Quiz 248: General Science for Civil Services Preliminary Examination

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1).

Which component in light causes suppression of melatonin produced by the pineal gland?
2).

The combination of a Red Glass Plate and a Blue Glass plate will transmit which of the following light?
3).

Which among the following statement is correct about Fluorescence?
4).

Cassiterite is an ore of which of the following ?
5).

Most part of the Cosmic rays that impinge on earth’s atmosphere are __?
6).

Steel is an alloy consisting mostly of iron, with a carbon content between 0.2% and 2.1% by weight. An increasing amount of Iron will result in which of the following?
7).

Who among the following proved that Bacteria don’t originate by spontaneous generation?
8).

The blood pressure is denoted as following?
9).

Newton-meters per second is represented as follows?
10).

Which among the following is not an Enzyme?

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