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Test: Micturition (NCERT) - NEET MCQ


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5 Questions MCQ Test Biology Class 11 - Test: Micturition (NCERT)

Test: Micturition (NCERT) for NEET 2024 is part of Biology Class 11 preparation. The Test: Micturition (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Micturition (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Micturition (NCERT) below.
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Test: Micturition (NCERT) - Question 1

What will happen if the stretch receptors of the urinary bladder wall are totally removed?

Detailed Solution for Test: Micturition (NCERT) - Question 1

Stretch receptors of the urinary bladder are responsible for stretch reflex. If these are removed then autonomic nenous system control will not be there and bladder will always remain full and frequently pass urine into urethra.

Test: Micturition (NCERT) - Question 2

Which one of the following is correct for a normal human?

Detailed Solution for Test: Micturition (NCERT) - Question 2

In a person suffering from diabetes mellitus, degradation of fat increases resulting in the production of ketone bodies. These are acidic and poisonous and get excreted out in urine. Therefore, presence of ketone bodies in urine is an indicator of diabetes mellitus. pH of urine is 6. On an average, 25-30 gm of urea is excreted via urine daily. Contraction of smooth muscles of the bladder and simultaneous relaxation of the urethral sphincter causes release of urine.

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Test: Micturition (NCERT) - Question 3

Consider the following four statements (i) - (iv) and select the option that correctly identifies the true (T) and false (F) ones.
(i) Micturition is carried out by a reflex.
(ii) ADH helps in water elimination making the urine hypotonic.
(iii) Protein-free fluid is filtered from blood plasma into the Bowman's capsule.
(iv) Glucose is actively reabsorbed in the proximal convoluted tubule.

Detailed Solution for Test: Micturition (NCERT) - Question 3

ADH helps in water reabsorption, making the urine hypertonic.

Test: Micturition (NCERT) - Question 4

A person who is not taking food or beverages will have _____ in urine.

Detailed Solution for Test: Micturition (NCERT) - Question 4

Urea is a nitrogenous waste formed as a result of metabolism of various food/beverages in the body and is excreted in the urine. So, if a person is not taking food/ beverages he will have less urea in his urine.

Test: Micturition (NCERT) - Question 5

The yellow colour of urine is due to the presence of 

Detailed Solution for Test: Micturition (NCERT) - Question 5

The yellow colour of the urine is due to the presence of pigment urochrome, which is a breakdown product of haemoglobin from worn out RBCs.

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