Waec Biology Past Questions and Answers

Question 1481:

• WAEC 2013

Which of the following statements about the diaphragm of a mammal is not correct? it

A. Separates the thorax and the abdomen
B. Is a thick layer of muscle
C. Is made of epithelial cells
D. Is part of the human respiratory apparatus

Question 1482:

• WAEC 2013

Which of the following structures is used for respiration in insects?

A. Lungs
B. Thorax
C. Cuticle
D. Spiracles

Question 1483:

• WAEC 2013

A substance present in the glomerular filtrate in the mammalian Kidney is

A. Glucose
B. Fibrinogen
C. Albumen
D. Blood platelets

Question 1484:

• WAEC 2013

In humans, excretion of hypertonic urine is associated with the

A. Distal convoluted tubule
B. Loop of Henle
C. Bowman's capsule
D. Proximal convoluted tubule

Question 1485:

• WAEC 2013

The maintenance of a stable internal environment within the body of a mammal is known as

A. Osmosis
B. Plasmolysis
C. Homeostasis
D. Excretion