GATE Questions

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Hydroelectricity is electricity produced from hydropower i.e, water.

Here cellulose, sucrose and glycogen are all the forms of glucose. Hence, glucose includes all the other three given options.

Molecular compounds are those with covalent bonds between the elements and those elements are typically non metals.

Here in the given options, Ar is an element. NaI has an ionic bond. Hence, N2O4 has a covalent bond between the two non metals and is a molecular compound.

Enzymes are macromolecular biological catalysts. Enzymes accelerate chemical reactions. The molecules upon which enzymes may act are called substrates and the enzyme converts the substrates into different molecules known as products.

1/4 of 12

= 1/4 x 12

= 3

Hence, 1/4 of 12 = 3.

The letter 'X' resembles the same as the tool AXE in sounding.

Hence, the alphabet X is a tool.

All atoms of an element have the same number of protons. The number of protons in an element is a primary identifier known as its atomic number. The number of electrons is the same as the number of protons.