NEET Exam MCQs
Biology: Excretory Products and Elimination
Biology: Excretory Products and Elimination 49 Questions
1 / 49
Uricotelic mode of passing out nitrogenous wastes is found in
2 / 49
Which one of the following is not a part of a renal pyramid?
3 / 49
Uric acid is the chief nitrogenous component of the excretory products of
4 / 49
Consider the following four statements (A–D) about certain desert animals such as kangaroo rat A. They have dark colour and high rate of reproduction and excrete solid urine. B. They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs. C. They feed on dry seeds and do not require drinking water. D. They excrete very concentrated urine and do not use water to regulate body temperature.
Which two of the above statements for such animals are true?
5 / 49
In Ornithine cycle which one pair of the following wastes are removed from the blood?
6 / 49
Uricotelism is found in
7 / 49
In living beings, ammonia is converted into urea through
8 / 49
The enteronephric nephridia of earthworms are mainly concerned
9 / 49
Aquatic reptiles are
10 / 49
In ureotelic animals, urea is formed by
11 / 49
The kidney of an adult frog is
12 / 49
Uric acid is nitrogenous waste in
13 / 49
Nitrogenous waste products are eliminated mainly as
14 / 49
The principal nitrogenous excretory compound in humans is synthesised
15 / 49
What will happen if the stretch receptors of the urinary bladder wall are totally removed?
16 / 49
Bowman’s glands are found in
17 / 49
Part not belonging to uriniferous tubule is
18 / 49
Proximal and distal convoluted tubules are parts of
19 / 49
Brush border is characteristic of
20 / 49
The increase in osmolarity from outer to inner medullary interstitium is maintained due to
I. close proximity between Henle’s loop and vasa recta II. counter-current mechanism III. selective secretion of HCO3 − and hydrogen ions in PCT. IV. higher blood pressure in glomerular capillaries
21 / 49
Which of the following statements is correct?
22 / 49
The part of nephron involved in active reabsorption of sodium is
23 / 49
Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?
24 / 49
The maximum amount of electrolytes and water (70-80%) from the glomerular filtrate is reabsorbed in which part of the nephron?
25 / 49
Which one of the following correctly explains the function of a specific part of a human nephron?
26 / 49
Injury to adrenal cortex is not likely to affect the secretion of which one of the following?
27 / 49
Which one of the following statements in regard to the excretion by the human kidneys is correct?
28 / 49
The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is
29 / 49
If Henle’s loop were absent from mammalian nephron, which of the following is to be expected?
30 / 49
The ability of the vertebrates to produce concentrated (hyperosmotic) urine usually depends upon the
31 / 49
The basic functional unit of human kidney is
32 / 49
Under normal conditions which one is completely reabsorbed in the renal tubule?
33 / 49
Reabsorption of useful substances from glomerular filtrate occurs in
34 / 49
Select the correct statement
35 / 49
Which of the following factors is responsible for the formation of concentrated urine?
36 / 49
A decrease in blood pressure/volume will not cause the release of
37 / 49
Human urine is usually acidic because
38 / 49
Which one of the following statements is correct with respect to kidney function regulation?
39 / 49
A person who is on a long hunger strike and is surviving only on water, will have
40 / 49
A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities o
41 / 49
Angiotensinogen is a protein produced and secreted by
42 / 49
Glucose is taken back from glomerular filtrate through
43 / 49
Which one of the following is correctly matched pair of the given secretion and its primary role in human physiology?
44 / 49
Presence of which of the following conditions in urine are indicative of diabetes mellitus?
45 / 49
46 / 49
Which of the following would help in prevention of diuresis?
47 / 49
48 / 49
Use of an artificial kidney during hemodialysis may result in :
A. Nitrogenous waste build-up in the body B. Non-elimination of excess potassium ions C. Reduced absorption of calcium ions from gastrointestinal tract D. Reduced RBC production Which of the following options is the most appropriate?
49 / 49
A condition of failure of kidney to form urine is called
Your score is
The average score is 0%
Restart quiz