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प्रश्न
“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.
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उत्तर
The statement is incorrect since plants respire and expel carbon dioxide at all times,but they only give out oxygen during the day because photosynthesis can only occur in the presence of sunlight.
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संबंधित प्रश्न
Bile, Urea, Uric acid, Ammonia
Name a waste gas released by the plants only during the night time.
What is the role of glomerulus in the kidney?
A dialysis machine contains long tubes coiled in a tank containing dialysing solution
Name the main waste which passes into the dialysing solution.
What is meant by dialysis? What type of patients are put on dialysis?
The excretory unit in the human excretory system is called:
Put a tick mark (✓) against the most appropriate alternative in the following statement :
In human beings, urea is produced in :
What is dialysis? Under what condition is it carried out?
Give Technical Terms
The hormone that helps increase the reabsorption of water from the kidney tubules.
Complete the following sentence with appropriate word:
The U-shaped portion of a nephron located in the medulla region is called ______.
Complete the following sentence with appropriate word:
The knot of blood vessel inside the Bowman’s capsule is ______.
Choose the Odd One Out:
Hypotonic filtrate is formed in _______.
Answer the following question.
Amphibian tadpole can afford to be ammonotelic. Justify.
Answer the following question.
Birds are uricotelic in nature. Give reason.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
What would happen if green plants disappeared from earth?
Identify the correct labels for A and B in the following diagram
Give two examples of the following:
Main excretory organs
