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 2071:

  

  Melanin and keratin are produced in the part labelled

  Options:
  A) 2
  B) 3
  C) 4
  D) 5
  Show Answer
  The correct answer is A .
• Question 2072:

  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 .
• Question 2073: Roots of plants are normally Options:
  A) Positively phototropic
  B) Negatively geotropic
  C) Negatively hydrotropic
  D) Positively hydrotropic
  E) Negatively chemotropic
  Show Answer
  The correct answer is D .
• Question 2074:

  The alternate form of a gene is

  Options:
  A) Alternate type
  B) Dominant character
  C) Recessive character
  D) Allele
  Show Answer
  The correct answer is D .
• Question 2075: In the male reproductive system of a mammal, sperm is stored in the Options:
  A) van deferens
  B) urethra
  C) epididymis
  D) seminiferous tubules
  Show Answer
  The correct answer is C .
• Question 2076:

  One of the following is an effect of clay soil on vegetation

  Options:
  A) Supports luxuriant vegetation such as forest
  B) Supports scanty vegetation
  C) Does not support light vegetation
  D) Support arid vegetation
  Show Answer
  The correct answer is A .
• Question 2077:

  

  The most appropriate title for the set up is

  Options:
  A) quantitative measurement of respiration in plants and animals
  B) measurement of respiratory rates in living organisms
  C) comparison between photosynthesis and respiration
  D) comparison of respiratory rates in plants and animals
  Show Answer
  The correct answer is D .
• Question 2078:

  

  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 2079: If a baby is a female, her mother's ovum must have been fertilized by a sperm carry the chromosome Options:
  A) X
  B) XY
  C) XX
  D) YY
  E) Y
  Show Answer
  The correct answer is A .
• Question 2080: The end products of the digestion of fats and oils in mammals are Options:
  A) maltose and fatty acid
  B) amino acids and glucose
  C) fatty acid and fructose
  D) fatty acids and glycerin
  Show Answer
  The correct answer is D .