Waec Biology Past Questions and Answers

Question 1851:

• WAEC 1996

A few drops of fehling’s solution was added to juice extracted from fresh maize grain and boiled. A red
recipitate was formed, indicating the presence of

A. Alcohol
B. Protein
C. Non-reducing sugar
D. Starch
E. Endoplasmic reticulum

Question 1852:

• WAEC 1996

Which of the following is not a cell organelle?

A. Golgi body
B. Nucleus
C. Fat droplets
D. Ribosome
E. Endoplasmic reticulum

Question 1853:

• WAEC 1996

One of the differences between plants and animals is that

A. Growth is indefinite in animals but definite in plants
B. Nutrition is autotrophic in plants but holophytic in animals
C. In plants there are excretory systems but in animals waste products are stored away
D. Plants react slowly to external stimuli while animals react more quickly
E. Respiration takes place in animals but does not take place in plants

Question 1854:

• WAEC 1996

Which of the following are the final products of aerobic respiration?

A. Water, carbondioxide and energy
B. Pyruvic acid, carbondioxide and water
C. Glucose, energy and urea
D. Energy and carbondioxide
E. Lactic acid, water and carbondioxide

Question 1855:

• WAEC 1996

Movement of water across a semi-permeable membrane from a weaker solution to a stronger solution is
known as

A. Transpiration
B. Diffusion
C. Active transport
D. Plasmolysis
E. Osmosis