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प्रश्न
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reasons for your answer.
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उत्तर
Coating vaseline to the leaves of a healthy plant will close its stomata pores and stop the respiration of plants and the plants die.
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संबंधित प्रश्न
Bile, Urea, Uric acid, Ammonia
Define excretion.
Blood in the renal artery or renal vein (Which one has more urea ?)
A dialysis machine contains long tubes coiled in a tank containing dialysing solution
What does the dialysing solution contain?
Where is urine carried through ureters?
What is meant by dialysis? What type of patients are put on dialysis?
The excretory organs in an earthworm are:
(a) nephridia
(b) nephrons
(c) raphides
(d) ureters
Answer the following in short.
List five waste products of plants.
Answer the following in short.
Define transpiration in plants.
Name the following:
The part of kidney tubules where the term urine is first used for the fluid in it.
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Afferent arteriole, renal vein, secondary capillary network, glomerulus, efferent arteriole.
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?
Name the Following
The blood vessels which brings pure blood to the kidneys:
Complete the following sentence with appropriate words:
The outer surface of the kidney is ______ while the inner surface is ______.
Write the functional activity of the following structure: Vasopressin
Write the functional activity of the following structure: Henle’s loop
Write the functional activity of the following structure: Renal artery
Choose the correct option.
The part of nephron which absorbs glucose and amino acid is ______.
“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.
