Micturition - class-XI
Description: micturition | |
Number of Questions: 43 | |
Created by: Blackmamba | |
Tags: excretion zoology excretory products and their elimination biology excretory products and elimination excretion and osmoregulation |
Although the urinary bladder can hold as much as ............. ml of urine the desire for urination is usually experienced when
it contains about ......... ml.
Urine output is reduced by
Voluntary response to distension of urinary bladder is
The shared terminal duct of the reproductive and urinary system in the human male is
Urine reaches the bladder from the kidneys through the urethra.
Which of the following is the correct path taken by urine in our body?
(i) Kidneys
Angiotensin - II causes
In micturition,
What will happen if the stretch receptors of the urinary bladder wall are totally removed?
Which are relaxed during micturition?
(i) Internal urethral sphincter
(ii) External urethral sphincter
(iii) Renal pelvis
(iv) Muscles of bladder.
All the following statements about micturition are correct but one is wrong, which one is wrong?
Which of the following factors would cause an increased volume of urine production in a man?
Why do we pass more urine in wet and cold season?
The normal range of urinary output per day in human adults is
Urine is stored in
What will happen if the stretch receptors of the urinary bladder wall are totally removed?
The urine is
Which of the following is responsible for excretion of dilute urine?
Vasopressin is related with
Separation of amino acid into amino and carboxyl group is known as
A person who is starving, that is not having food and is
surviving only on water will have
Out of the following, choose the correct path of urine in our body.
Choose the correct answers from the following given.
Which of the following vitamins is generally excreted in human urine?
Choose the correct answer from the alternatives given.
The hormone that controls the output of urine is:
In humans, water is
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 urethral sphincters (6).
Which one of the following options correctly fills the blanks in any two of the above statements?
Consider the following four statements (i) - (iv) and select the option that correctly identifies the true $(T)$ and false $(F)$ ones .
(i) Micutrition 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.
The excretory waste materials eliminated by kidney as aqueous solution is called as
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 passage of urine to the outside is called urination.
Urine leaves the kidney as
In mammals, the urinary bladder opens into
Urine is stored in
Largest amounts of nitrogen are excreted through
The filling of the urinary bladder essentially requires
The feeling of fullness sensation of urine is marked if the volume of urine increases upto
Protein rich diet brings about relatively no change in which one of the following constituents of urine?
After having lunch or dinner one can feel to pass urine, because of the
What is not a correct fact about the micturition?
Choose the correct answers from the following given.
Waste products of adenine and guanine metabolism are excreted by man as
Micturition is