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 1031:

  

  The joint at Y in the figure above is

  Options:
  A) ball and socket
  B) hinge
  C) pivot
  D) rivet
  E) none of the above
  Show Answer
  The correct answer is B .
• Question 1032: The largest amount of yolk is found in the egg of Options:
  A) amphibians
  B) pisces
  C) repitles
  D) aves
  Show Answer
  The correct answer is D .
• Question 1033: The following are examples of air borne diseases, except Options:
  A) Chicken pox
  B) Cholera
  C) common cold
  D) Whooping cough
  Show Answer
  The correct answer is B .
• Question 1034:

  Which process in the nutrient cycle converts atmospheric nitrogen into a form that plants can utilize?

  Options:
  A) Denitrification
  B) Nitrogen fixation
  C) Ammonification
  D) Nitrification
  Show Answer
  The correct answer is B .
• Question 1035: Nitrification means Options:
  A) conversion of nitrates to nitrogen
  B) fixing nitrogen into plants
  C) conversion of nitrates to nitrites
  D) changing of ammonia to nitrities, then nitrates
  E) nitrogen cycle
  Show Answer
  The correct answer is D .
• Question 1036: A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contacted Options:
  A) schistosomiasis
  B) onchocerciasis
  C) poliomyelitis
  D) salmonellosis
  Show Answer
  The correct answer is A .
• Question 1037:

  The correct sequence of the movement of urea during urine formation is?

  Options:
  A) glomerulus ---> Bowman's capsule -> convoluted tubule ---> Henle's loop -> collecting- tubule
  B) glomerulus -> Bowman's capsule -> convoluted tubule -> Henle's loop -> convoluted tubule -> collecting tubule
  C) convoluted tubule -> glomerulus --> Nettle's loop -> Bowman's capsule->collecting tubule
  D) convoluted tubule -> Bowman's capsule -> Henle's loop -7> glomerulus -> collecting tubule
  Show Answer
  The correct answer is A .
• Question 1038: In the Burret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive results? Options:
  A) Mercurous nitrates
  B) Copper sulphate
  C) Mercuric nitrate
  D) Sodium carbonate
  E) Ammonium hydroxide
  Show Answer
  The correct answer is B .
• Question 1039: The one-seeded fuit in which the pericarp and the seed coat have become fused together is known as Options:
  A) achene
  B) samara
  C) caryopsis
  D) legume
  E) drupe
  Show Answer
  The correct answer is C .
• Question 1040: The dorsal and anal fins of fish are used for Options:
  A) Upward movement
  B) Controlling rolling
  C) Downward movement
  D) Steering
  E) Buoyancy
  Show Answer
  The correct answer is B .