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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 1301. |
A child is suffering from Kwashiorkor, and if this child is compared with other marasmus children then what additional symptoms are present in Kwashiorkor child? |
| A. | Decrease m body weight |
| B. | Wasted muscles |
| C. | Oedema |
| D. | Impaired physical growth |
| Answer» B. Wasted muscles | |
| 1302. |
Identify the odd one out. |
| A. | Rabies, Influenza, AIDS |
| B. | Amoebiasis, Giardiasis, Trypanosomiasis |
| C. | Taeniasis, Ascariasis, Elephantiasis |
| D. | Cancer, Tuberculosis, Tetanus |
| Answer» E. | |
| 1303. |
Which one of the following conditions though harmful in itself, is also a potential savior from a mosquito borne infectious disease? |
| A. | Leukemia |
| B. | Thalassemia |
| C. | Sickle cell anaemia |
| D. | Pernicious anaemia |
| Answer» D. Pernicious anaemia | |
| 1304. |
Mast cells secrete a protein which causes the dilation of blood vassels. The protein is: |
| A. | Pyrogens |
| B. | Histamine |
| C. | Interferon |
| D. | None of the above |
| Answer» C. Interferon | |
| 1305. |
Monoclonal antibodies are produced from hybrid cells, called hybridomas. The cells employed to obtain these hybridoma cells, are: |
| A. | B-lymphocytes and myeloma cells |
| B. | Lymphoma cells and bone marrow cells |
| C. | T-lymphocytes and myeloma cells |
| D. | B-lymphocytes and carcinoma cells |
| Answer» B. Lymphoma cells and bone marrow cells | |
| 1306. |
E. Jenner prepared the vaccine for smallpox virus using: |
| A. | Attenuated cowpox virus |
| B. | Attenuated smallpox virus |
| C. | Large dose of smallpox virus |
| D. | Small dose of smallpox virus |
| Answer» B. Attenuated smallpox virus | |
| 1307. |
RBC counting is low in anaemia and: |
| A. | Typhoid |
| B. | Leukemia |
| C. | Influenza |
| D. | Myxoedema |
| Answer» C. Influenza | |
| 1308. |
Identify the disease against which human beings have innate immunity? |
| A. | Distemper |
| B. | Influenza |
| C. | Small-pox |
| D. | Rabies |
| Answer» B. Influenza | |
| 1309. |
Antiserum is rich in: |
| A. | Steroids |
| B. | Antibodies |
| C. | Antigens |
| D. | RBC |
| Answer» C. Antigens | |
| 1310. |
Passive immunity is achieved from injection of: |
| A. | Antibodies |
| B. | Vaccines |
| C. | Antigens |
| D. | Histamines |
| Answer» B. Vaccines | |
| 1311. |
If a person shows production of interferons in his body, the chances are that he has got an infection of: |
| A. | Typhoid |
| B. | Measles |
| C. | Tetanus |
| D. | Malaria |
| Answer» C. Tetanus | |
| 1312. |
Passive immunity is denned as immunity: |
| A. | Inherited from the parents. |
| B. | Achieved through vaccination. |
| C. | Acquired through first exposure to the disease. |
| D. | Achieved through the sera of other animals enriched in antibodies. |
| Answer» E. | |
| 1313. |
Infectious proteins are present in: |
| A. | Satellite viruses |
| B. | Gemini viruses |
| C. | Prions |
| D. | Viroids |
| Answer» D. Viroids | |
| 1314. |
Robert Koch's postulates to establish a micro- organism as pathogen can be obtained, after his work on: |
| A. | Hydrophobia |
| B. | Anthrax |
| C. | Smallpox |
| D. | Diphtheria |
| Answer» C. Smallpox | |
| 1315. |
Directions for (Qs. 96 to 99): Refer the given figure of nephron showing blood vessels and duct and answer the questions. Which part is capable of reabsorption of \[HC{{O}^{-}}_{3}\] and selective secretion of hydrogen and potassium ions and \[N{{H}_{3}}\] to maintain the pH and sodium-potassium balance in blood? |
| A. | 1 |
| B. | 3 |
| C. | 5 |
| D. | 7 |
| Answer» E. | |
| 1316. |
Directions for (Qs. 96 to 99): Refer the given figure of nephron showing blood vessels and duct and answer the questions. Cells of which part is lined by simple cuboidal brush border epithelium that increases the surface area for reabsorption? Identify the name also. |
| A. | 3-Descending limb of loop of HenIe |
| B. | 5-Vasa recta |
| C. | 6-Proximal convoluted tubule |
| D. | 7-Collecting duct |
| Answer» D. 7-Collecting duct | |
| 1317. |
Directions for (Qs. 96 to 99): Refer the given figure of nephron showing blood vessels and duct and answer the questions. Which parts in the given figure have minimum reabsorption and play a significant role in the maintenance of high osmolarity of medullary interstitial fluid? |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 5 and 6 |
| D. | 7 and 8 |
| Answer» C. 5 and 6 | |
| 1318. |
Dialysis (used for the treatment of chronic kidney diseases) differs from the process of osmosis in the respect that: |
| A. | Both solvent and solute pass through the membrane. |
| B. | Only solute selectively passes through the membrane. |
| C. | Only solvent selectively passes through the membrane. |
| D. | Gases are the only substances that pass through the membrane and the blood is cleaned. |
| Answer» B. Only solute selectively passes through the membrane. | |
| 1319. |
The kidneys resemble contractile vacuoles of protozoans in expelling: |
| A. | Excess water |
| B. | Excess glucose |
| C. | Urea & uric acid |
| D. | All salts |
| Answer» B. Excess glucose | |
| 1320. |
Due to insufficient filtration in the Bowman's capsule, all are likely to happen except: |
| A. | Accumulation of fluid in the body |
| B. | Increase in blood pressure |
| C. | Increase in blood urea level |
| D. | Loss of glucose through urine |
| Answer» D. Loss of glucose through urine | |
| 1321. |
\[N{{a}^{+}}andC{{l}^{-}}\]both are removed by: |
| A. | Ascending limb of Henle's loop |
| B. | Proximal convoluted tubule |
| C. | Both [a] and [b] |
| D. | Descending limb of Henle's loop |
| Answer» D. Descending limb of Henle's loop | |
| 1322. |
The Urine under normal conditions does not contain glucose because: |
| A. | The normal blood sugar is fructose. |
| B. | Glucose of blood is not filtered in the glomerulus. |
| C. | Glucose in glomerular filtrate is reabsorbed in the uriniferous tubules. |
| D. | Glucose in glomerular filtrate is converted into glycogen. |
| Answer» D. Glucose in glomerular filtrate is converted into glycogen. | |
| 1323. |
The given diagram represents a kidney nephron. At which position (marked as 1, 2, 3, 4, 5 and 6) does antidiuretic hormone (ADH) affect the permeability of membranes to water? |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 2 and 3 |
| D. | 5 and 6 |
| Answer» E. | |
| 1324. |
Hippuric acid, creatinines and ketones are added to urine through: |
| A. | Reabsorption |
| B. | Glomerular nitration |
| C. | Tubular secretion |
| D. | Both [b] and [c] |
| Answer» E. | |
| 1325. |
In prawn, excretion is carried out by: |
| A. | Nephrons |
| B. | Malpighian tubules |
| C. | Flame cells |
| D. | Green glands |
| Answer» E. | |
| 1326. |
Common excretory product of insects is: |
| A. | \[N{{H}_{3}}\] |
| B. | Urea |
| C. | Uric acid |
| D. | Hippuric acid |
| Answer» D. Hippuric acid | |
| 1327. |
Osmoregulation in Paramoecium is a function of: |
| A. | Contractile vacuole |
| B. | Trichocysts |
| C. | Cytopyge |
| D. | Cyostome |
| Answer» B. Trichocysts | |
| 1328. |
Most aquatic animals excrete ammonia, while land animals excrete urea or uric acid. What is the most likely explanation for this difference? |
| A. | They have different diets. |
| B. | Land animals can get the energy needed to make urea or uric acid. |
| C. | Ammonia is very toxic, and it takes lots of water to dilute it. |
| D. | Land animals cannot afford the energy needed to make ammonia. |
| Answer» D. Land animals cannot afford the energy needed to make ammonia. | |
| 1329. |
The part of the nephron impermeable to water is: |
| A. | Proximal tubule |
| B. | Distal tubule |
| C. | Ascending limb of Henle's loop |
| D. | Collecting duct |
| Answer» D. Collecting duct | |
| 1330. |
Match column-I with column-II regarding human excretory system and choose the correct option given below. Column-I Column-II A. Epithelial cells of Bowman's capsule I. Juxtamedullary nephron B. Extension of cortex between the medullary pyramids as renal columns II. Vasa recta C. Nephrons with long loop of Henle running deep into the medulla III. Juxtaglomerular Apparatus D. A fine vessel of the peritubular capillaries running parallel to Henle?s loop IV. Podocytes E. A special sensitive region in the DCT and afferent arteriole at the location of their contact V. Columns of Bertini |
| A. | A-III; B-II; C-I; D-IV; E-V |
| B. | A-V; B-I; C-II; D-III; E-IV |
| C. | A-IV; B-III; C-I; D-II; E-V |
| D. | A-II; B-IV; C-VI; D-I; E-III |
| Answer» E. | |
| 1331. |
In micturition: |
| A. | Urethra relaxes |
| B. | Ureters contract |
| C. | Ureters relax |
| D. | Urethra contracts |
| Answer» B. Ureters contract | |
| 1332. |
A person who is on a long hunger strike and is surviving only on water, will have: |
| A. | Less ammo acids in his urine |
| B. | More glucose in his blood |
| C. | Less urea in his urine |
| D. | More sodium in his urine |
| Answer» D. More sodium in his urine | |
| 1333. |
A marine fish lives in a hypertonic environment. What mechanisms does a marine fish use tom maintain homeostasis? |
| A. | It drinks copious amounts of water, excretes only small amounts of water, and pumps sodium out of the body. |
| B. | It drinks little water, excretes large amounts of water, and pumps sodium into the body. |
| C. | It drinks little water, excretes only small amounts of water, and pumps sodium out of the body. |
| D. | None of the above |
| Answer» B. It drinks little water, excretes large amounts of water, and pumps sodium into the body. | |
| 1334. |
The blood constituents that remain unchanged in quantity after circulating through the kidney are: |
| A. | Urea and glucose |
| B. | Glucose and proteins |
| C. | Urea and proteins |
| D. | Urea and uric acid |
| Answer» C. Urea and proteins | |
| 1335. |
Diabetes insipidus is a condition in which a person is unable to produce sufficient levels of the hormone ADH. The hormone increases the permeability of water of the second (distal) convoluted tubule and collecting duct in the kidney nephrons. What is produced as a result? |
| A. | Large volumes of concentrated urine |
| B. | Large volumes of dilute urine |
| C. | Small volumes of concentrated urine |
| D. | Small volumes of dilute urine |
| Answer» C. Small volumes of concentrated urine | |
| 1336. |
Identity the correct statements. (i) The outer layer of the kidney is called capsule. (ii) Cortex is divided into outer cortex and inner medulla. (iii) Medulla is divided into medullary pyramids. (iv) The cortex extends in between the medullary pyramids which is called as columns of Bertini. |
| A. | (i), (iii) and (iv) |
| B. | (i) and (iv) |
| C. | (i), (ii) and (iii) |
| D. | (i), (ii), (iii) and (iv) |
| Answer» E. | |
| 1337. |
Which of the following statements is/are correct? (i) Urine is hypertonic in distal convoluted tubule. (ii) When the urine passes into the collecting tubule, it becomes hypotonic. (iii) Urine is isotonic in proximal convoluted tubule. (iv) Urine becomes more and more hypotonic as it passes through the Henle's loop. |
| A. | (i) and (iv) only |
| B. | (i), (ii), and (iii) only |
| C. | (ii) and (iii) only |
| D. | (iii) only |
| Answer» E. | |
| 1338. |
Which is the correct order for the path taken by urine after it leaves the kidney? |
| A. | 1, 2, 3 |
| B. | 3, 1, 2 |
| C. | 2, 3, 1 |
| D. | 2, 1, 3 |
| Answer» D. 2, 1, 3 | |
| 1339. |
Which of the following is acting as an artificial kidney in haemodialysis? |
| A. | Dialysing liquid |
| B. | Dialyser |
| C. | Bubble trap |
| D. | Blood pump |
| Answer» D. Blood pump | |
| 1340. |
\[N{{a}^{+}}\]and\[C{{l}^{-}}\] are actively transported out of the tubules to help set up the countercurrent multiplier. Which of the following are sites of active \[N{{a}^{+}}\]and \[Cl{{-}^{{}}}\]transport in the nephron? |
| A. | Proximal tubule, ascending limb of the loop of Henle |
| B. | Descending limb of the loop of Henie ascending limb of the loop of Henie |
| C. | Ascending limb of the loop of Henie, proximal tubule |
| D. | Collecting duct, descending limb of the loop of Henie |
| Answer» B. Descending limb of the loop of Henie ascending limb of the loop of Henie | |
| 1341. |
Which is finally reabsorbed in distal convoluted tubule? |
| A. | Calcium |
| B. | Potassium |
| C. | Bicarbonate |
| D. | Water |
| Answer» D. Water | |
| 1342. |
Which one is an important constituent of renin- angiotensinogen-aldosterone system? |
| A. | JGA cell |
| B. | Macular cell |
| C. | Erythropoetin |
| D. | Plasma cell |
| Answer» B. Macular cell | |
| 1343. |
Angiotensinogen is a protein produced and secreted by: |
| A. | Endothelial cells (cells lining the blood vessels) |
| B. | Liver cells |
| C. | Juxtaglomerular (JG) cells |
| D. | Macula densa cells |
| Answer» C. Juxtaglomerular (JG) cells | |
| 1344. |
Match the column-I with column-II and choose the correct option. Column-I Column-II A. Delivers blood I. Proximal convoluted tubules B. Carries urine to pelvis II. Renal artery C. Collects nitrate from Bowman's capsule III. Collecting duct D. Loop of Henle IV. Ascending and descending limb |
| A. | A-IV; B-III; C-II; D-I |
| B. | A-I; B-II; C-III; D-IV |
| C. | A-II; B-III; C-IV; D-I |
| D. | A-II; B-III; C-I; D-IV |
| Answer» E. | |
| 1345. |
Which of the following statement(s) is/are correct? (i) Urine is hypertonic in distal convoluted tubule. (ii) When the urine passes into collecting tubule, it becomes hypotonic. (iii) Urine is isotonic in proximal convoluted tubule. (iv) Urine becomes more and more hypotonic as it passes through Henle's loop. |
| A. | (i) and (iv) |
| B. | (i), (ii) and (iii) |
| C. | (ii) and (iii) |
| D. | (iii) only |
| Answer» E. | |
| 1346. |
The diagram below shows a nephron of the mammalian kidney. Which one of the regions (marked as 1, 2, 3 and 4) is the main region responsible for restoring the metabolic level of the blood plasma to its pre- renal level? |
| A. | Region 1 |
| B. | Region 2 |
| C. | Region 3 |
| D. | Region 4 |
| Answer» C. Region 3 | |
| 1347. |
Uric acid gets deposited in small joints to produce: |
| A. | Rheumatoid arthritis |
| B. | Gout |
| C. | Osteoarthritis |
| D. | All of the above |
| Answer» C. Osteoarthritis | |
| 1348. |
A terrestrial animal must be able to: |
| A. | Conserve water. |
| B. | Excrete large amounts of salts in urine. |
| C. | Excrete large amounts of water in urine. |
| D. | Actively pump salts out through the skin. |
| Answer» B. Excrete large amounts of salts in urine. | |
| 1349. |
ADH influences water permeability in the: |
| A. | Proximal tubule |
| B. | Distal tubule |
| C. | Collecting tubule |
| D. | Both [a] and [b] |
| Answer» C. Collecting tubule | |
| 1350. |
Renin is secreted from: |
| A. | Stomach |
| B. | Juxta cortical cell |
| C. | Juxta glomerular body |
| D. | Juxta medullary cell |
| Answer» E. | |