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 1251: The beak of a duck is structurally adapted for Options:
  A) scooping and sieving food
  B) catching and grasping food
  C) picking and cracking food
  D) boring and sucking food
  Show Answer
  The correct answer is A .
• Question 1252:

  

  In a reflex action, impulse flows from

  Options:
  A) 1 to 2
  B) 2 to 1
  C) 4 to 1
  D) 4 to 2
  Show Answer
  The correct answer is A .
• Question 1253: The pineapple fruit is best described as Options:
  A) aggregate, succulent and indehiscent
  B) aggregate, succulent and dehiscent
  C) multiple, succulent and indehiscent
  D) multiple, succulent and dehiscent
  Show Answer
  The correct answer is C .
• Question 1254: A green snake in green grass is able to escape notice from predators because of its Options:
  A) disruptive colouration
  B) counter shading
  C) warning colouration
  D) cryptic colouration
  Show Answer
  The correct answer is D .
• Question 1255: The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that Options:
  A) solution X was stronger than Y
  B) solution Y was stronger than X
  C) Spirogyra used up the sugar in solution X
  D) solution X is good for stimulating sexual reproduction in Spirogyra
  E) solution Y was less contaminated than X
  Show Answer
  The correct answer is A .
• Question 1256: Which of the following groups of invertebrates reproduces by budding? Options:
  A) Arthropoda
  B) Annelides
  C) Mollusces
  D) Coelenterata
  Show Answer
  The correct answer is D .
• Question 1257: In mammals, the exchange of nutrients and metabolic products occurs in the Options:
  A) lymph
  B) lungs
  C) heart
  D) liver
  Show Answer
  The correct answer is A .
• Question 1258: An organism that has been extensively used to test the chromosomes theory of heredity is Options:
  A) Drosophila melanogaster
  B) Muscar domestica
  C) Zea mays
  D) Homo sapiens
  Show Answer
  The correct answer is A .
• Question 1259: The function of the red head in male Agama lizards is to Options:
  A) scare other males from the territory
  B) warn predators of the distastefulness of the animal
  C) attract female lizards for mating purposes
  D) conceal and camouflage the animal from predators
  Show Answer
  The correct answer is C .
• Question 1260:

  The sum total of adaptive changes from pre-existing form that have taken place over a long time resulting in diversity of forms, structures and functions among organism is referred to as

  Options:
  A) Specification
  B) Inorganic Evolution
  C) Evolution
  D) Organic Evolution
  Show Answer
  The correct answer is D .