The smallest blood vessels which are one-cell thick, are called ______
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What is the function of guard cells of stomata?
Blood Circulation was discovered by?
Which of the following award is given for distinguished service in any field including service rendered by the Government servants?
B.D.Goenka Award was established to recognise contributions made by individuals in building and furthering the cause of ____________.
Who among the following was the first grammarian of the Sanskrit language?
What is the capital of Portugal?
The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is