Search SchoolNGR

Biology Past Questions and Answers

Waec Biology Questions

Question 141:

The mechanism of gaseous exchange in living organisms is essentially by

SchoolNGR Classroom

A Osmosis
B Inhalation
C Diffusion
D Exhalation
E Breathing

View Answer & Explanation

Question 142:

Which of the following statement is correct about diffusion?

SchoolNGR Classroom

A It involves movement of water molecules only
B Molecules move from a region of higher concentration to a region of lower concentration
C Differentially permeable membrane must be present for diffusion to occur
D It involves when a solute can no longer dissolve in a solvent of only solute molecules into the Bowman's capsule
E It occurs when a solute can no longer dissolve in a solvent

View Answer & Explanation

Question 143:

The process of anearobic respiration of yeast in sugar solution is known as

SchoolNGR Classroom

A Oxidation
B Fermentation
C Tissue respiration
D Alcohol production
E Decomposition

View Answer & Explanation

Question 144:

The following are functions of the skeleton except

SchoolNGR Classroom

A Providing support for the body
B Protection of delicate internal organs
C Maintenance of the shape of the body
D Providing attachment for muscles
E Controlling growth rate in animals

View Answer & Explanation

Question 145:

Muscles are attached to bones by means of

SchoolNGR Classroom

A Ligament
B Cartilage
C Synovial membrane
D Tendons
E Connective tissue

View Answer & Explanation

Stay Updated

Follow us on:

Subjects