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 631:

  

  During reproduction of the organism in figure above the first structure to divide is

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5
  Show Answer
  The correct answer is C .
• Question 632: Which of the following is true of the children of a heamophilic man who marries a woman that is not haemophilic and does not carry the trait? Options:
  A) All their sons will be haemophlic
  B) all their daughters will be haemophilic
  C) All their daughters will be carriers
  D) all their sons will be carriers
  Show Answer
  The correct answer is C .
• Question 633: A young plant showing yellow leaves is likely to be deficient in Options:
  A) calcium
  B) magnesium
  C) potassium
  D) boron
  E) molybdenum
  Show Answer
  The correct answer is B .
• Question 634:

  

  The structure labelled II articulates with III to form

  Options:
  A) sliding joint
  B) hinge joint
  C) pivot joint
  D) ball-and-socket joint
  Show Answer
  The correct answer is B .
• Question 635: Which of the following is likely to occur in a deciduous forest during the dry season? Options:
  A) New leaves are formed
  B) The trees die off
  C) The undergrowth increases
  D) The ground becomes bare
  Show Answer
  The correct answer is D .
• Question 636: One significant difference between roots and stem is that Options:
  A) Branch roots originate in the pericycle while stem do not
  B) Stems are always bove the ground while root are always below the ground
  C) Stems are positively geotropic while roots are negatively geotropic
  D) Stem are sometime used for storage while roots are never used
  E) Stems grow in both length and circumference while root grow only in length
  Show Answer
  The correct answer is A .
• Question 637:

  The part that performs urinogenitalfunction in the male reproductive system is the?

  Options:
  A) seminal vesacle
  B) epididymis
  C) urethra
  D) ureter
  Show Answer
  The correct answer is C .
• Question 638: The path followed by air as it passes through the lungs in mammals is Options:
  A) bronchi ⇢ trachea ⇢ alveoli ⇢ bronchioles
  B) bronchioles ⇢ alveoli ⇢ bronchi ⇢ trachea
  C) trachea ⇢ bronchi ⇢ bronchioles ⇢ alveoli
  D) trachea ⇢ bronchioles ⇢ bronchi ⇢alveoli
  Show Answer
  The correct answer is C .
• Question 639:

  Metamorphosis is a biological process that involves

  Options:
  A) The growth and development of an organism from a zygote to an adult
  B) The change in form and structure during the life cycle of certain organisms
  C) The regeneration of lost body parts in an organism
  D) The transformation of an organism from an adult stage to a larval stage
  Show Answer
  The correct answer is B .
• Question 640: One of the functions of UNICEF is to Options:
  A) prevent and control major disease
  B) prevent diseases outbreak by administering vaccines
  C) improve the health and nutrition of children and nursing mothers
  D) monitir enviromental pollution
  Show Answer
  The correct answer is C .