Waec Biology 2005 Past Questions and Answers

Question 31:

• WAEC 2005

Which of the following elements is required in large amounts by plants

A. Molybdenum
B. Boron
C. Copper
D. Phosphorus

Question 32:

• WAEC 2005

Which of the following substances has the highest amount of energy in joules per unit weight?

A. Carbohydrates
B. Proteins
C. Fats
D. Vitamins

Question 33:

• WAEC 2005

Which of the following elements is required in large amounts by plants

A. Molybdenum
B. Boron
C. Copper
D. Phosphorus

Question 34:

• WAEC 2005

Which of the following juices contains the enzyme ptyalin?

A. Gastric juice
B. Pancreatic juice
C. Succus
D. Saliva

Question 35:

• WAEC 2005

Trees in savannah habitats usually have heavy thick bark which mainly

A. Reduces the rate of transpiration
B. Protect them from the scorching sun
C. Protect them from heavy winds
D. Resist bush tires