NCERT CLASS 11 | TOPIC : EXCRETORY PRODUCTS AND THEIR ELIMINATION | QB-2 | NEET BIOLOGY ONLINE TEST ~ Kalvisolai Online Test

NCERT CLASS 11 | TOPIC : EXCRETORY PRODUCTS AND THEIR ELIMINATION | QB-1 | NEET BIOLOGY ONLINE TEST

It contains 78 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : www.onlinetest.kalvisolai.com

1 ➤ 101. Which one of the following groups of structures/organs have similar function?

(a) Typhlosole in earthworm, intestinal villi in rat and contractile vacuole in Amoeba. (b) Nephridia in earthworm, Malpighian tubules in cockroach and urinary tubules in rat. (c) Antennae of cockroach, tympanum of frog and clitellum of earthworm. (d) Incisors of rat, gizzard (proventriculus) of cockroach and tube feet of starfish.

2 ➤ 102. Ducts of Bellini are present in

(a) Liver (b) Kidney (c) Intestine (d) Medulla oblongata

3 ➤ 103. The human kidney produces how much concentrated urine than the initial filtrate formed?

(a) 2 times (b) 4 times (c) 6 times (d) 3 times

4 ➤ 104. What is the ratio of concentration of outer medulla to outer portion of inner medulla?

(a) 1/3 (b) 2/3 (c) 4/3 (d) 1/4

5 ➤ 105. The functioning of kidney is regulated by

(a) Hypothalamus (b) JGA (c) Heart (d) All of these

6 ➤ 106. ADH causes

(a) Increased water absorption from DCT and CT (b) Increased GFR by increasing blood pressure (c) Increases reabsorption of electrolyte from distal tubules (d) All of these

7 ➤ 107. Arrange the following steps in order (1) Excessive loss of fluid(2) Stimulation of osmoreceptor(3) Stimulation of Hypothalamus(4) Release of ADH or Vasopressin(5) ADH facilitate water reabsorption from distal tubules(6) Increase in body fluid switch off osmoreceptor and suppress the release of ADH.

(a) 1, 2, 3, 4, 5, 6 (b) 1, 3, 2, 4, 5, 6 (c) 6, 1, 2, 3, 4, 5 (d) 2, 3, 4, 1, 5, 6

8 ➤ 108. Stimulus for activation of JG cells to release rennin is/are

(a) ↓ Glomerular blood flow (b) ↓ Glomerular blood pressure (c) ↓ GFR (d) All of these

9 ➤ 109. RAAS involve

(a) JGA apparatus (b) Angiotensinogen (c) Adrenal cortex (d) All of these

10 ➤ 110. Select the incorrect from the following:

(a) 2, 3 (b) 1, 3 (c) 4 (d) 5, 6

11 ➤ 111. Increase in blood pressure is caused by

(a) ↑es ADH secretion (b) ↑es Aldosterone secretion (c) ↑es Angiotensinogen II (d) All of these

12 ➤ 112. Which of the following is true about ANF?

(a) Full form is Autonomic Nervous Factor (b) Antagonistic to Renin–Angiotensin mechanism (c) It causes vasoconstriction (d) All are true

13 ➤ 113. Find the correct steps for micturition (arrange in order).(A) Urine filled in urinary bladder(B) Stretch–receptor activation(C) Wall of bladder send signal to CNS(D) Motor message from CNS to urinary bladder and urethral sphincter(E) Bladder contracts and sphincter dilates leads to micturition

(a) A → B → C → D → E (b) C → B → A → D → E (c) B → A → C → D → E (d) A → B → C → E → D

14 ➤ 114. Neural mechanism of micturition is called

(a) Micturition reflex (b) Simple reflex (c) Conditioned reflex (d) All of these

15 ➤ 115. An adult human excretes how much urine per day?

(a) 1–1.5 litre (b) 1.5–2 litre (c) 5–1 litre (d) 3 litre

16 ➤ 116. On an average _________ of urea is excreted out per day

(a) 20–25 gm (b) 25–30 gm (c) 25–30 mg (d) 40–45 gm

17 ➤ 117. Analysis of urine help in the clinical diagnosis of

(a) Metabolic disorders (b) Malfunctioning of kidney (c) Diabetes mellitus (d) All of these

18 ➤ 118. Select the correct matching:

(a) [Colour] Light yellow [pH] 7.0 [Odour] Characteristic (b) [Colour] Light yellow [pH] 6.0 [Odour] Characteristic (c) [Colour] Light yellow [pH] 6.5 [Odour] Pungent (d) [Colour] Light yellow [pH] 6.0 [Odour] Almond

19 ➤ 119. Presence of glucose and ketone bodies in urine is called

(a) Glycosuria and ketonuria (b) Glycogenic and ketonuria (c) Glycosuria and ketonemia (d) Gluconeogenesis and ketonaemia

20 ➤ 120. Glycosuria and ketonuria is indicative of

(a) Starvation (b) Diabetes mellitus (c) Diabetes insipidus (d) All of these

21 ➤ 121. Sweat contains

(a) Watery fluid with NaCl (b) Urea (c) Lactic acid (d) All of these

22 ➤ 122. Primary function of sweat is

(a) Removal of excess of water (b) Removal of urea (c) Cooling of body surface (d) All of these

23 ➤ 123. Nitrogenous waste is eliminated through

(a) Kidney (b) Saliva (c) Sweat gland (d) All of these

24 ➤ 124. Sterols, hydrocarbons and waxes are eliminated through

(a) Liver (b) Lungs (c) Sebaceous glands (d) Sweat glands

25 ➤ 125. Select the incorrect statement from the following.

(a) Liver is the second largest gland in our body. (b) Sebum provides protective oily covering for skin. (c) Bile contains substance like bilirubin, biliverdin, cholesterol, degraded steroid hormones,vitamins and drugs are passed with digestive wastes. (d) Other than kidneys lungs, liver and skin also helps in the elimination of excretory wastes.

26 ➤ 126. Which is not a part of renal tubule?

(a) PCT (b) Bowman’s capsule (c) DCT (d) Collecting duct

27 ➤ 127. Select the total number of excretory organ from the following found in various animals : Protonephridia, SA node, nephridia, Hepatic Cecae, atrium, Malpighian tubules, green glands, kidney, pons, ommatidia, parapodia

(a) 4 (b) 5 (c) 6 (d) 7

28 ➤ 128. Excretory organs help in

(a) Excretion only (b) Maintenance of acid–base balance (c) Maintenance of ionic balance (d) All of these

29 ➤ 129. Our lung removes how much of CO2 per hour from the body

(a) 10 L (b) 20 L (c) 18 L (d) 2 L

30 ➤ 130. Inflammation of glomeruli of kidney is

(a) Renal failure (b) Renal calculi (c) Glomerulonephritis (d) Cystitis

31 ➤ 131. Stone and insoluble mass of crystallized salts, formed within the kidney is generally made up of

(a) Calcium carbonate (b) Calcium oxalate (c) Silica (d) Any of these

32 ➤ 132. Which is the ultimate method for the correction of acute renal failure?

(a) Haemodialysis (b) Renal transplantation (c) Blood transfusion (D) Angioplasty

33 ➤ 133. Following are the steps of dialysis:A. Blood is passed into a vein.B. Blood is mixed with heparin.C. Blood is mixed with anti-heparin.D. Blood is drained from convenient artery.E. Blood is passed through a coiled and porous cellophane tube bathing in dialysis fluid.F. Removal of nitrogenous wastes from blood.The correct sequence of steps is

(a) A → B → C → D → E → F (b) D → B → E → F → C → A (c) F → C → E → B → A → D (d) D → C → E → F → B → A

34 ➤ 134. Malfunctioning of kidney may lead to the accumulation of _______ in blood.

(a) Glucose (b) Amino acid (c) Urea (d) All of these

35 ➤ 135. Which of the following is true about renal transplantation?

(a) Kidney transplantation is the ultimate method at the stage where drug or dialysis do not help. (b) Immunosuppressive agent are used in kidney transplant patient. (c) Close relatives are often used as kidney donors to minimise the risk of rejection. (d) All the above

36 ➤ 136. In the diagram of excretory system of human beings given below, different parts have been indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts which they represent.

(a) A–Kidney, B–Abdominal aorta, C–Ureters, D–Urinary bladder, E–Urethra,F–Renal pelvis (b) A–Kidney, B–Abdominal aorta, C–Urethra, D–Urinary bladder, E–Ureters,F–Renal pelvis (c) A–Kidney, B–Renal pelvis, C–Urethra, D–Urinary bladder, E–Ureters,F–Abdominal aorta (d) A–Kidney, B–Abdominal aorta, C–Urethra, D–Urinary bladder, E–Renal pelvis,F–Ureters

37 ➤ 137. Match the excretory functions of section I with the parts of the excretory system in section II.
(i) Ultrafiltration – (a) Henle’s loop
(ii) Concentration of urine – (b) Ureter
(iii) Transport of urine – (c) Urinary bladder
(iv) Storage of urine – (d) Malpighian corpuscles
(e) Proximal convoluted tubules

(a) (i)–(d), (ii)–(a), (iii)–(b), (iv)–(c) (b) (i)–(d), (ii)–(c), (iii)–(b), (iv)–(a) (c) (i)–(e), (ii)–(d), (iii)–(a), (iv)–(c) (d) (i)–(e), (ii)–(d), (iii)–(a), (iv)–(b)

38 ➤ 138. Observe the following figure.

A) B) C) D)

39 ➤ 139. Go through the following figure :

A) B) C) D)

40 ➤ 140. Match the following :

(a) A–Proximal convoluted tubule, B–Afferent arteriole, C–Vasa recta, D–Bowman’s capsule,E–Henle’s loop (b) A–Henle’s loop, B–Vasa recta, C–Proximal convoluted tubule, D–Bowman’s capsule,E–Afferent arteriole (c) A–Bowman’s capsule, B–Henle’s loop, C–Proximal convoluted tubule, D–Vasa recta,E–Afferent arteriole (d) A–Vasa recta, B–Proximal convoluted tubule, C–Bowman’s capsule, D–Afferent arteriole,E–Henle’s loop

41 ➤ 141. The following diagram represents the Malpighian body. Identify A to D.

(a) A–Efferent arteriole, B–Afferent arteriole, C–Bowman’s capsule, D–DCT (b) A–Afferent arteriole, A–Efferent arteriole, C–Renal corpuscle, D–Proximal convoluted tubule (c) A–Efferent arteriole, B–Bowman’s capsule, C– Afferent arteriole, D–PCT (d) A–Afferent arteriole, B–Efferent arteriole, C–Bowman’s capsule, D–DCT

42 ➤ 142. The diagram following the different parts absorb:

(a) A–Urea, B–Thick segment of ascending limb, D–Descending limb of loop of Henle (b) A–Descending limb of loop of Henle, B–Thick segment of ascending limb, D–Urea (c) A–Thick segment of ascending limb, B–Descending limb of loop of Henle, D–Urea (d) A–Thick segment of ascending limb, B–Thick segment of ascending limb, D–Urea

43 ➤ 143. Nephron produces how much concentrated urine?

(a) 4 times (b) 5 times (c) 3 times (d) 2 times

44 ➤ 144. Glomerulus is formed by the branching of

(a) A (b) B (c) C (d) D

45 ➤ 145. The part ‘B’ in the above diagram is lined with

(a) Cuboidal epithelium (b) Columnar epithelium (c) Squamous epithelium (d) Brush border epithelium

46 ➤ 146. Which part of the above diagram is lined with podocytes?

A) B) C) D)

47 ➤ 147. B part of the above diagram contains

(a) PCT (b) DCT (c) HL (d) Blood Vessels

48 ➤ 148. In which part of the diagram calyces opens.

A) B) C) D)

49 ➤ 149. In the below diagram, identify the end excretory product which remains in body to maintain concentration of medullary interstitium?

(a) F (b) G (c) A (d) E

50 ➤ 150. Assertion: Diabetes insipidus is marked by excessive urination and too much thirst for water.
Reason: Anti-diuretic hormone (ADH) is secreted by the posterior lobe of pituitary gland.

(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false.

51 ➤ 151. Assertion: Filteration is a selective process performed by the glomerulus using the glomerular capillary blood pressure.
Reason: Blood is filtered through fine pores present in PCT.

52 ➤ 152. Assertion: The antidiuretic hormone increases the water permeability of distal convoluted tubule.
Reason: In the absence of ADH, water re-absorption is considerably reduced.

53 ➤ 153. Assertion: Presence of glucose and ketone bodies in urine are indicative of diabetes mellitus.
Reason: Malfunctioning of kidney can lead to accumulation of urea in blood a condition called uremia.

54 ➤ 154. Assertion: In the descending limb of loop of Henle, the urine is hypertonic, while in ascending limb of loop of Henle, the urine is Hypotonic.
Reason: Descending limb is impermeable to Na+, while ascending limb is impermeable to H2O.

55 ➤ 155. Assertion: Vasa recta is absent or highely reduced in cortical nephrons.
Reason: PCT and DCT are situated in cortical region of kidney.

56 ➤ 156. Assertion: Ammonia is the excretory product of aquatic amphibian.
Reason: Ammonia is readily soluble in water and requires large amount of water for excretion.

57 ➤ 157. Assertion: Urinary bladder and ureters are lined by transitional epithelium.
Reason: Ureters carry the urine to urinary bladder where it is stored temporarily.

58 ➤ 158. Assertion: Kidneys maintain the osmotic concentration of the blood.
Reason: Kidneys eliminate either hypotonic or hypertonic urine according to the need of the body.

59 ➤ 159. Assertion: In vertebrates, the liver is also referred as an accessory excretory organ.
Reason: Liver helps kidneys in the secretion of urine.

60 ➤ 160. Assertion: Sharks are said to be ammonotelic animals.
Reason: Sharks can retain considerable amounts of ammonia in their blood.

61 ➤ 161. Assertion: The glomerular filtrate resembles the protein free plasma in composition and osmotic pressure.
Reason: The glomerular capillary wall and inner membrance of Bowman’s capsule are impermeable to large molecules.

62 ➤ 162. Assertion: PCT reabsorbs nearly all essential nutrients and 70 to 80 per cent of the electrolyte and water from filterate. Reason: PCT is lined with brush border epithelium.

63 ➤ 163. Assertion: Counter-current mechanism is responsible for the concentration of urine.
Reason: Counter-current mechanism helps to maintain the concentration gradient in the medullary interstitium.

64 ➤ 164. Assertion: Aldosterone leads to the increase in blood pressure.
Reason: Aldosterone causes reabsorbtion of sodium ion and water from distal part of tubules.

65 ➤ 165. Assertion: Some amount of urea is retain in medullary interstitium. Reason: This is use to maintain require concentration in medullary interstitium.

66 ➤ 166. Assertion: Urine produced (1 to 1.5 L) per day is far less than the volume of filtrate occur per day (18L). Reason: 99% of filtrate is reabsorbed by the renal tubules.

67 ➤ 167. Assertion: Uraemia is harmful condition. Reason: Uraemia may lead to kidney failure.

68 ➤ 168. Assertion: Renal tubules use to maintain ionic balance and pH of body fluids. Reason: H+, K+ and NH3 could be secreted into filtrate by renal tubules.

69 ➤ 169. Assertion: ANF decreases blood pressure.
Reason: ANF causes vasodilation.

70 ➤ 170. Assertion: ADH increases GFR.
Reason: ADH cause vasoconstriction thus increase blood pressure, which inturn increase the glomerular blood flow and there by GFR.

71 ➤ 171. Assertion: Nephridia help in osmoregulation in earthworm.
Reason: Nephridia maintain fluid and ionic balance in earthworm.

72 ➤ 172. Assertion: Antennal glands perform the excretory function in prawns.
Reason: Malpighian tubules are present in crustacean for osmoregulation.

73 ➤ 173. Assertion: Glomerular filtration is considered as ultrafilteration.
Reason: Blood is filtered so finely through filtration membrane that almost all the constituent of the plasma except the proteins pass onto the lumen of Bowman ’s capsule.

74 ➤ 174. Assertion: Nitrogenous waste in PCT absorb passively.
Reason: It absorb by the process of diffusion down the concentration gradient.

75 ➤ 175. Assertion: Uricotelism is terrestrial adaptation.
Reason: Uricotelism is least toxic and require minimum water for its excretion.

76 ➤ 176. Assertion: Micturition in human is completely an endocrine mechanism.
Reason: Micturition reflex is endocrine reflex completely.

77 ➤ 177. Assertion: Diabetes mellitus can be diagnosed by urine analysis
Reason: Glucose appear in urine in diabetes mellitus condition termed as glycosuria .

78 ➤ 178. Assertion: Most of the secretion of liver is pass out along with faecal matter.
Reason: Bile juice is secreted in digestive tract.

Your Score is

Kalvisolai Online Test