WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709

Biology Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
4756

The total number of caudal vertebrae in animals X and Y is 4 and 27 respectively. The animals are likely to be.

  • A. fish and human
  • B. toad and rat
  • C. toad and fish
  • D. humans and rat
View Answer & Discuss (3) WAEC 2022
4757

Which of the following blood components has the greatest affinity for oxygen and carbon (IV) oxide? 

  • A. Lymphocyte
  • A. Thrombocyte
  • B. Erythrocyte
  • C. Blood plasma
View Answer & Discuss (2) WAEC 2022
4758

Use the following processes to answer this question.
I-Ribs move upward and outward

II- Diaphragm relaxes

IIl-Volume of thorax increases

IV-Air is forced out of the lungs

 Which of the processes take place during inspiration?

  • A. I and III only
  • B. II and III only
  • C. II and III only
  • D. III and IV only
View Answer & Discuss (3) WAEC 2022
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
4759

Use the following processes to answer this question.
I-Ribs move upward and outward

II- Diaphragm relaxes

IIl-Volume of thorax increases

IV-Air is forced out of the lungs

which of the following processes is a direct result of contraction of the intercostal muscles?

  • A. I
  • B. II
  • C. III
  • C. IV
View Answer & Discuss (4) WAEC 2022
4760

The table above shows the effect of hormones I,II,III and IV on some parts of the human body. Where (✓) represents effects and (X) represents no effect of hormone on the corresponding part of the body. study it and answer this question. 
 

Which of the following hormones are l, II, Ill and IV respectively?

  • A. ADH, Glucagon, Oestrogen, Adrenaline
  • B. Adrenaline, Glucagon, Oestrogen, ADH
  • C. Glucagon,ADH, Oestrogen, Adrenaline
  • D. Adrenaline, ADH, Oestrogen, Glucagon
View Answer & Discuss (14) WAEC 2022
Start a Free Practice Test
 
WAEC offline past questions - with all answers and explanations in one app - Download for free
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709