Waec Biology Past Questions and Answers

Question 666:

• WAEC 2000

A very poor growth in plants and discolouration of leaves signifies the deficiency of

A. Calcium
B. Magnesium
C. Potassium
D. Manganese

Question 667:

• WAEC 2000

Vitamin C which is water soluble is

A. Cabalamine
B. Pyridoxine
C. Ascorbic acid
D. Riboflavine

Question 668:

• WAEC 2000

Vitamin C deficiency results in

A. Ricket
B. Beri-beri
C. Scurvy
D. Pellagra

Question 669:

• WAEC 2000

Members of the vitamin B complex are

A. Water-soluble
B. Fat-soluble
C. Water insoluble
D. Generally insoluble

Question 670:

• WAEC 2000

Which of the following statements about phosphorous is not correct?

A. Helps to regulate the acid-base balance of the body
B. Regulates the metabolism of proteins, fats and carbohydrates
C. Required in many chemical reactions occurring in the body
D. Phosphorous is a major constituent of bones and teeth