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प्रश्न
What is urethra?
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उत्तर
Urethra is the small opening that carries urine out of the body.
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संबंधित प्रश्न
Write the functions of the Urinary bladder
Define excretion.
Name a waste gas released by the plants only during the daytime.
Fill in the following blank with suitable word:
Gums and resins are the .......... products of plants.
Where is urine carried through ureters?
Differentiate between
excretion and transpiration
Answer the following in detail.
Describe the process of urine formation.
Answer the following in detail.
Explain the process of transpiration. Describe some factors that affect it.
Why is it necessary to maintain a normal osmotic concentration of the blood?
Differentiate between the following pairs of terms:
Bowman’s capsule and malpighian capsule.
Differentiate between the following pairs of term :
Renal cortex and renal medulla
Choose the correct answer:
The smallest functional unit of the kidney is ____________
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Why does the cortex of the kidney show a dotted appearance?

Give Technical Term:
The organ in man concerned with maintaining water balance in the body.
Complete the following sentence with appropriate word:
The knot of blood vessel inside the Bowman’s capsule is ______.
Hypotonic filtrate is formed in _______.
Identify the INCORRECT match.
Osmoregulation maintains the osmolarity of blood at about ______.
Plants use completely different process for excretion as compared to animals. Which one of the following processes is NOT followed by plants for excretion?
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reasons for your answer.
