Which of the following carries oxygen to various parts of human body?
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What is the function of guard cells of stomata?
By which process substance like carbon dioxide or oxygen can move across the cell membrane?
Which gland secretes bile, a digestive fluid?
Eustachian Tube is located in which part of human body?
Zeatin is produced in ____ and transported to ___ in the xylem where it promotes cell division.
Which of the following type of medicine is used for treating indigestion?
Proteins are polymers formed from