Options:
  A) character are linked
  B) character are not linked
  C) parents are related
  D) parents are not related
  Show Answer
  The correct answer is A .