Page 2 - Assignment-Excretory products and their elimination
P. 2
8. The _______ synthesizes most of the excretory compound in humans and is
eliminated through ________
1. Liver, Urine
2. Kidneys, Urine
3. Liver, Bile juice
4. None of the above
9. _______ is responsible for the recovery of water and sodium chloride from the
urine.
1. Bowman’s capsule
2. Ureter
3. Loop of Henle
4. None of the above
10. The ________ are kidney tissues that are shaped like cones.
1. Renal pyramids
2. Renal pelvis
3. Renal calculi
4. Renal vasculitis
B. Very Short Answer Questions (1 mark each)
1. Which gland secrete sebum?
2. One part of loop of Henle is impermeable to water. Name it.
3. Besides water, name any two contituents of human sweat.
4. Explian the function of vasa rectae.
5. Name two types of nephrons found in human kidney.
6. Define GFR (Glomerular Filtration Rate)
7. The mechanism of concentration of filtrate is also known as counter current
mechanism. Justify the statement.
8. What is micturition.
9. Write the function of enzyme ‘renin’ produced by kidney.
10. Name the excretary product of (i) reptiles (ii) Prawns.
C. Short Answer Questions-II (2 marks each)
11. Mark the odd ones is each of the following -
(a) Renal pelvis meducllary pyramind, renal cortex, ureter.
(b) Afferent arteriole, Henle’s loop vasa recta efferent arteriole.
(c) Glomerular filtration antiduretic hormone, hypertonic urine, collecting duct.
(d) Proximal convoluted tubule, distal convalsted tubule, Menlis loop real
corpuscle.
12. In the foillowing diagram of longitudinal section of kidney (Fig.-1) identify and
label a, b, c and d respectively.