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 401: Which of the following features of euglena is found only in animals? Options:
  A) Paramylum granules
  B) Flagellum
  C) Pellicle
  D) Pyrenoid
  Show Answer
  The correct answer is C .
• Question 402: Which of the following statements about the rate of transpiration is INCORRECT? It is Options:
  A) Dependent on temperature
  B) Affected by changes in light intensity
  C) Unaffected by humidity
  D) Dependent on air movement
  E) Affected by availability of water
  Show Answer
  The correct answer is C .
• Question 403: When spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it Options:
  A) Remains unchanged
  B) Takes up water an burst
  C) Absorbs a little water
  D) Loses water and shrivels
  E) Becomes turgid
  Show Answer
  The correct answer is D .
• Question 404: Which of these is not the part of the eye? Options:
  A) Cochlea
  B) Conjunctiva
  C) Cornea
  D) Iris
  Show Answer
  The correct answer is A .
• Question 405: Which of the substance listed below is a trace element of plants? Options:
  A) Potassium
  B) Sodium
  C) Copper
  D) Phosphate
  E) Nitrate
  Show Answer
  The correct answer is C .
• Question 406: The fleshy base of a flower to which the different floral parts are attached is known as Options:
  A) calyx
  B) sepals
  C) Receptacle
  D) hypothalamus
  Show Answer
  The correct answer is C .
• Question 407:

  Which of the blood corpusles are irregular and amoeloid in shape

  Options:
  A) Leucocytes
  B) Erythrocytes
  C) Thrombocytes
  D) Plasma
  Show Answer
  The correct answer is A .
• Question 408: Which of the following theories was NOT considered by Darwin in his evolutionary theory? Options:
  A) Variation
  B) Survival of the fittest
  C) Use and disuse
  D) Competition
  Show Answer
  The correct answer is C .
• Question 409: Which of the following structure is adapted for feeding in a bird of prey? Options:
  A) Hooked break and sharp claws
  B) Smooth beak and strong claws
  C) Big beaks and strong feet
  D) Pointed beak and strong claws
  Show Answer
  The correct answer is A .
• Question 410: The highest percentage of energy in an ecosystem occurs at the level of the Options:
  A) secondary consumer
  B) decomposers
  C) producers
  D) primary consumers
  Show Answer
  The correct answer is C .