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Earn 100
The function of renin is
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Important Questions on Excretory Products and Their Elimination
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The reabsorption of the sodium from glomerular filtrate is regulated by the hormone
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Angiotensinogen is a protein produced and secreted by
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In urinary system, aldosterone takes part in retention (reabsorption) of
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What will happen if the stretch receptors of the urinary bladder wall are totally removed?
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Consider the following statements each with two blanks.
(i) Annelids have___(1)___ and insects have ___(2)___ for excretion.
(ii) Blood enters the glomerulus via ___(3)___ arteriole and leaves via ___(4)___ arteriole.
(iii) During micturition, the urinary bladder ___(5)___ and the urethral sphincters ___(6)___.
Which one of the following options correctly fills the blanks in any two of the above statements?
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Consider the following few 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.
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The outline of principal events of urination is given below in random manner.
(i) Stretch receptors on the wall of urinary bladder send signals to the CNS.
(ii) The bladder fills with urine and becomes distended.
(iii) Micturition.
(iv) CNS passes on motor messages to initiate the contraction of smooth muscles of bladder and simultaneous relaxation of urethral sphincter.
The correct sequence of the events is
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The yellow colour of urine is due to the presence of
