Tag: urine formation

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Multiple choice zoology excretion and osmoregulation micturition urine and urine formation urine formation

What is not a correct fact about the micturition?

  1. 1-2 litres production/day
  2. On standing urine gives pungant odour because it converts to ${ H } _{ 2 }S$ by bacteria.

  3. Normal pH of urine is 6.0

  4. Uric acid forms 0.3% of a normal urine sample
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The normal range for 24-hour urine volume is 800 to 2,000 milliliters per day (with a normal fluid intake of about 2 liters per day). Micturition or urination is the process of expelling urine from the bladder. This act is also known as voiding of the bladder. The excretory system in humans includes a pair of kidneys, two ureters, a urinary bladder, and a urethra. So the correct option is '1-2 liters production /day'.

Multiple choice zoology excretion and osmoregulation micturition urine and urine formation urine formation

Choose the correct answers from the following given.
Waste products of adenine and guanine metabolism are excreted by man as

  1. urea

  2. uric acid

  3. ammonia

  4. proteins
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The purines metabolism occur by the action of the enzymes released by the liver and intestine which help in the formation of xanthine which finally converts into uric acid as the end product.

Hence the correct answer is B.

Multiple choice zoology excretion and osmoregulation micturition urine and urine formation urine formation

Micturition is

  1. Removal of urea from blood

  2. Removal of uric acid

  3. Passing out urine

  4. Removal of faecal matter
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Urination is the release of urine from the urinary bladder through the urethra to outside of the body. It is also known medically as micturition. Micturition occurs when the bladder neck and the external urinary sphincter relax and the bladder contracts, allowing for the unobstructed expulsion of urine.