Objective NCERT at your FINGERTIPS: Biology

NCERT

Chapter 19

Excretory Products and their Elimination, - all with Video Answers

Educators

Chapter Questions

Problem 1

The characteristic common to area, uric acid and ammonia is/are

Qudsiya Anis

Qudsiya Anis

Numerade Educator

Problem 2

Which one of the following organisms is correctly matched nith its excretory organs?

Kidneys, sebaceous glands and tear
(a) Humans glands
(b) Earthworm - Pharyngeal, integumentary and septal nephridia
1d Cockroach - Malpighian tubules and enteric caeca
(d) Frog Kidneys, skin and buccal epithelium

Qudsiya Anis

Numerade Educator

Problem 3

Which one of the following options gives the correct ctegorization of animals according to the type of nitogenous waste they give out? Ammonotelic $\quad$ Ureotelic $\quad$ Uricotelic
(a) Pigeon, humans Aquatic amphibia, Cockroach, lizards $\quad$ frog
(b) Frog, lizards Aquatic amphibia, Cockroach, humans pigeon
(d) Aquatic animals Frog, amphibia, Pigeon, lizards, humans cockroach
(o) Aquatic animals Cockroach, Frog, amphibia, humans pigeon, lizards

Qudsiya Anis

Numerade Educator

Problem 4

Match Column-I with Column-ll and select the correct option from the codes given below. Column-I Column-ll
Nephridia
(i) Crustaceans
B. Malpighian tubules
(ii) Annelids
C Antennal gland
(iii) Insects or Green glands
(a) $A-(i), B-(i i), C-(i i i)$
(b) $\mathrm{A}-(\mathrm{iii}), \mathrm{B}-(\mathrm{ii}), \mathrm{C}-(\mathrm{i})$
(d) $A \cdot($ ii), $B$ - (iii), C-(i)
(d) $\mathrm{A}-(\mathrm{ii}), \mathrm{B}-(\mathrm{i}) \mathrm{C}-(\mathrm{iii})$

Qudsiya Anis

Numerade Educator

Problem 5

Which of the following statements is incorrect?
(a) In ureotelic organisms, ammonia is not a product of metabolism.
(b) In mammals, some amount of urea may be retained in the kidney matrix to maintain osmolarity.
(c) In fish, kidneys do not play any significant role in the removal of ammonium ions.
(d) Urea and uric acid are less toxic than ammonia.

Qudsiya Anis

Numerade Educator

Problem 6

Which of the following pairs of organisms are uricotelic?
(a) Cartilaginous fish and mammals
(b) Reptiles and mammals
(c) Birds and insects
(d) Bony fish and lizards

Qudsiya Anis

Numerade Educator

Problem 7

Which of the following groups contains uricotelic animals only?
(a) Reptiles, birds, land snails, insects
(b) Reptiles, birds, land snails, aquatic insects
(c) Amphibians, birds, land snails, insects
(d) Amphibians, reptiles, birds, insects

Qudsiya Anis

Numerade Educator

Problem 8

Select the correct option representing the excretory organs present in (i) earthworm, (ii) centipede, (iii) prawn, and (iv) flatworm.

(a) Malpighian Flame Nephridia Green tubules cell gland
(b) Flame Green Malpighian Nephridia cell gland tubules
(c) Nephridia Malpighian Green Flame tubules gland cell
(d) Green Nephridia Flame cell Malpighian gland tubules

Qudsiya Anis

Numerade Educator

Problem 9

The principal nitrogenous excretory compound in humans is synthesized
(a) in kidneys but eliminated mostly through liver
(b) as well as eliminated by kidneys
(c) in liver and also eliminated by the same through bile
(d) in the liver, but eliminated mostly through kidneys.

Qudsiya Anis

Numerade Educator

Problem 10

Almost all the aquatic animals excrete ammonia as the nitrogenous waste product. Which of the following statements is not in agreement with this situation?
(a) Ammonia is easily soluble in water.
(b) Ammonia is released from the body in a gaseous state.
(c) Ammonia is highly toxic and needs to be eliminated when formed.
(d) Both (a) and (b).

Qudsiya Anis

Numerade Educator

Problem 11

Which one of the following options shows a correct matching pair?
(a) Man - Ureotelic
(b) Bird - Ammonotelic
(c) Fish - Uricotelic
(d) Frog - Uricotelic

Qudsiya Anis

Numerade Educator

Problem 12

Which of the following is the most toxic excretory product?
(a) $\mathrm{CO}_{2}$
(b) Ammonia
(c) Urea
(d) Amino acids

Qudsiya Anis

Numerade Educator

Problem 13

Which one of the following does not constitute a part of single uriniferous tubule?
(a) Distal convoluted tubule
(b) Collecting duct
(c) Bowman's capsule
(d) Loop of Henle

Qudsiya Anis

Numerade Educator

Problem 14

Refer the given figure of human urinary system and select the option that correctly identifies the labelled parts $A$ to $E$.

Qudsiya Anis

Numerade Educator

Problem 15

Which one of the following is not a part of renal pyramid?
(a) Peritubular capillarles (b) Convoluted tubules
(c) Collecting ducts
(d) Loop of Henle

Qudsiya Anis

Numerade Educator

Problem 16

Which of the following statements is
(a) Vasa recta is well developed in cortect?
(b) $\mathrm{PCT}$ and $\mathrm{DCT}$ are situated in kidney.
(c) The glomerulus encloses the
(d) The ascending limb of the Henle's loop expen DCT.

Qudsiya Anis

Numerade Educator

Problem 17

Select the option that correctly identifies from $\mathrm{A}$ to $\mathrm{F}$ in the given figure of nephron, pants $A=$

Qudsiya Anis

Numerade Educator

Problem 18

Which of the following options shows the coner measurements of an adult human kidney? Length Width Thickness Weight $\begin{array}{llll}\text { (a) } 10-12 \mathrm{~cm} & 5-7 \mathrm{~cm} & 2.3 \mathrm{~cm} & 120 \cdot 170 \mathrm{~g}\end{array}$
(b) $10-20 \mathrm{~cm} \quad 10.12 \mathrm{~cm} \quad 6.12 \mathrm{~cm} \quad 40-50 \mathrm{pr}$
$\begin{array}{lllll}\text { (c) } 2.6 \mathrm{~cm} & 8-10 \mathrm{~cm} & 5-10 \mathrm{~cm} & 60.709 \pi\end{array}$
$\begin{array}{lllll}\text { (d) } 10-12 \mathrm{~mm} & 5.7 \mathrm{~mm} & 2.3 \mathrm{~mm} & 120.170 \mathrm{~m}\end{array}$

Qudsiya Anis

Numerade Educator

Problem 19

Which of the following statements are false?
(i) Outer cortex and inner medulla are the two zonst kidney.
(ii) Medulla is divided into few renal pyramids.
(iii) Pyramid projects into calyx.
(iv) Inward extension of cortex between the pyraribo called renal column of Bertini.
(a) (i) and (iv)
(b) (ii) and (iv)
(c) (ii) and (iii)
(d) None of these

Qudsiya Anis

Numerade Educator

Problem 20

Given figured is of longitudinal section of kidney

Qudsiya Anis

Numerade Educator

Problem 21

Read the given statements and select the correct option.

Qudsiya Anis

Numerade Educator

Problem 22

Hath Column-I with Column-ll and select the correct option fom the codes given below. Column-I Column-ll
A. Delivers blood
(i) Ascending and
to glomerulus descending limbs
8. Carries urine to pelvis
(ii) Renal artery
C Collects filtrate from
(iii) Collecting duct
Bowman's capsule
D. Loop of Henle
(iv) PCT
(2) $\quad A \cdot(i i), B-(i i i), C-(i v), D-(i)$
(b) $A \cdot(i), B-(i i i), C-(i i), D-(i v)$
(d) $A \cdot(i i), B \cdot(i v), C-(i), D-(i i i)$
(o) $A \cdot(i v), B-(i i i), C-(i i), D-(i)$

Qudsiya Anis

Numerade Educator

Problem 23

The given figure represents the Malpighian body. Identify the labelled parts $A$ to $D$ and select the correct option.

Qudsiya Anis

Numerade Educator

Problem 24

Pick the odd ones in each of the following groups and select the correct option.
(i) Renal pelvis, Medullary pyramid, Renal cortex, Renal papilla
(ii) Afferent arteriole, Henle's loop, Vasa recta, Efferent arteriole
(iii) Glomerular filtration, Antidiuretic hormone, Hypertonic urine, Collecting duct
(iv) Proximal convoluted tubule, Distal convoluted tubule, Henle's loop, Renal corpuscle
(i)
(ii)
(iii)
(iv)
(a) Renal Henle's Collecting Distal convoluted pelvis loop duct tubule tubule
(b) Renal Afferent Antidiuretic Henle's loop papilla arteriole hormone
(c) Medullary Efferent Hypertonic Proximal pyramid arteriole urine convoluted tubule
(d) Renal Vasa recta Glomerular Renal corpuscle cortex $\quad$ filtration

Qudsiya Anis

Numerade Educator

Problem 25

Which of the following is the correct pathway for passage of urine in humans?
(a) Collecting tubule $\rightarrow$ Ureter $\rightarrow$ Bladder $\rightarrow$ Urethra
(b) Renal vein $\rightarrow$ Renal ureter $\rightarrow$ Bladder $\rightarrow$ Urethra
(c) Pelvis Medulla $\rightarrow$ Bladder $\rightarrow$ Urethra
(d) Cortex $\rightarrow$ Medulla $\rightarrow$ Bladder $\rightarrow$ Ureter

Qudsiya Anis

Numerade Educator

Problem 26

The dotted appearance of cortex of kidney is due to
(a) ducts of Bellini
(b) convoluted parts
(c) loop of Henle
(d) collecting tubes.

Qudsiya Anis

Numerade Educator

Problem 27

A notch present on the inner medial side of kidney is known as
(a) ureter
(b) pelvis
(c) hilus
(d) pyramid.

Qudsiya Anis

Numerade Educator

Problem 28

Columns of Bertini in the kidneys of mammals are formed as extensions of
(a) cortex in medulla
(b) cortex in pelvis
(c) medulla in pelvis
(d) pelvis in ureter.

Qudsiya Anis

Numerade Educator

Problem 29

Check back soon!

Problem 30

Check back soon!

Problem 31

Check back soon!

Problem 32

Check back soon!

Problem 33

All Bowman's capsules of the kidney are found in
(a) cortex
(b) petvis
(c) medulla
(d) none of these.

Qudsiya Anis

Numerade Educator

Problem 34

Podocytes are the cells present on
(a) outer wall of Bowman's capsule
(b) inner wall of Bowman's capsule
(c) neck of nephron
(d) wall of glomerular capillaries.

Qudsiya Anis

Numerade Educator

Problem 35

The longest loop of Henle is found in
(a) kangaroo rat
(b) opposum
(c) rhesus monkey
(d) porcupine.

Qudsiya Anis

Numerade Educator

Problem 36

The number of nephrons in a kidney is (al the number of Bowman's capsules
(b) the sum of Bowman's capsules bodies
(d) the sum of Bowman's capsules and
(d) double the number of Bowman's gond

Qudsiya Anis

Numerade Educator

Problem 37

A Malpighian body is constituted by
(a) glomerulus only
(b) glomerulus and Bowman's capsule
(d) glomerulus and efferent vessel
(d) glomerulus Bowman's capsule and effe,

Qudsiya Anis

Numerade Educator

Problem 38

Which of the following is not correct with kidney ?
(a) The peripheral region is called cortex called medulla. es
(b) Nalpighian corpuscles are present is region.
(c) Blood enters glomerulus through efiferer: a-i.
(d) The concave part of kidney is called hius

Qudsiya Anis

Numerade Educator

Problem 39

Which of the following statements is correc?
(a) Malpighian corpuscles and glomerulus Bowman's capsule.
(b) Renal corpuscle and glomerulus constitute We?og corpuscle.
(c) Bowman's corpuscles and Malpighian th. constitute the glomerulus.
(d) Bowman's capsule and glomerulus together crosi. renal corpuscle.

Qudsiya Anis

Numerade Educator

Problem 40

Excretion of potassium is governed primarily by
(a) potassium reabsorption in proximal cond.z tubule
(b) potassium secretion in proximal convoluted tobis
(c) potassium secretion in distal convoluted tubus
(d) potassium reabsorption in distal convoluted thek

Qudsiya Anis

Numerade Educator

Problem 41

Which of the following statements is correct?
(a) Water reabsorption in descending limb of loop offrex and collecting duct occur under similar conditios
(b) Sodium reabsorption in ascending limb of loop of 1 trik
(c) Water reabsorption in descending limb of loop of hei? and collecting duct occur under different conditios
(d) Water reabsorption in descending limb and sod: reabsorption in ascending limb of loop of Henle cos under similar conditions.

Qudsiya Anis

Numerade Educator

Problem 42

Lucas Finney

Numerade Educator

Problem 43

Lucas Finney

Numerade Educator

Problem 44

Lucas Finney

Numerade Educator

Problem 45

Whic one of the following is a correct pair showing the incion of a specific part of the human nephron?
(a) Podocytes: create minute spaces (slit pores) for the filtation of blood into the Bowman's capsule
(b) Henle's loop: most reabsorption of the major substances from the glomerular filtrate
(d) Distal convoluted tubule: reabsorption of $\mathrm{K}^{+}$ions into the surrounding blood capillaries
(d) Afferent arteriole : carries the blood away from the glomerulus towards renal vein

Qudsiya Anis

Numerade Educator

Problem 46

The given figure represents a single nephron. from a mammalian kidney. Identify the labelled parts, match them with the functions (i-iv) and select the correct option.

Qudsiya Anis

Numerade Educator

Problem 47

Effective filtration pressure in glomerulus is caused due to $-$
(a) powerful pumping action of the heart
(b) secretion of adrenaline
(c) afferent arteriole is slightly larger than efferent arteriole
(d) vacuum develops in proximal convoluted tubule and sucks the blood.

Qudsiya Anis

Numerade Educator

Problem 48

The maximum amount of electrolytes and water ( $70-80$ per cent) from the glomerular filtrate is reabsorbed in which part of the nephron?
(a) Ascending limb of loop of Henle
(b) Distal convoluted tubule
(c) Proximal convoluted tubule
(d) Descending limb of loop of Henle

Qudsiya Anis

Numerade Educator

Problem 49

A fall in glomerular filtration rate (GFR) activates
(a) juxtaglomerular cells to release renin
(b) adrenal cortex to release aldosterone
(c) adrenal medulla to release adrenaline
(d) posterior pituitary to release vasopressin.

Qudsiya Anis

Numerade Educator

Problem 50

Juxtaglomerular apparatus is made up of
(a) juxtaglomerular cell, macula densa and lacis cell.
(b) juxtaglomerular cell, Purkinje cell and chief cell
(c) juxtaglomerular cell, lacis cell and myoepithelial cell
(d) juxtaglomerular cell, macula densa and argentaffin cell.

Qudsiya Anis

Numerade Educator

Problem 51

Which of the following options has the correct pair of nephron parts that maintain pH and ionic balance of blood?
(a) Proximal convoluted tubule and Henle's loop
(b) Distal convoluted tubule and collecting duct
(c) Proximal convoluted tubule and glomerulus
(d) Collecting duct and Henle's loop

Qudsiya Anis

Numerade Educator

Problem 52

Which of the following statements are correct?
(i) Renal vein takes blood away from kidney.
(ii) Loop of Henle conserves water.
(iii) Podocytes occur in inner wall of Bowman's capsule.
(iv) Ultrafiltrate/nephric filtrate is plasma minus proteins.
(a) (i) and (ii)
(b) (i) and (iii)
(c) (iii) and (iv)
(d) (i), (ii), (iii) and (iv)

Qudsiya Anis

Numerade Educator

Problem 53

Read the given statements and identify the structure referred here.
(i) Reabsorption in this region is minimum.
(ii) This region plays a significant role in the maintenance of high osmolarity of interstitial fluid.
(iii) Its descending limb is permeable to water but almost impermeable to electrolytes.
(iv) Its ascending limb is impermeable to water but allows transport of electrolytes actively or passively.
(a) $\mathrm{PCT}$
(b) Loop of Henle
(c) $D C T$
(d) Bowman's capsule

Qudsiya Anis

Numerade Educator

Problem 54

Which of the following statements are correct?
(i) Reabsorption of water occurs passively in the initial segment of nephron.
(ii) Nitrogenous wastes are absorbed by passive transport.
(iii) Conditional reabsorption of $\mathrm{Na}^{+}$and water takes place in DCT.
(iv) DCT reabsorbs $\mathrm{HCO}_{3}^{-}$
(v) $\mathrm{DCT}$ is capable of selective secretion of $\mathrm{H}^{+}, K^{+}$and $\mathrm{NH}_{3}$ to maintain $\mathrm{pH}$ and $\mathrm{Na}^{+}-\mathrm{K}^{+}$balance in blood.
(vi) Substances like glucose, amino acids, $\mathrm{Na}^{+}$, etc in the filtrate are reabsorbed actively.
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iv) and (v)
(d) All of these

Qudsiya Anis

Numerade Educator

Problem 55

Which of the following statements is/are incorrect regarding the collecting duct?
(i) It extends from the cortex to medulla.
(ii) Large amount of water could be reabsorbed by it to produce concentrated urine.
(iii) Small amount of urea diffuses into it from the medulla to keep up the osmolarity. (iv) It plays a role in maintaining $\mathrm{pH}$ and ionic balance of blood by the selective secretion of $\mathrm{H}^{+}$and $\mathrm{K}^{+}$ions.
(a) Only (i)
(b) Only (iii)
(c) (ii) and (iii)
(d) (i) and (iv)

Qudsiya Anis

Numerade Educator

Problem 56

Which of the following is not a factor, responsible for maintaining high osmolarity of the renal medulla?
(i) Active transport of salt from the upper region of the ascending limb.

Qudsiya Anis

Numerade Educator

Problem 57

Select the correct option representing the that respectively absorb (i) alue
(iii) inorganic ions maximum.
(i)
(ii)
(a) DCT Descending limb
(iii) DCT
(iv) of loop of Henle $\quad$ DC
(b) DCT Descending limb $\mathrm{PCT}$ of loop of Henle (c) $\mathrm{PCT} \quad \mathrm{PCT}$
PCT Ascend:
(d) $\mathrm{PCT}$
$D C T$ of logn
The given fiqure sk
of

Qudsiya Anis

Numerade Educator

Problem 58

The given figure shows reabsorption and major substances at different parts of and sectel movement of which of the following substances depicted?

Qudsiya Anis

Numerade Educator

Problem 59

Of the total nephrons, juxtamedullary nephrons constis
(a) $15 \%$
(b) $45 \%$
(c) $65 \%$
(d) $85 \%$

Qudsiya Anis

Numerade Educator

Problem 60

Hippuric acid, creatinines and ketones are added to urine through

Qudsiya Anis

Numerade Educator

Problem 61

the net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is

Qudsiya Anis

Numerade Educator

Problem 62

which of the following is the correct sequence of processes involve in urine formation

Qudsiya Anis

Numerade Educator

Problem 63

which of the following is the correct sequence of processes involved in urine

Qudsiya Anis

Numerade Educator

Problem 64

Liquid which collects in the cavity of Bowman's capsule
(a) concentrated blood proteins and blood cells
(b) plasma Inilinos
(d) glycogen arlu
(d) sulphates

Qudsiya Anis

Numerade Educator

Problem 65

Natch Column-I with Column-ll and select the correct option from the codes given below.

Qudsiya Anis

Numerade Educator

Problem 66

Henle's loop were absent from mammalian nephron, which of the following is to be expected?

Qudsiya Anis

Numerade Educator

Problem 67

Which of the following is an incorrect match?
(a) Bowman's capsule - Glomerular filtration
(b) $\mathrm{DCT}$
- Absorption of glucose
(c) Henle's loop
- Concentration of urine
(d) $\mathrm{PCT}$
- Absorption of $\mathrm{Na}^{+}$and $\mathrm{K}^{+}$ions

Qudsiya Anis

Numerade Educator

Problem 68

Read the given statements and select the correct option. Statement 1 : The final reabsorption of water from the urine into the blood occurs through the collecting duct of a mammalian nephron resulting in the production of hyperosmotic urine. Statement $2:$ The loop of Henle creates a sodium gradient in the interstitial fluid.
(a) Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1 .
(b) Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1 .
(c) Statement 1 is correct and statement 2 is incorrect.
(d) Both statements 1 and 2 are incorrect.

Qudsiya Anis

Numerade Educator

Problem 69

The ability of producing concentrated (hypertonic) urine in vertebrates generally depends on
(a) area of Bowman's capsule epithelium
(b) length of the proximal convoluted tubule
(c) length of Henle's loop
(d) capillary network forming glomerulus.

Qudsiya Anis

Numerade Educator

Problem 70

Select the incorrect statement regarding mechanism of urine formation in man.
(a) The glomerular filtration rate is about $125 \mathrm{ml}$ per minute.
(b) The ultrafiltration is opposed by the colloidal osmotic pressure of plasma.
(c) Aldosterone induces greater reabsorption of sodium.
(d) The counter current system contributes in diluting the urine.

Qudsiya Anis

Numerade Educator

Problem 71

Read the given statements and select the correct option. Statement 1 : In the descending limb of loop of Henle, the urine is hypertonic, while in the ascending limb of loop of Henle, the urine becomes hypotonic. Statement $2:$ Descending limb is impermeable to $\mathrm{Na}^{+}$, while ascending limb is impermeable to $\mathrm{H}_{2} \mathrm{O}$.
(a) Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1 .
(b) Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement $1 .$
(c) Statement 1 is correct and statement 2 is incorrect.
(d) Both statements 1 and 2 are incorrect.

Qudsiya Anis

Numerade Educator

Problem 72

Lucas Finney

Numerade Educator

Problem 73

Lucas Finney

Numerade Educator

Problem 74

Which of the following sequences is correct?
(a) An increase in body fluid volume $\rightarrow$ Switch off the osmoreceptors $\rightarrow$ Suppresses the $A D H$ release
(b) $\mathrm{ADH} \rightarrow$ Constricting effect on blood vessel $\rightarrow$ B.P. high $\rightarrow$ Glomerular blood flow more $\rightarrow$ GFR more
(c) Angiotensinogen $\rightarrow$ Angiotensin $I \rightarrow$ Angiotensin II $\rightarrow$ Adrenal cortex $\rightarrow$ Aldosterone
(d) AH of these

Qudsiya Anis

Numerade Educator

Problem 75

Which one of the following statements is correct with respect to kidney function regulation?
(a) When someone drinks lot of water, ADH release is suppressed.
(b) Exposure to cold temperature stimulates ADH release.
(c) An increase in glomerular blood flow stimulates formation of angiotensin II.
(d) During summer when body loses lot of water by evaporation, the release of $A D H$ is suppressed.

Qudsiya Anis

Numerade Educator

Problem 76

The reabsorption of the sodium from oln regulated by the hormone
(a) glucagon
(b)
(c) aldosterone $\quad$ (id) Secretin
(d) adrenaline

Qudsiya Anis

Numerade Educator

Problem 77

Angiotensinogen is a protein peduced
(a) juxtaglomerular $(J)$ cells
(b) macula densa cells
(c) endothelial cells (cells lining the
(d) liver cells.

Qudsiya Anis

Numerade Educator

Problem 78

In urinary system, aldosterone (reabsorption) of
(a) $K^{+}$
(c) water
(b) $\mathrm{Na}^{+}$
(d) both (b) and fol

Qudsiya Anis

Numerade Educator

Problem 79

Consider the following statements blanks.
(i) The ascending limb of loop of Henle is inpent to (1) but allows transport of
(ii) (3) and (4) play a significant role concentrated urine.
(iii) A fall in glomerular blood flow/glomerulat bi pressure/GFR can activate the JG cells to relesge Which one of the following options in any two of the statements?
(a) (1)-water, (2)-electrolytes, (5)-renin
(b) (3)-Henle's loop, (4)-vasa recta, (5)-angiotenoir
(c) (1)-electrolytes, (2)-water, (3)-PCT, (4)-DCT
(d) (3)-Henle's loop, (4)-vasa recta, (5)-angiotersmye The function of renin is
(a) stimulation of corpus luteum
(b) vasodilation
'c) to reduce blood pressure
d) conversion of angiotensinogen to angiotensint

Qudsiya Anis

Numerade Educator

Problem 80

The function of renin is
(a) stimulation of corpus luteum
(b) vasodilation
(c) to reduce blood pressure
(d) conversion of angiotensinogen to angiotensin-l

Qudsiya Anis

Numerade Educator

Problem 81

What will happen if the stretch receptors of the un? bladder wall are totally removed?
(a) There will be no voluntary control over mictuntion
(b) Urine will continue to collect normally in the badx
(c) There will be no micturition.
(d) Urine will collect in urethra.

Qudsiya Anis

Numerade Educator

Problem 82

Which one of the following is correct for a normal hiry?
(a) $\mathrm{pH}$ of urine is around 8 .
(b) On an average, $75-80 \mathrm{mg}$ of urea is exceted ris vit per day.
(c) Presence of ketone bodies in urine is an indicat $\delta$ diabetes mellitus.
(d) Relaxation of smooth muscles of bladder and simutsats contraction of urethral sphincter causes release of unit

Qudsiya Anis

Numerade Educator

Problem 83

Lucas Finney

Numerade Educator

Problem 84

Check back soon!

Problem 85

Consider the following four statements (i) - (iv) and select te option that correctly identifies the true (T) and false (F)
oner

Qudsiya Anis

Numerade Educator

Problem 86

A person who is not taking food or beverages will have in urine.
(a) little glucose $\quad$ (b) less urea
1d excess urea
(d) little fat

Qudsiya Anis

Numerade Educator

Problem 87

The yellow colour of urine is due to the presence of
(a) urea
(b) uric acid
(c) urochrome
(d) bilirubln.

Qudsiya Anis

Numerade Educator

Problem 88

Match Column-I with Column-II and select the correct option from the codes given below.

Qudsiya Anis

Numerade Educator

Problem 89

Consider the following four statements (i-iv) and select the option that correctly identifies the true (T) and false
(F) ones.

Qudsiya Anis

Numerade Educator

Problem 90

Which of the following statements are correct?
(i) Glucose has high threshold value.
(ii) Urine is concentrated in Henle's loop.
(iii) Haemodialyser removes urea, uric acid, glucose and plasma proteins.
(iv) In glomerulus, urea, uric acid, water, glucose and plasma proteins are filtered out.
(a) (i), (iii) and (iv)
(b) (ii), (iii) and (iv)
(c) (i) and (ii)
(d) (i) and (iii)

Qudsiya Anis

Numerade Educator

Problem 91

An X-ray of the lower abdomen shows a shadow in the region of the ureter suspected to be an ureteric calculus. A possible clinical symptom would be
(a) acute renal failure (ARF)
(b) anuria and haematuria
(c) motor aphasia
(d) chronic renal failure (CRF).

Qudsiya Anis

Numerade Educator

Problem 92

In peritoneal dialysis
(a) the blood is removed from the body and a natural filter is used
(b) the blood is not removed from the body and a natural filter is used
(c) the blood is not removed from the body and an artificial filter is used
(d) the blood is removed from the body and an artificial filter is used

Qudsiya Anis

Numerade Educator

Problem 93

Read the given statements regarding human excretory system and select the correct ones.
(i) Presence of glucose in urine is known as uremia.
(ii) Distal convoluted tubule (DCT) selectively secretes hydrogen ions, ammonia and potassium ions into the filtrate.
(iii) Macula densa formed by cellular modifications in the their contact location.
(iv) Atrial natriuretic factor (ANF) can cause vasoconstriction when blood flow is low to the atria of the heart.
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (iii) and (iv)

Qudsiya Anis

Numerade Educator

Problem 94

M a t c h ~ C o l u m n - I ~ w i t h ~ C o l u m n - l l ~ a n d ~ s e l e c t ~ t h e ~ c o r r e c t ~
option from the codes given below. Column-I Column-ll
A. Uremia
(i) Ketone bodies in urine
B. Ketonuria
(ii) Artificial kidney
C. Glycosuria
(iii) Glucose in urine
De Blood dialyser
(iv) Accumulation of urea in blood

Qudsiya Anis

Numerade Educator

Problem 95

Which. one of the following is correct haemodialysis?
(a) Absorbs and resends excess of ions
(b) The dialysis unit has a coiled cellophane?
(c) Blood is pumped back through a suithe tuse haemodialysis
(d) Nitrogenous wastes are removed h

Qudsiya Anis

Numerade Educator

Problem 96

What will happen if one kidney is removed f of a human being?
(a) Death due to poisoning
(b) Uremia and death
(c) Stoppage of urination
(d) The person will survive

Qudsiya Anis

Numerade Educator

Problem 97

Diuresis is the condition in which
(a) the excretory volume of urine increases
(b) the excretory volume of urine decreases
(c) the kidneys fail to excrete urine
(d) the water balance of the body is disturbed

Qudsiya Anis

Numerade Educator

Problem 98

Glycosuria is the condition, where a man
(a) eats more sugar
(b) excretes sugar in urine
(c) sugar is excreted in faeces
(d) has low sugar level in blood.

Qudsiya Anis

Numerade Educator

Problem 99

Which one of the following is not normally excreted in one?
(a) Uric acid
(b) Haemoglobin
(c) Ketone bodies
(d) Hippuric acid

Qudsiya Anis

Numerade Educator

Problem 100

A person is undergoing prolonged fasting. His urine wold contain abnormal quantities of
(a) fats
(b) amino acids
(c) glucose
(d) ketones.

Qudsiya Anis

Numerade Educator