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 1221:

  

  In the diagram, the part labelled I represents the

  Options:
  A) stationary phase
  B) lag phase
  C) log phase
  D) steady phase
  Show Answer
  The correct answer is B .
• Question 1222: Hassan and Hussain are identical twins but Hassan grows taller and fatter from Hussain. This is probably because Options:
  A) Hassain inherits genes for tallness and fattness from the father
  B) They have dissimilar genotypes
  C) Hussain is endowed with genes for shortness and thinness
  D) They are raised in different environment
  Show Answer
  The correct answer is B .
• Question 1223: An individual with blood group AB can receive blood from those in blood group(s) Options:
  A) A, B, AB, O
  B) A, AB and O only
  C) AB only
  D) A and B only
  Show Answer
  The correct answer is A .
• Question 1224: They key event in the transition of the amphibians from water to land is the Options:
  A) replacement of the gills with lungs
  B) possession of webbed limbs
  C) development of long hing limbs
  D) possession of tympanic membrane
  Show Answer
  The correct answer is A .
• Question 1225:

  

  In the illustration above, the genotypes of the offsprings are

  Options:
  A) 1 heterozygous smooth : 2 homozygous smooth : 1 wrinkled
  B) 1 homozygous smooth : 2 heterozygous smooth : 1 wrinkled
  C) 2 homozygous smooth : 2 wrinkled
  D) 3 heterozygous smooth : 2 wrinkled
  Show Answer
  The correct answer is B .
• Question 1226: The cilia in paramecium are use for Options:
  A) respirating
  B) locomotion
  C) protection
  D) regulating food intake
  E) excretion
  Show Answer
  The correct answer is B .
• Question 1227: Which of the following forms about 55% of the volume of the blood in man? Options:
  A) leucocytes
  B) platelets
  C) plasma
  D) erythrocytes
  Show Answer
  The correct answer is C .
• Question 1228: Snails belong to the phylum Options:
  A) Annelida
  B) Mollusca
  C) Echinodermata
  D) nematode
  Show Answer
  The correct answer is B .
• Question 1229: The function of the epididymis in mammals is the Options:
  A) expulsion of urine
  B) storage of sperms
  C) circulation of blood
  D) activation of sperms
  Show Answer
  The correct answer is B .
• Question 1230: The part of a domestic fowl responsible for preventing heat loss is the Options:
  A) filoplume
  B) contour feather
  C) down feather
  D) quill
  Show Answer
  The correct answer is C .