Free Excretory Products And Their Elimination (Daily Quiz: 6) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Excretory Products And Their Elimination (Daily Quiz: 6) Time:

Question-1

Consider the following four statements (i - iv) about certain desert animals such as kangaroo rat
  1. They have dark colour and high rate of reproduction and excrete solid urine
  2. They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs
  3. They feed on dry seeds and do not require drinking water
  4. They excrete very concentrated urine and do not use water to regulate body temperature.
Which two of the above statements for such animals are true?

(a)

(b)

(c)

(d)


Question-2

Match the disorders given in column-I with their feature given in column-II and choose the correct option.
Column-I (Disorders)Column-II (Feature)
A. UremiaI. Excess of protein in urine
B. HematuriaII. Presence of high ketone bodies in urine
C. KetonuriaIII. Presence of blood cells in urine
D. GlycosuriaIV. Presence of glucose in urine
E. ProteinuriaV. Excess of urea in blood
Codes:

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

Uremia refers to increased level of urea and other nitrogenous waste compounds in the blood that are normally eliminated by the kidneys. Hematuria is the presence of blood in the urine. Ketonuria is the excretion of abnormally large amounts of ketone bodies in the urine. It is the characteristic of diabetes mellitus, starvation, or other medical conditions. Glycosuria is a condition characterized by an excess of sugar in the urine. It is typically associated with diabetes or kidney disease. Proteinuria is the presence of abnormal quantities of protein in the urine, which may indicate damage to the kidneys.


Question-3

Through the thick segment of ascending limb of Henle’s loop the

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

The ascending limb of loop of Henle has a thin and a thick segment. The thin ascending limb is found in the medulla of the kidney, and the thick ascending limb can be divided into a part that is in the renal medulla and a part that is in the renal cortex. Through the thick segment of ascending limb of loop of Henle, the NaCl can pass by active transport from the filtrate to the interstitial fluid. The medullary ascending limb remains impermeable to water. Sodium, potassium ($K^{+}$) and chloride ($Cl^{–}$) ions are reabsorbed by active transport. $K^{+}$ is passively transported along its concentration gradient through a $K^{+}$ leak channel in the apical aspect of the cells, back into the lumen of the ascending limb.


Question-4

The values of GFR in an healthy individual is

(a)

(b)

(c)

(d)


Question-5

Loop of Henle takes part in absorption of

(a)

(b)

(c)

(d)

Explanation:

Answer: (a)

Loop of Henle is a long, U-shaped portion of the tubule takes part in the absorption of water and conducts urine within each nephron of the kidney of reptiles, birds, and mammals. The important function of the loop of Henle appears to be the recovery of water and sodium chloride from the urine which allows production of urine that is far more concentrated than blood, limiting the amount of water needed as intake for survival. Many species that live in arid environments such as deserts have highly efficient loops of Henle.


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