InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
Write down the role of kidney in the removal of ammonia. |
| Answer» Kidneys do not play any significant role in the removal of ammonia. | |
| 402. |
Read the following statements and find out the incorrect statements. (a) Kidney plays very significant role in the removal of `NH_(3)` (b) Terrestial adaptation necessitated the production of more toxic nitrogenous wastes like urea and uric acid for conservation of water . (c) Some amount of urea may be retained in the kidney matrix of some of the ureotelic animals to maintain a desired osmolarity. (d) Uricotelic animals excrete nitrogenous wastes as uric acid in the form of pellet or paste with a minimum loss of water .A. a and bB. b and cC. c and dD. a and d |
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Answer» Correct Answer - A a. Kidney do not play any significant role in the removal of `NH_(3)` b. Terrestrial adaptation necessiated the production of less toxic nitrogenous wastes like urea and uric acid for conservation of water. Â |
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| 403. |
Henle’s loop plays an important role in concentrating the urine. |
| Answer» Correct Answer - True | |
| 404. |
The process used in separating large particles from smaller ones in a solution is calledA. chromatographyB. dialysisC. Osmosis D. tyndallisation |
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Answer» Correct Answer - B Malpighian tubules remove excertory producets from Haemolymph. |
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| 405. |
A fall in GFR can activate the juxta glomerular cells to release_____ |
| Answer» Correct Answer - Renin | |
| 406. |
Glomerular hydrostatic hydrostatic pressure is present inA.  Tubule of kidneyB. Glomerulus of urinary tubuleC. Malpighian tubuleD. Bowman’s capsule |
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Answer» Correct Answer - B Glomerular hydrostatic pressure is present in Glomerulus of urinary tubule. |
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| 407. |
The macula densa is a part of theA. proximal convoluted tubuleB. afferent arterioleC. distal convoluted tubuleD. efferent arteriole |
| Answer» Correct Answer - B | |
| 408. |
Glomerular hydrostatic hydrostatic pressure is present inA. tubule of kidneyB. bloodC. glomercular capillariesD. PCT |
| Answer» Correct Answer - C | |
| 409. |
Which of the following is not metabolised in human body and therefore, used in determining glomerular filtration rate ?A. InsulinB. InulinC. Cellulose xanthateD. Toxic ketones |
| Answer» Correct Answer - B | |
| 410. |
With respect to mode of excretion, which type of organism bony fishes areA. UreotelicB. UricotelicC. AmmonotelicD. Osmoconformers |
| Answer» Correct Answer - C | |
| 411. |
On an average how much urea is exreted out per dayA. `25-30` gB. `15-20` gC. `35-40` gD. `40-45` g |
| Answer» Correct Answer - A | |
| 412. |
The most toxic introgenous waste excreted by many bony fishes, aquatic amphibians and aquatic insect isA. AmmoniaB. UreaC. Uric acidD. Both 2 & 3 |
| Answer» Correct Answer - A | |
| 413. |
A fall in glomerular filtration rate (GFR) activatesA. Juxta glomerular cells to releases reninB. Adernal cortex to release aldosteroneC. Adrenal medulla to release adrenalineD. Posterior pituitary to release vasopressin |
| Answer» Correct Answer - A | |
| 414. |
ANF mechanism, acts as a check on the A. Renin-angiotensin mechanism B. Counter-current mechanismC.  JGA mechanism D.  Micturition refiex |
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Answer» Correct Answer - A An increase in blood how to the atria of the heart can cause the release of Atrial Natriuretic Factor (ANF). ANF can cause vasodilation (dilation of blood vessels) and thereby decrease the blood pressure. ANF mechanism, therefore, acts as a check on the renin-angiotensin mechanism. |
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| 415. |
Deposition of uric acid at the joints is:A. UreaB. Uric acidC. GuanineD. Ammonia |
| Answer» Correct Answer - B | |
| 416. |
Ketosis is due toA. High insulin levelB. Low insulin levelC. Low thyroxine levelD. Low level of glucagon |
| Answer» Correct Answer - B | |
| 417. |
Which one mineness of curve of nunnysA. VasopressingB. ThyroxineC. Vasopressin and aldosteroneD. Gonadotrophin |
| Answer» Correct Answer - C | |
| 418. |
Which of the following statement is incorrect?A. ADH is a vasoconstrictorB. Aldosterone facilitates wate reabsorptionC. ANF enhance sodium reabsorptionD. ANF causes vasodilation |
| Answer» Correct Answer - C | |
| 419. |
A terrestrial animal must be able toA. Activley pump salts out through the skinB. Excrete large amounts of salts in urineC. Excrete large amounts of water in urineD. Conserve water |
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Answer» Correct Answer - D (d) Uric acid is least soluble nitrogenous waste and one gm of uric acid needs only 10 ml of water to be exprllrd advantage to land animal which have limited access to waste. So uricotelism is an adaptation to terrestrial mode of life. |
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| 420. |
A terrestrial animal must be able toA.  Excrete large amounts of urineB. Conserve waterC.  Actively pump out salts through skinD. Excrete large amount of salts in urine |
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Answer» Correct Answer - B Terrestrial animals must conserve water. |
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| 421. |
Which blood vessel contains the least amount of urea ?A. Renal veinB. Renal arteryC. Pulmonary veinD. Hepatic portal vein |
| Answer» Correct Answer - D | |
| 422. |
This is not a nitrogenous wasteA. CreatinineB. PurinesC. AllantoinD. Citrulline |
| Answer» Correct Answer - C | |
| 423. |
Which blood vessel contains the least amount of urea ?A. Hepatic veinB. Renal veinC. Hepatic portal veinD. Renal artery |
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Answer» Correct Answer - B Renal vein contains the least amount of urea. |
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| 424. |
Malphigian body is constituted byA.  Glomerulus onlyB. Glomerulus and Bowman ’s capsuleC. Glomerulus and efferent vesselD.  Glomerulus and afferent vessel |
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Answer» Correct Answer - B Malpighian body/renal corpuscle is constituted by glomerulus and Bowman’s capsule. |
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| 425. |
Marine teleost fish excreteA. Uric acidB. AmmoniaC. UreaD. None of these |
| Answer» Correct Answer - D | |
| 426. |
Uric acid is formed fromA. protiensB. pyrimidinesC. purinesD. Glucose |
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Answer» Correct Answer - C Aquatic reptiles are ammonotelic in water and uricotelic on land. |
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| 427. |
If liver is removed, which component of blood will increase ?A. ammoniaB. proteinC. uric acidD. urea |
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Answer» Correct Answer - A If liver is removed, the concentration of `NH_(3)` increases because ornithine cycle is not operating. |
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| 428. |
Trimethyamine is the excretory product inA. marine teleostsB. freshwater fishC. mollucsD. amphibians |
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Answer» Correct Answer - A Concentration of urine is controlled by vasopressin. |
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| 429. |
Presence of RBC in urine is calledA. anuriaB. haematuriaC. glycosuriaD. ketonuria |
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Answer» Correct Answer - B Blood which leaves liver ans passes towards heart has higher concentration of urea. |
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| 430. |
Antennary glands of crustaceans are meant forA. GustatoreceptionB. Olfactoreception C. Tangreception D. Excretion |
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Answer» Correct Answer - D Antennary glands of crustaceans are meant for excretion. |
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| 431. |
Which of the following changes can occur in rsponse to increased Angiotensin-II level?A. Increase in the glomerular hydrostatic pressure (GHP)B. Inhibition of aldosteroneC. Decrease in the GFRD. Decrease in BCOP |
| Answer» Correct Answer - A | |
| 432. |
Angiotensin-II increases the blood volume byA. Singnlling PCT to reabsorb more NaCl and waterB. Stimulating adrenal gland to release aldosteroneC. By stimulating the release of ADHD. More thean one option is correct |
| Answer» Correct Answer - D | |
| 433. |
When the volume of body fluid falls below normal, ADHA. Decreasses permeablity of distal convoluted tubule and collecting tubuleB. Increases permeability of distal convoluted tubule and collecting tubuleC. Has nothing to do with permeability of convoluted tubuleD. Decreases permeability of proximal convoluted tubule |
| Answer» Correct Answer - B | |
| 434. |
When the volume of body fluid falls below normal, ADHA. Decreasses permeablity of distal convoluted tubule and collecting tubule B. Increases permeability of distal convoluted tubule and collecting tubuleC. Has nothing to do with permeability of convoluted tubuleD. Decreases permeability of proximal convoluted tubule |
| Answer» Correct Answer - B | |
| 435. |
Mark the inappropriate term w.r.t. the glomerular filtrationA. Non selectiveB. Passive processC. Active processD. Occurs due to pressure difference |
| Answer» Correct Answer - C | |
| 436. |
Vitamin excreted by urine in higher vertebrates isA. AB. DC. KD. C |
| Answer» Correct Answer - D | |
| 437. |
Which of the following passage way is part of cloaca vertebratesA. RectumB. The reproductive tractC. The urinary tractD. All of these |
| Answer» Correct Answer - D | |
| 438. |
Renin is secreted byA. CortexB. MedullaC. Juxta glomerular cellsD. Podocytes |
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Answer» Correct Answer - C (c ) Renin is an enzyme released by the juztamedullary cells into plasma where it converts angiotensinogen into angiotensin I. |
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| 439. |
Human kidney hasA. Ciliated nephronB. No loop of HenleC. Mesonephric ductD. Glomeruli concentrated in the cortex |
| Answer» Correct Answer - D | |
| 440. |
Name the harmful wastes which are removed from blood in urea cycle. |
| Answer» Ammonia and Carbondioxide | |
| 441. |
Name the excretory structures of earthworm. |
| Answer» Correct Answer - Nephridia | |
| 442. |
Exeretion of uric acid rewuires `"_____________"` loss of water |
| Answer» Correct Answer - Minimum | |
| 443. |
Give the role of protonephridia. |
| Answer» Protonephridia are excretory structures of Planaria, Amphioxus etc. They are primarily concerned with ionic and fluid volume regulation, i.e., osmorggulation. | |
| 444. |
Which of the following groups contains uricotelic animals only?A. Reptiles, birds, land snails, insectB. Reptiles, birds, land snail, aquatic insectsC. Amphibians, birds, lands snails, insectsD. Amphibians, reptiles, birds, insect |
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Answer» Correct Answer - A Reptiles, birds, land snails and insects excrete nitrogenous wastes as uric acid and thus they are called uricotelic aninmals. |
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| 445. |
Name two uricotelic animals. |
| Answer» Reptiles, birds and insects. | |
| 446. |
Which one of the following pair of waste substances is removed from blood in omithine cycleA. urea and urineB. ammonia and urineC. `CO_(2)` and ammoniaD. `CO_(2)` and urea |
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Answer» Correct Answer - C Most abundant, harmful and universal waste product of metabolism is `CO_(2)` |
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| 447. |
Which of the following activates JG cells to release renin?A. Increase in glomerular filtration rateB. Passage of urea into medullary interstitiumnC. Atrial natriuretic factorD. Fall in glomerular filtration rate |
| Answer» Correct Answer - D | |
| 448. |
In micturitionA. urethra relaxesB. tureter contractsC. ureter relaxesD. urethra contracts |
| Answer» Correct Answer - A | |
| 449. |
Substrate which is not readsorbed in urine isA. CarbohydratesB. FatsC. VitaminsD. Proteins |
| Answer» Correct Answer - C | |
| 450. |
Which ones influence the activity of kidneysA. VasopressinB. ThyroxineC. Vasopressin and aldosteroneD. Gonadotrophin |
| Answer» Correct Answer - C | |