Question

107) Which of the following is an important function of stomata in a leaf?

a) Absorbing water vapour from the air

b) Allowing gaseous waste products to leave the plant

c) Producing chlorophyll for photosynthesis

d) None of the above

108) Which substance is excreted from the lungs?

a) Water vapour

b) Urea

c) Excess salt

d) Cellulose

109) What does urine contain?

a) Water and urea only

b) Water and salts only

c) Water, urea and salts

d) Hemicellulose, Pectin and Lignin

110) Which tube in the urinary system goes from the kidney to the bladder?

a) the collecting duct

b) The ureter

c) The urethra

d) The renal pyramids

111) Where is the glomerulus found?

a) Around a convoluted tubule

b) In the loop of Henley

c) In the Bowman’s capsule

d) In the collecting duct

112) What does the filtrate in the Bowman’s capsule contain?

a) Water, ions, urea and proteins

b) Water, ions, urea and glucose

c) Water, urea, ions and RBC

d) All of the above

113) Where does the selective re absorption of glucose happen in the kidney Nephron?

a) In the PCT

b) In the DCT

c) In the CD

d) In the UB

114) What happens if the blood plasma is too concentrated?

a) Less ADH is released, causing more water to be reabsorbed in the nephrons

b) More ADH is released, causing more water to be reabsorbed in the nephrons

c) Less water to be reabsorbed in the nephrons

d) None of the above

115) Which blood vessel supply the kidneys?

a) The hepatic arteries

b) The renal arteries

c) The pulmonary arteries

d) All of the above​

Answer 1

Answer:

109-water, urea, salt

Answer 2

Answer:

107- b

108- a

109- c

110-b

111-c

112-a

113-d

114-b

115-b