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 521:

  Which of the following groups of organisms has kidney as the excretory organ?

  Options:
  A) Fishes, amphibians, birds, man
  B) Fishes, amphibians, annelids, insects
  C) Fishes, reptiles, birds, tapeworm
  D) Fishes, protozoans, amphibians, man
  Show Answer
  The correct answer is A .
• Question 522:

  

  Re-absorption of useful materials takes place in the part labelled

  Options:
  A) 1 and 3
  B) 3 and 5
  C) 5 and 6
  D) 6 and 7
  E) 2 and 4
  Show Answer
  The correct answer is E .
• Question 523:

  The hormones secreted by pancreas serves to

  Options:
  A) Facilitate the development of facial hairs
  B) Raise the level of calcium in the blood
  C) Lower blood glucose level
  D) Make the body react to emergencies
  Show Answer
  The correct answer is C .
• Question 524: The difference in structure, morphological and behavior of plant and animal is called Options:
  A) adaptation
  B) evolution
  C) variation
  D) succession
  Show Answer
  The correct answer is C .
• Question 525: Vaccination is carried out in order to Options:
  A) check the production of poison
  B) increase the activity of white blood cells
  C) increase the number of red blood cells
  D) stimulate the production of antibodies
  Show Answer
  The correct answer is D .
• Question 526: Which of the following is lacking in the diet of a person with kwashiorkor? Options:
  A) proteins
  B) carbohydrates
  C) minerals
  D) vitamins
  Show Answer
  The correct answer is A .
• Question 527:

  In the enzyme (amlyase) reactions of starch → sugar

  Starch is referred to as the

  Options:
  A) substrate
  B) product
  C) enzyme
  D) enzyme-substrate complex
  E) reaction mixture
  Show Answer
  The correct answer is A .
• Question 528: A carbohydrate molecule in the blood in the right ventricles of the heart is pumped into the cell of the toe of a man. Which of these structure is it unlikely to pass through en-route Options:
  A) pulmonary artery
  B) lungs
  C) Heart
  D) liver
  E) aorta
  Show Answer
  The correct answer is D .
• Question 529:

  

  The largest number of cassava plants has an approximate height of

  Options:
  A) 1.4m
  B) 1.6m
  C) 1.8m
  D) 2.0m
  Show Answer
  The correct answer is B .
• Question 530: The lowest unit of classification is the Options:
  A) class
  B) genus
  C) phylum
  D) species
  Show Answer
  The correct answer is D .