Waec Biology Past Questions and Answers

Question 1746:

• WAEC 2018

The conclusion drawn from the experiment in the diagram above is that

A. Shoots of plants are negatively thigmotropic
B. Shoots of plants are negatively geotropic
C. Shoots of plants are positively phototropic
D. Roots of plants are positively hydrotropic

Question 1747:

• WAEC 2018

The odontoid process is found on the

A. Axis vetebra
B. Atlas vetebra
C. Thoracic vetebra
D. Sacral vetebra

Question 1748:

• WAEC 2018

A seedling was made to stand in a solution of red ink for three hours and a transverse section of the stem was examined under the microscope. The process being investigated was

A. The importance of micro elements to plants
B. Ascent of water through the xylem
C. Diffusion of colored substances
D. Distribution of food in plants

Question 1749:

• WAEC 2018

Which of the following structures would carry out cellular respiration? A

A. Germinating seed
B. Decolorised leaf
C. Dry leaf
D. Boiled cowpea

Question 1750:

• WAEC 2018

Which of the following is NOT an excretory product of animals?

A. Carbondioxide
B. Urea
C. Sweat
D. Oxygen