GATE Questions

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Disaccharides are formed when two monosaccharides join together by the dehydration synthesis reaction resulting in a glycosidic bond between the two monosaccharide molecules. The reaction produces water as a side product.

W is the symbol for chemical element Tungsten or Wolfram.

It is used in making filaments of bulbs.

Stars twinkle because they’re so far away from Earth that when light from the stars passes through the atmosphere, it is bent countless times due to refraction, making it look like as if they were blinking. The sun and other planets doesn’t twinkle because it’s too close to Earth compared to other stars.

Let initial thickness of the paper be 'T'
after first fold it will be '2T' = 21T
after second fold it will be '4T' = 22T 
after 50th fold it will be T x (250T)

The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life is called Biosphere.

The letter A has a vertical axis of symmetry.

The letter C has a horizontal axis of symmetry.

The letter O has more than one axis of symmetry, including vertical axis and horizontal axis.