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प्रश्न
Fill in the blank.
....................... are present in the stem of pine tree that make the pinewood strong and durable.
उत्तर
Resins are present in the stem of pine tree that make the pinewood strong and durable.
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संबंधित प्रश्न
Why is it necessary to excrete waste products?
Draw a neat labelled diagram of the human excretory system.
Where is urine carried through ureters?
Complete the following sentence with appropriate word:
The sum total of all the chemical reactions taking place in the cell is known as ______.
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Choose the correct option.
Visceral layer : Podocytes :: PCT : ________.
Choose the correct option.
Specific gravity of urine would _______ if level of ADH increases.
In a person the tubule part of the nephron is not functioning at all. What will its effect be on urine formation?
Give two examples of the following:
Main excretory organs
