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Test: Human Excretory System (August 21) - NEET MCQ


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10 Questions MCQ Test - Test: Human Excretory System (August 21)

Test: Human Excretory System (August 21) for NEET 2024 is part of NEET preparation. The Test: Human Excretory System (August 21) questions and answers have been prepared according to the NEET exam syllabus.The Test: Human Excretory System (August 21) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Human Excretory System (August 21) below.
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Test: Human Excretory System (August 21) - Question 1

Which one of the following does not constitute a part of singleuriniferous tubule?

Detailed Solution for Test: Human Excretory System (August 21) - Question 1

The correct option is B Glomerulus
The uriniferous tubule is divided into the proximal tubule, the intermediate (thin) tubule, the distal tubule and the collecting duct. So, glomerulus does not belonging uriniferous tubule.

Test: Human Excretory System (August 21) - Question 2

Which of the following statements is correct?

Detailed Solution for Test: Human Excretory System (August 21) - Question 2

The thick segment of the ascending limb of Henle's loop extends as DCT. Cortical nephrons do not have vasa recta. PCT and DCT are situated in cortex of the kidney. Bowman's capsule encloses the glomerulus.

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Test: Human Excretory System (August 21) - Question 3

Read the given statements and select the correct option.
Statement 1: The urinary bladder dilates a good deal as arine trickles into it from the ureters.
Statement 2: Urinary bladder is lined throughout by transitional epithelium.

Detailed Solution for Test: Human Excretory System (August 21) - Question 3

Transitional epithelium permits distension. The transitional epithelium of urinary bladder can be stretched considerably, thus, it dilates a good deal as urine enters into it.

Test: Human Excretory System (August 21) - Question 4

The dotted appearance of cortex of kidney is do

Detailed Solution for Test: Human Excretory System (August 21) - Question 4

The dotted appearance of cortex of kidney is due to the presence of convoluted parts of the tubule (proximal and distal convoluted tubules).

Test: Human Excretory System (August 21) - Question 5

Renin is released by

Detailed Solution for Test: Human Excretory System (August 21) - Question 5

A fall in glomerular blood flow/glomerular blood pressure/glomerular filtration rate can activate the jwtaglomerular cells to release renin which regulates the kidney function.

Test: Human Excretory System (August 21) - Question 6

The basic functional unit of human kidney is

Detailed Solution for Test: Human Excretory System (August 21) - Question 6

A nephron is a unit of structure and function in a kidney. Each kidney contains about a million nephrons A nephron is a long tubule differentiated into Bowman's capsule, PCT, loop of Henle and DCT, each part is having its own partiular function. 

Test: Human Excretory System (August 21) - Question 7

The longest loop of Henle is found in

Detailed Solution for Test: Human Excretory System (August 21) - Question 7

Kangaroo rat lives in desert, therefore, it needs to conserve water in the body. In kangaroo rat, loop of Henle is significantly longer as it descends further into the medulla and produces a higher concentration gradient in the surrounding tissue so as to produce urine which is 18 times concentrated than that of their blood. This gradient allows more water to diffuse into surrounding tissues to be reabsorbed.

Test: Human Excretory System (August 21) - Question 8

The number of nephorns in a kidney is equal to 

Detailed Solution for Test: Human Excretory System (August 21) - Question 8

Each nephron has a blind cup shaped structure called Bowman's, capsule. Bowman's capsule encloses glomerulus and is a site of ultrafiltration. Therefore, the number of nephrons in kidney is equal to the number of Bowman's capsule. Malpighian body (renal corpuscle) is a collective term used for Bowman's capsule and its glomerulus.

Test: Human Excretory System (August 21) - Question 9

Podocytes are the cells present on

Detailed Solution for Test: Human Excretory System (August 21) - Question 9

Podocytes are the special type of cells present in the visceral layer of Bowman's capsule. These cells have foot like processes called pedicels. The space between the pedicels are called slit pores through which the glomerular filtrate filters.

Test: Human Excretory System (August 21) - Question 10

Which of the following is not correct with respect to human kidney?

Detailed Solution for Test: Human Excretory System (August 21) - Question 10

Blood enters glomerulus through afferent arteriole and leaves through efferent arteriole.

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