Biology Form 4 KSSM Topic 13

Diagram shows the structure of nephrone. What is X?

• Loop of Henle

• Collecting duct

• Distal convoluted tubule

• Proximal convoluted tubule

Urea produced from the .... is secreted into the .... of the kidney before flowing through the …

• kidney, glomerulus, loop of Henle

• liver, distal convoluted tubule, collecting duct

• liver, collecting duct, loop of Henle

• kidney, distal convoluted tubule, glomerulus

Diagram shows the structure of human brain. Which part labelled A, B, C, D, E, F, G, H, J, K, L, M, and N controls the regulation of body temperature?

• F

• A

• K

• E

Diagram shows the structure of a nephron. Which of the following activities cause X to be more permeable to water?

• P and Q

• P and R

• P, R, and S

• P, Q, and R

Diagram shows a nephron which is the basic structure of kidney. What process is taking place at Z?

• Deamination

• Reabsorption

• Osmoregulation

• Ultrafiltration

Diagram shows ultrafiltration in the Bowman’s capsule. Which of the following substances enter the capsular space?

• Water, glucose, amino acids, urea, mineral salts

• Water, glucose, amino acids, urea, plasma proteins

• Water, glucose, amino acids, platelets, mineral salts

• Water, glucose, amino acids, urea, mineral salt, red blood cells

Which of the following happens in her body corrective mechanisms to control her blood sugar level?

• The breakdown of glycogen to glucose by liver

• Islet cells in pancreas are stimulated to secrete glucagon

• The conversion of excess glucose into glycogen to be stored in liver and muscle cells

• Lipid in the adipose tissues break down to release fatty acids that can be metabolized to generate energy

Which of the following can cause the malfunction of the urinary system?

• Oedema

• Angina

• Kidney stone

• Gall stone

The graphs show how four different conditions in the body change with time. Which graph depicts the condition that is controlled by the negative feedback mechanism?

• 
• 
• 
• 

Diagram shows a cross section of the human skin. Which part, A, B, C or D, is an effector involved in regulating body temperature?

• A

• B

• C

• D