Answer: C) white light Explanation: As far as the rate of photosynthesis is concerned, it is fastest in white light making the rate of photosynthesis maximum. After White, We Have Violet Light Where Photosynthesis Occur To A Higher Extent as It Has The Shortest Wavelength Hence Has The Max Energy.   So The Order Is  ::  white>violet>blue.

Answer: A) 6000 BC Explanation: Settled agriculture was first seen in China around 6000 BC. The crops grown at this time were rice and millet.Beginning in about 618 BC with classical millet agriculture, China's development of farming over the course of its history has played a key role in supporting the growth of what is now the largest population in the world.

Answer: D) Defence Research and Development Organisation Explanation: DRDO stands for The Defence Research and Development Organisation.   The Defence Research and Development Organisation (DRDO) is an agency of the Republic of India, charged with the military's research and development, headquartered in New Delhi, India.

The sound is what can you hear but not touch or see.

Answer: D) All the above Explanation:

Answer: B) United States Explanation: The United States Constitution, ratified June 21, 1788, was influenced by the writings of Polybius, Locke, Montesquieu, and others. The document became a benchmark for republicanism and codified constitutions written thereafter. The Polish–Lithuanian Commonwealth Constitution was passed on May 3, 1791.

Answer: A) Hard disk Explanation: Most operating systems store files on a hard disk.

Answer: D) Carbon Explanation: Carbon is found in all organic compounds.