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 601: One adaptation shown by hydrophytes in freshwater habitats is the Options:
  A) leaves reduced to spines
  B) poor development of roots and xylem tissues
  C) waxy cuticle on shoot surface
  D) well developed roots and supporting system
  Show Answer
  The correct answer is B .
• Question 602:

  The process in which complex substances are broken down into simpler ones is referred to as

  Options:
  A) anabolism
  B) catabolism
  C) metabolism
  D) tropism
  Show Answer
  The correct answer is B .
• Question 603:

  

  A noticeable adaptation of the animal to its aquatic habitat is the possession of

  Options:
  A) a wide mouth
  B) large eyes
  C) webbed digits
  D) fore limbs
  Show Answer
  The correct answer is C .
• Question 604:

  Which of the following is considered to be the first product of Photosynthesis?

  Options:
  A) Protein
  B) Starch
  C) Energised Chlorophyll
  D) Hydroxyl ions
  Show Answer
  The correct answer is B .
• Question 605:

  

  Use the diagram above to answer this question.

  The function of the part labelled lll is to

  Options:
  A) produce egg cells
  B) protect sperms during fertilization
  C) secrete hormones during coitus
  D) protect the developing embryo
  Show Answer
  The correct answer is A .
• Question 606: Blood clotting is initiated by Options:
  A) Leucocytes
  B) Platelets
  C) Haemolymph
  D) Haemoglobin
  E) Erythrocytes
  Show Answer
  The correct answer is B .
• Question 607: In mammals, the organ which performs digestive and endocrine functions is the Options:
  A) liver
  B) pancreas
  C) gastric gland
  D) salivary gland
  Show Answer
  The correct answer is B .
• Question 608: Which of these is NOT an adaptive features for arboreal life? Options:
  A) Possession of long tail
  B) Possession of claws
  C) Possession of teeths
  D) counter shading in coat colour
  Show Answer
  The correct answer is C .
• Question 609: The main organic substances found in the human body are Options:
  A) carbohydrates, proteins and salts
  B) salts, fats and proteins
  C) fat, carbohydrates and protein
  D) salts, fats and carbohydrates
  Show Answer
  The correct answer is C .
• Question 610: Which of the following food substance will produce a brick-red colour when warmed with Benedict's solution? Options:
  A) Glucose
  B) Starch
  C) Egg white
  D) Maltose
  Show Answer
  The correct answer is A .