Excretion - Jamb Biology Past Questions and Answers

Question 36:

• JAMB 2005

The urinary tubules of the kidney function through

A. Osmosis and diffusion
B. Active transport and osmosis
C. Ultrfiltration and selective reabsorption
D. Active transport and cytoplasmic streaming

Question 37:

• JAMB 2005

Excess water in plants is excreted as water vapour and droplets respectively through

A. Respiration and guttation
B. Transpiration and guttation
C. Photosynthesis and guttation
D. Guttation and condensation

Question 38:

• JAMB 2005

from the diagram above the structure labelled I originates from the

A. Liver
B. Kidney
C. Small intestine
D. Stomach

Question 39:

• JAMB 2006

The product of excretion common to the mammalian kidney, lung and skin is

A. Mineral salt
B. Carbon (IV) oxide
C. Water
D. Urea

Question 40:

• JAMB 2006

Mammals are capable of producing hypertonic urine mainly because of re-absorption in the

A. Bowmans capsule
B. Urethra
C. Ureter
D. Loop of henle