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Excretory Products and Their Elimination (Class - XI)

Excretory Products and their Elimination

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Match the following:

 
a. Platyhelminthes 1. They have antennal glands to perform the excretory functions.
b. Annelids 2. They have protonephridia as the excretory structures.
c. Crustaceans 3. They have tubular excretory structures called nephridia.
  1. a - 1, b - 3, c - 2
  2. a - 3, b - 2, c - 1
  3. a - 1, b - 2, c - 3
  4. a - 2, b - 1, c - 3
  5. a - 2, b - 3, c - 1
Question 2 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Kidneys are situated between the levels of last thoracic and third lumbar vertebra close to the dorsal inner wall of the abdominal cavity.
b. Malpighian tubules are the excretory structures of most of the insects.
c. Renal tubule is a tuft of capillaries formed by the afferent arteriole.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 3 Multiple Choice (Single Answer)

Which of the following glands in a human body is located on top of each kidney?

  1. Thyroid gland
  2. Adrenal gland
  3. Pituitary gland
  4. Pancreas
  5. Prostate gland
Question 4 Multiple Choice (Single Answer)

Juxta glomerular apparatus(JGA) is a special sensitive region formed by cellular modifications. JGA is formed in which of the following?

a. Distal convoluted tubule
b. Afferent arteriole
c. Glomerulus

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 5 Multiple Choice (Single Answer)

In the human excretory system, which of the following are in pairs?

a. Urinary bladder
b. Kidney
c. Urethra
d. Ureters

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only b and d
  5. Only b and c
Question 6 Multiple Choice (Single Answer)

Kidney functioning is efficiently monitored and regulated by hormonal feedback mechanisms. Which of the following is/are involved in it?

a. Heart
b. Hypothalamus
c. Juxta glomerular apparatus

  1. only a
  2. only a and b
  3. only a and c
  4. only b and c
  5. a, b and c
Question 7 Multiple Choice (Single Answer)

Which of the following organs secretes bile-containing substances like bilirubin, biliverdin, etc, most of which, ultimately pass out along with digestive wastes?

  1. Lungs
  2. Kidneys
  3. Liver
  4. Skin
  5. None of these
Question 8 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The collecting duct extends from the cortex of the kidney to the inner parts of the medulla.
b. Each human kidney has nearly one million complex tubular structures called Columns of Bertini.
c. The collecting duct can reabsorb large amounts of water to produce a concentrated urine.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 9 Multiple Choice (Single Answer)

Which of the following is not a property of the Proximal Convoluted Tubule?

  1. It is lined by simple cuboidal brush border epithelium.
  2. It absorbs all the essential nutrients.
  3. 70-80 percent of electrolytes and water is reabsorbed by this segment.
  4. It helps to maintain the pH and ionic balance of the body fluids.
  5. It plays a significant role in the maintenance of high osmolarity of medullary interstitial fluid.
Question 10 Multiple Choice (Single Answer)

A concentrated urine is produced by mammals. Which of the following play(s) a significant role in this?

a. Henle’s loop
b. Vasa recta
c. Bowman's capsule

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 11 Multiple Choice (Single Answer)

Which of the following animals excrete nitrogenous wastes as uric acid in the form of pellet/paste with a minimum loss of water?

a. Reptiles
b. Birds
c. Mammals
d. Aquatic amphibians

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only b and c
  5. Only b and d
Question 12 Multiple Choice (Single Answer)

The tubular epithelial cells in different segments of nephron perform reabsorption either by active or by passive mechanisms. Which of the following substances in the filtrate are reabsorbed by active mechanism?

a. Nitrogeneous waste
b. Water
c. Glucose
d. Amino acids

  1. Only a and c
  2. Only a and b
  3. Only a and d
  4. Only c and d
  5. Only b and c
Question 13 Multiple Choice (Single Answer)

Match the following:

 
a. Uremia 1. In this, malfunctioning of kidneys leads to accumulation of urea in blood.
b. Renal calculi 2. In this, inflammation of glomeruli of kidney occurs.
c. Glomerulonephritis 3. In this, stone or insoluble mass of crystallised salts are formed within the kidney.
  1. a - 1, b - 3, c - 2
  2. a - 1, b - 2, c - 3
  3. a - 3, b - 1, c - 2
  4. a - 3, b - 2, c - 1
  5. a - 2, b - 3, c - 1
Question 14 Multiple Choice (Single Answer)

Which of the following is/are the major forms of nitrogenous wastes excreted by the animals?

a. Urea
b. Ammonia
c. Phosphate
d. Uric acid

  1. Only a and c
  2. Only a, b and d
  3. Only b and c
  4. Only c and d
  5. Only b
Question 15 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Atrial Natriuretic Factor can cause dilation of blood vessels and thus, increase the blood pressure.
b. Presence of Glycosuria and Ketonuria in urine are indicative of diabetes mellitus.
c. Osmoreceptors in the body are activated by changes in blood volume, body fluid volume and ionic concentration.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
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