Waec Biology 2016 Past Questions and Answers

Question 46:

• WAEC 2016

Plant A was seen to appear as Plant B after seven hours
Study the above diagrams carefully and answer the questions.
The term that can be used to describe what happened to Plant A after seven hours is

A. Wilting
B. Competition
C. Transpiration
D. Osmosis

Question 47:

• WAEC 2016

Plant A was seen to appear as Plant B after seven hours
Study the above diagrams carefully and answer the questions.
The environmental factors responsible for the condition in plant B are

A. Low humidity and low temperature
B. High humidity and low temperature
C. Low humidity and high temperature
D. High humidity and high temperature

Question 48:

• WAEC 2016

Study the diagram above and answer the question.
A decrease in the number of 11 will result in

A. An increase in urine production
B. An increase in energy production
C. A decreased population
D. Decreased immunity

Question 49:

• WAEC 2016

The major problem experience by organisms living in small water bodies is

A. Drying up
B. Oxygen deficiency
C. Scarcity of food
D. Wave action

Question 50:

• WAEC 2016

The capillarity of a soil refers to

A. The particle size of soil
B. How easily water passes through soil
C. How well water rises up in soil
D. Proportion of water a soil holds