The maximum fixation of solar energy is done by
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Which of the following is used in gunpowder?
Alveoli are balloon like structures within the ______.
Which of the following plays an important role in photosynthesis?
In the following question, out of the four alternatives, select the word opposite in meaning to the word given.Intrepid
When was Consumer Protection Act (COPRA) passed?
Who invented the electric tram?
Who is known for the invention of 'World Wide Web'?