Which of the following vitamins help in the absorption of calcium?
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Zeatin is produced in ____ and transported to ___ in the xylem where it promotes cell division.
The primary function of RNA is
Which of the following physiological symptoms are signs of stress?
Organisms that use light to prepare food are known as _____.
The color of human skin depends upon
Which of the following is NOT a pollination agent for cross pollination?
Which of the following is NOT included in the excretory system of human being?