← Back to Zoology

Excretory Products And Their Elimination

176 Questions Start Allen Test
All Exams Allen
Q101 Allen PYQ MCQ
A decrease in blood pressure / volume will not cause the release of :-
A.
Atrial natriuretic factor
B.
Aldosterone
C.
ADH
D.
Renin
Q102 Allen PYQ MCQ
Which of the following statements is correct?
A.
The descending limb of loop of Henle is impermeable to water.
B.
The ascending limb of loop of Henle is permeable to water.
C.
The descending limb of loop of Henle is permeable to electrolytes.
D.
The ascending limb of loop of Henle is impermeable to water.
Q103 Allen PYQ Match the Columns
Match the items given in Column-I with those in Column-II and select the correct option given below:
Column-IColumn-II
(A)Glycosuria
(B)Gout
(C)Renal calculi
(D)Glomerular nephritis
(I)Accumulation of uric acid in joints
(II)Mass of crystallised salts within the kidney
(III)Inflammation in glomeruli
(IV)Presence of glucose in urine
A.
A-III, B-II, C-IV, D-I
B.
A-I, B-II, C-III, D-IV
C.
A-II, B-III, C-I, D-IV
D.
A-IV, B-I, C-II, D-III
Q104 Allen PYQ Match the Columns
Match the items given in Column-I with those in Column-II and select the correct option given below:
(Function) with (Part of Excretory System):
Column-IColumn-II
(A)Ultrafiltration
(B)Concentration of urine
(C)Transport of urine
(D)Storage of urine
(I)Henle's loop
(II)Ureter
(III)Urinary bladder
(IV)Malpighian corpuscle
(V)Proximal convoluted tubule
A.
A-IV, B-V, C-II, D-III
B.
A-IV, B-I, C-II, D-III
C.
A-V, B-IV, C-I, D-II
D.
A-V, B-IV, C-I, D-III
Q105 Allen PYQ MCQ
Uric acid is formed by :-
A.
Phospholipids
B.
DNA or RNA
C.
Sphingolipids
D.
Glycolipids
Q106 Allen PYQ MCQ
Which of the following factors is responsible for the formation of concentrated urine?
A.
Low levels of antidiuretic hormone.
B.
Maintaining hyperosmolarity towards inner medullary interstitium in the kidneys.
C.
Secretion of erythropoietin by juxtaglomerular complex.
D.
Hydrostatic pressure during glomerular filtration.
Q107 Allen PYQ MCQ
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 gastro-intestinal tract
(d) Reduced RBC production
Which of the following options is the most appropriate?
A.
(a) and (b) are correct
B.
(b) and (c) are correct
C.
(c) and (d) are correct
D.
(a) and (d) are correct
Q108 Allen PYQ Match the Columns
Match the following parts of a nephron with their function:-Select the correct option from the following
with :
Column-IColumn-II
(A)Descending limb of Henle's loop
(B)Proximal convoluted tubule
(C)Ascending limb of Henle's loop
(D)Distal convoluted tubule
(I)Reabsorption of salts only
(II)Reabsorption of water only
(III)Conditional reabsorption of sodium ion and water
(IV)Reabsorption of ion, water and organic nutrients
A.
(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
B.
(A)-(II), (B)-(IV), (C)-(I), (D)-(III)
C.
(A)-(I), (B)-(IV), (C)-(II), (D)-(III)
D.
(A)-(IV), (B)-(I), (C)-(III), (D)-(II)
Q109 Allen PYQ Match the Columns
Match the items in Column-I with those in Column-II :- Select the correct option from the following
with :
Column-IColumn-II
(A)Podocytes
(B)Protonephridia
(C)Nephridia
(D)Renal calculi
(I)Crystallised oxalates
(II)Annelids
(III)Amphioxus
(IV)Filtration slits
A.
(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
B.
(A)-(III), (B)-(II), (C)-(IV), (D)-(I)
C.
(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
D.
(A)-(IV), (B)-(II), (C)-(III), (D)-(I)
Q110 Allen PYQ MCQ
Which of the following would help in prevention of diuresis ?
A.
Decrease in secretion of renin by JG cells
B.
More water reabsorption due to under secretion of ADH
C.
Reabsorption of Na+ and water from renal tubules due to aldosterone
D.
Atrial natriuretic factor causes vasoconstriction
Q111 Allen PYQ MCQ
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
A.
Only (ii)
B.
(iii) and (iv)
C.
(i), (ii) and (ii)
D.
(i) and (ii)
Q112 Allen PYQ MCQ
Select the correct statement :-
A.
Atrial Natriuretic Factor increases the blood pressure.
B.
Angiotensin Il is a powerful vasodilator.
C.
Counter current pattern of blood flow is not observed in vasa recta.
D.
Reduction in Glomerular Filtration Rate activates JG cells to release renin.
Q113 Allen PYQ MCQ
Nitrogenous waste is excreted in the form of pellet or paste by :-
A.
Salamandra
B.
Hippocampus
C.
Pavo
D.
Ornithorhynchus
Q114 Allen PYQ MCQ
Select the correct statements. (a) Angiotensin II activates the cortex of adrenal gland to release aldosterone. (b) Aldosterone leads to increase in blood pressure. (c) ANF acts as a check on renin-angiotensin mechanism. (d) ADH causes vasodilation. (e) Vasopressin is released from adenohypophysis.
Choose the most appropriate answer from the options given below :-
A.
(a), (b) and (e) only
B.
(c), (d) and (e) only
C.
(b), (c) and (d) only
D.
(a), (b) and (c) only
Q115 Allen PYQ MCQ
Given below are statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Nephrons are of two types : Cortical & Juxta medullary, based on their relative position in cortex and medulla. Reason R : Juxta medullary nephrons have short loop of Henle whereas, cortical nephrons have longer loop of Henle. In the light of the above statements, choose the correct answer from the options given below :-
A.
Both A and R are true but R is NOT the correct explanation of A.
B.
A is true but R is false.
C.
A is false but R is true.
D.
Both A and R are true and R is the correct explanation of A.
Q116 Allen PYQ MCQ
Which of the following statements are correct? A. An excessive loss of body fluid from the body switches off osmoreceptors. B. ADH facilitates water reabsorption to prevent diuresis. C. ANF causes vasodilation. D. ADH causes increase in blood pressure. E. ADH is responsible for decrease in GFR. Choose the correct answer from the options given below:
A.
B, C and D only
B.
A, B and E only
C.
C, D and E only
D.
A and B only
Q117 Allen PYQ MCQ
Arrange the events of Renin - Angiotensin mechanism in correct sequence. (A) Activation of JG cells and release of renin. (B) Angiotensin II activates release of aldosterone. (C) Fall in glomerular blood pressure. (D) Reabsorption of Na+ and water from distal convoluted tubule. (E) Angiotensinogen is converted to Angiotensin I and then to Angiotensin II.
Choose the correct answer from the options given below :-
A.
(C), (A), (E), (B), (D)
B.
(A), (D), (E), (C), (B)
C.
(A), (D), (C), (B), (E)
D.
(B), (A), (E), (D), (C)
Q118 Allen PYQ MCQ
Assertion (A) : Ascending limb of loop of Henle is impermeable to water and allows transport of electrolytes actively or passively. Reason (R) : Dilution of filtrate takes place due to efflux of electrolytes in the medullary fluid. In the light of the above statements, choose the correct answer from the options given below :-
A.
(A) is true but (R) is false
B.
(A) is false but (R) is true
C.
Both (A) and (R) are true and (R) is the correct explanation of (A)
D.
Both (A) and (R) are true and (R) is not the correct explanation of (A)
Q119 Allen PYQ MCQ
Statement-I: In the nephron, the descending limb of loop of Henle is impermeable to water and permeable to electrolytes. Statement-II: The proximal convoluted tubule is lined by simple columnar brush border epithelium and increases the surface area for reabsorption. In the light of the above statements, choose the correct answer from the options given below :-
A.
Both Statement-I and Il are correct.
B.
Both Statement-I and Il are incorrect.
C.
Statement-I is correct but Statement-II is incorrect.
D.
Statement-I is incorrect but Statement-II is correct.
Q120 Allen PYQ MCQ
Choose the correct statement given below regarding juxta medullary nephron.
A.
Juxta medullary nephrons are located in the coloumns of Bertini.
B.
Renal corpuscle of juxta medullary nephron lies in the outer portion of the renal medulla.
C.
Loop of Henle of juxta medullary nephron runs deep into medulla.
D.
Juxta medullary nephrons outnumber the cortical nephrons.
Q121 Allen PYQ MCQ
Statement-I : Concentrated urine is formed due to counter current mechanism in nephron. Statement-II : Counter current mechanism helps to maintain osmotic gradient in the medullary interstitium. In the light of the above statements, choose the most appropriate answer from the options given below :
A.
Statement-I is correct but Statement-Il is incorrect.
B.
Statement-I is incorrect but Statement-II is correct.
C.
Both Statement-I and Il are correct.
D.
Both Statement-I and Il are incorrect.
Q122 Allen NCERT BASED QUESTIONS MCQ
Ureter, blood vessels and nerves enter in to the kidney through :-
A.
Pelvis
B.
Hilum
C.
Convex surface
D.
Pyramids
Q123 Allen NCERT BASED QUESTIONS MCQ
Excretory organ in prawn is
A.
Green gland
B.
Malpighian tubules
C.
Kidney
D.
Nephridia
Q124 Allen NCERT BASED QUESTIONS MCQ
Which of the following condition can activate the JG cells to release renin?
A.
More Na⁺ in blood plasma
B.
More blood volume
C.
High glomerular blood pressure
D.
Fall in GFR
Q125 Allen NCERT BASED QUESTIONS Match the Columns
Match the following : Column-I with Column-II:
Column-IColumn-II
(A)PCT
(B)DCT
(C)Descending
(D)Ascending
(E)Collecting
(I)Selective secretion of H⁺ and K⁺ ions.
(II)70-80 percent of electrolytes and water reabsorbed
(III)Allow passage of limb small amount of urea.
(IV)Permeable to water limb
(V)Permeable to salts duct
A.
A-(I), B-(II), C-(III), D-(IV), E-(V)
B.
A-(I), B-(III), C-(IV), D-(II), E-(V)
C.
A-(II), B-(I), C-(IV), D-(V), E-(III)
D.
A-(II), B-(I), C-(V), D-(IV), E-(III)