Which of the following physiological symptoms are signs of stress?
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During the day which process is the major driving force in the movement of water in the xylem?
____ tissue changes the diameter of a blood vessel.
In the modern periodic table, which of the two periods contain 8 elements each?
Which among the following is true for the Supreme Court of India ?
India has designed and developed pilotless target aircrafts named ___ and made successful test flight of its unmanned air vehicle (UAV).
1. Nishant
2. Lakshya
3. Astra
The energy which we get from food is measured in
In which direction does the tail of a comet point toward?