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 831: Identical twins inherit their genes from Options:
  A) different eggs and sperms
  B) the same egg and sperm
  C) two eggs and a sperm
  D) one egg and two sperms
  Show Answer
  The correct answer is B .
• Question 832: Blood circulation in a mammalian is said to be double because Options:
  A) it passes twice through the heart in a complete circuit
  B) it moves in both arteries and veins
  C) it circulates in both the heart and other organs
  D) the heart contain auricles and ventricles
  Show Answer
  The correct answer is A .
• Question 833:

  

  The adult form of iii is a vector of

  Options:
  A) sleeping sickness
  B) river blindness
  C) cholera
  D) elephantiasis
  Show Answer
  The correct answer is D .
• Question 834: The type of asexual reproduction that is common to both Paramecium and Protists is Options:
  A) fragmentation
  B) budding
  C) sporulation
  D) fission
  Show Answer
  The correct answer is D .
• Question 835: A feature associated with the Y-chromosome in human is Options:
  A) long eyelashes
  B) prominent fingernails
  C) facial hairs
  D) enlarged breast
  Show Answer
  The correct answer is C .
• Question 836:

  

  The figure above represents an experiment with two types of soil. The experiment demonstrates

  Options:
  A) soil attraction of water
  B) soil porosity
  C) soil capilarity
  D) draining capacity of soils
  E) soil permeability
  Show Answer
  The correct answer is C .
• Question 837: Which of the following is the common to the mosquito, housefly and blackfly? Options:
  A) they undergo complete metamorphosis
  B) they are parasites of man
  C) their immature stages are aquatic
  D) their adults have two pairs of wings
  Show Answer
  The correct answer is A .
• Question 838:

  Which of the following juices contains the enzyme ptyalin?

  Options:
  A) Gastric juice
  B) Succus
  C) Pancreatic juice
  D) Saliva
  Show Answer
  The correct answer is D .
• Question 839: The mammalian erythrocytes differ from the leucocytes at maturity because the erythrocytes are Options:
  A) discoid and nucleated
  B) discoid and enucleated
  C) amoeboid and nucleated
  D) amoeboid and enucleated
  Show Answer
  The correct answer is B .
• Question 840: One of the ways which body cells differ from gamete cells is in the Options:
  A) type of centromeres they contain
  B) number of chromosomes pairs they contain
  C) type of chromatide they contain
  D) number of chromosomes they contain
  Show Answer
  The correct answer is D .