Average amount of carbohydrate in urine

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NEET • BIOLOGY • EXCRETORY PRODUCTS AND THEIR ELIMINATION

Excretory products and their elimination practice · Mixed difficulty

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151 Medium

151 of 269

Understanding +4 | -1

I. Ureter, II. Renal pelvis, III. Calyx, IV. Urinary bladder, V. Urethra
Choose the correct sequence of urine route to outside

View answer and explanation

Correct option: D

\mathrm{III} \to \mathrm{II} \to \mathrm{I} \to \mathrm{IV} \to \mathrm{V}

Option D (

\mathrm{III} \to \mathrm{II} \to \mathrm{I} \to \mathrm{IV} \to \mathrm{V}

) is correct because it represents the correct order of urine flow: Calyx → Renal pelvis → Ureter → Urinary bladder → Urethra.

152 Easy

152 of 269

Remembering +4 | -1

Filtration slits or slit pores are spaces maintained by

View answer and explanation

Correct option: D

Podocytes in visceral layer of Bowman's capsule

Option D is correct because filtration slits are formed by podocytes located in the visceral layer of Bowman's capsule.

153 Medium

153 of 269

Analyzing +4 | -1

Assertion (A): Conditional reabsorption of

N{a^ + }

and water takes place in Distal Convoluted Tubule (DCT).
Reason (R): The DCT allows passive absorption of

N{a^ + }

and active absorption of

C{l^ - }

along with water.

View answer and explanation

Correct option: C

If A is true, but R is false

Option C (If A is true, but R is false) is correct because conditional reabsorption of

Na^+

and water does occur in the DCT, but the DCT does not allow passive absorption of

Na^+

and active absorption of

Cl^-

along with water.

154 Hard

154 of 269

Understanding +4 | -1

Which of the following set of structures are not parts of renal tubule?

View answer and explanation

Correct option: D

Glomerulus and Collecting duct

Option D (Glomerulus and Collecting duct) is correct because the glomerulus is a capillary network involved in filtration, and the collecting duct is part of the collecting system, not the renal tubule itself.

155 Medium

155 of 269

Remembering +4 | -1

Sweat produced by sweat glands is a watery fluid which contain

View answer and explanation

Correct option: D

All of the above

Option D (All of the above) is correct because sweat contains NaCl, urea, and lactic acid.

156 Easy

156 of 269

Remembering +4 | -1

Proximal and distal convoluted tubules are parts of

View answer and explanation

Correct option: B

Nephron

Option B is correct because the proximal and distal convoluted tubules are integral parts of the nephron.

157 Medium

157 of 269

Understanding +4 | -1

I. ADH,   II. Renin-angiotensin,  III. ANF,   IV. Counter – current mechanism.  Choose the option  which regulates the osmoregulation of body fluids?

View answer and explanation

Correct option: D

All of the above

Option D (All of the above) is correct because ADH, the Renin-angiotensin system, ANF, and the counter-current mechanism all play significant roles in regulating the osmolality and volume of body fluids.

158 Hard

158 of 269

Remembering +4 | -1

The production of uric acid is enhanced by the excessive metabolism of

View answer and explanation

Correct option: B

Nucleic acid

Option B (Nucleic acid) is correct because the metabolism of nucleic acids produces purines and pyrimidines, which are broken down into uric acid.

159 Medium

159 of 269

Remembering +4 | -1

In juxta-medullary nephrons,

View answer and explanation

Correct option: D

All of the above

Option D (All of the above) is correct because juxta-medullary nephrons have a prominent vasa recta, a long loop of Henle, and the loop of Henle extends deep into the medulla, all contributing to efficient urine concentration.

160 Medium

160 of 269

Understanding +4 | -1

During hemodialysis process:  I. blood drained from a convenient artery and anticoagulant is added (heparin,  II. removal of nitrogenous waste from blood,  III. blood is passed through a coiled porous cellophane membrane of tube bathing in dialysis fluid, IV. blood is mixed with antiheparin and passed into vein.   Arrange the steps

View answer and explanation

Correct option: C

I→III→II→IV

Option C (I→III→II→IV) is correct because this is the correct sequence of steps in the hemodialysis process.

161 Easy

161 of 269

Remembering +4 | -1

Choose the correct order of urine formation in human

View answer and explanation

Correct option: C

PCT → DLH → ALH → DCT → CD

Option C (PCT → DLH → ALH → DCT → CD) is correct because it represents the correct sequence of urine flow through the nephron.

162 Hard

162 of 269

Understanding +4 | -1

Which of the following hormone/enzyme is/are correctly paired with its function?
(i) Renin – Enzyme that catalyses the formation of angiotensin I.
(ii) Aldosterone – Regulates water reabsorption at the distal convoluted tubule.
(iii) Anti-diuretic hormone (ADH) – It is a powerful vasoconstrictor that stimulates the secretion of aldosterone.
(iv) Angiotensin II – Promotes reabsorption of sodium at distal convoluted tubule.

View answer and explanation

Correct option: A

Only (i)

The correct answer is A (Only (i)) because only the statement about Renin is correctly paired with its function. The other statements contain inaccuracies.

163 Easy

163 of 269

Remembering +4 | -1

The excretory organ in crustaceans, like prawns is

View answer and explanation

Correct option: A

Antennal glands

Option A (Antennal glands) is correct because antennal glands (also known as green glands) are the excretory organs found in crustaceans like prawns.

164 Medium

164 of 269

Remembering +4 | -1

The vital morphological and physiological units of mammalian kidney are

View answer and explanation

Correct option: B

Uriniferous tubule

Option B (Uriniferous tubule) is correct because the uriniferous tubule (nephron + collecting duct) is the functional unit of the mammalian kidney responsible for urine formation.

165 Easy

165 of 269

Remembering +4 | -1

What is glycosuria?

View answer and explanation

Correct option: D

High amount of sugar in urine

Option D is correct because glycosuria is defined as a high amount of sugar (glucose) in the urine.

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166 Medium

166 of 269

Understanding +4 | -1

Which one of the following statements in regard to the excretion by the human kidneys is correct?

View answer and explanation

Correct option: C

Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules

Option C is correct because approximately 99% of the glomerular filtrate is reabsorbed by the renal tubules, ensuring that essential substances and water are returned to the bloodstream.

167 Easy

167 of 269

Remembering +4 | -1

Which of the following are secreted by liver?
I. Bilirubin
II. Biliverdin
III. Cholesterol
IV. Degraded steroid hormone
V. Vitamin
VI. Drug
Choose the correct option

View answer and explanation

Correct option: D

I, II, III, IV, V and VI

Option D (I, II, III, IV, V and VI) is correct because the liver secretes all listed substances: bilirubin, biliverdin, cholesterol, degraded steroid hormones, vitamins, and drugs.

168 Hard

168 of 269

Understanding +4 | -1

[A]: Oxygenator acts as artificial kidney.

[R]: Oxygenator machine completely takes over the functions of heart as well as lung.

View answer and explanation

Correct option: D

Both A and R are false

Option D is correct. An oxygenator acts as an artificial lung, not kidney, and doesn't completely take over heart functions.

169 Easy

169 of 269

Understanding +4 | -1

Among ammonia, uric acid and urea, which one is the most soluble?

View answer and explanation

Correct option: A

Ammonia

Option A (Ammonia) is correct because ammonia is highly soluble in water due to its small size and polarity.

170 Medium

170 of 269

Remembering +4 | -1

In human, the waste products of nucleotide metabolism are excreted as

View answer and explanation

Correct option: B

Uric acid

Option B (Uric acid) is correct because the breakdown of nucleotides (components of DNA and RNA) results in the production of uric acid as a waste product in humans.

171 Medium

171 of 269

Remembering +4 | -1

Which of the following is not
“autoexcitable”?

View answer and explanation

Correct option: D

ANF

Option D (ANF) is correct because ANF (Atrial Natriuretic Factor) is a hormone, not an autoexcitable tissue like the SAN, AVN, and AV bundle.

172 Medium

172 of 269

Analyzing +4 | -1

When a person is suffering from poor renal reabsorption, which one of the following will not help in maintenance of blood volume?

View answer and explanation

Correct option: C

Increased arterial pressure in kidneys.

Option C (Increased arterial pressure in kidneys) is correct because increased arterial pressure would worsen poor renal reabsorption by increasing glomerular filtration rate and fluid loss.

173 Hard

173 of 269

Remembering +4 | -1

Which of the following are about 90% absorbed in the nephron?

View answer and explanation

Correct option: A

Glucose and amino acids - Active process

Option A (Glucose and amino acids - Active process) is correct because glucose and amino acids are reabsorbed via active transport mechanisms in the proximal convoluted tubule.

174 Medium

174 of 269

Analyzing +4 | -1

Assertion: An increase in glomerular blood pressure can activate the JG cells of kidney to release renin

Reason: Angiotensin- II is a powerful vasoconstrictor.

View answer and explanation

Correct option: D

Assertion is false but reason is true.

Option D is correct because the assertion is false (decreased blood pressure activates JG cells) and the reason is true (Angiotensin-II is a vasoconstrictor).

175 Easy

175 of 269

Remembering +4 | -1

Acceossory excretory organs are I. skin II. lungs III. liver IV. sebaceous gland.   Choose the correct option

View answer and explanation

Correct option: D

I, II, III and IV

Option D is correct because skin, lungs, liver, and sebaceous glands all play a role in excretion, supplementing the kidneys.

176 Medium

176 of 269

Remembering +4 | -1

Glomerular Filtration is a

View answer and explanation

Correct option: C

Non energy consuming process

Option C (Non energy consuming process) is correct because glomerular filtration is primarily driven by pressure gradients and does not directly require cellular energy expenditure.

177 Medium

177 of 269

Remembering +4 | -1

Collecting duct of nephron extends in kidney from cortex to

View answer and explanation

Correct option: B

Inner part of medulla

Option B is correct because the collecting duct extends from the cortex through the medulla to the inner part of the medulla.

178 Easy

178 of 269

Understanding +4 | -1

Main function of DCT of nephron is to maintain the

View answer and explanation

Correct option: C

Both (a) and (b)

Option C (Both (a) and (b)) is correct because the DCT plays a crucial role in maintaining both pH and Na-K balance in the blood.

179 Hard

179 of 269

Understanding +4 | -1

[A]: Homeostasis is the maintenance of a stable internal environment.

[R]: Homeostasis involves the coordination of cells, tissues and organ systems.

View answer and explanation

Correct option: B

Both A and R are true and R is not the correct explanation of A

Option B (Both A and R are true and R is not the correct explanation of A) is correct because both the assertion and reason are true, but the reason doesn't directly explain the assertion. Homeostasis is maintained by multiple organ systems working together, but the coordination is not the *only* reason for homeostasis.

180 Hard

180 of 269

Understanding +4 | -1

What is true of urea biosynthesis?

View answer and explanation

Correct option: C

Urea cycle enzymes are located inside mitochondria

Option C (Urea cycle enzymes are located inside mitochondria) is correct because the urea cycle, which synthesizes urea, occurs within the mitochondria and cytoplasm of liver cells.

Revision notes and key takeaways

Review EXCRETORY PRODUCTS AND THEIR ELIMINATION in your textbook or class notes, then use this set to check your understanding.

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