Biology 2000 Waec Past Questions and Answers

Question 11 :

• WAEC 2000

In which of the following organisms is ammonia excreted as a waste product?

A. Man
B. Bird
C. Amoeba
D. Spirogyra

Question 12 :

• WAEC 2000

The following are the functions of supporting tissues in plant except

A. Rigidity
B. Flexibility
C. Strengthening
D. Secretory

Question 13 :

• WAEC 2000

Which of the following organisms has the largest surface area-to-volume ratio?

A. Man
B. Earthworm
C. Amoeba
D. Grasshopper

Question 14 :

• WAEC 2000

Which of the following plant parts does not perform supportive function?

A. Parenchyma, xylem and . collenchyma
B. Epidermis, sclerenchyma and xylem
C. Parenchyma, collenchyma and sclerenchyma
D. Sclerenchyma, xylem and collenchyma

Question 15 :

• WAEC 2000

The following are useful effect of micro-organisms except

A. Production of vaccines
B. Curing of tobacco
C. Tanning of leather
D. Decay of meat