Questions

Solely means only, simply or merely.

Polymers are complex molecules composed of random sequences of atoms is the only statement which is not true regarding polymers.

Metamorphism is the change of minerals or geologic texture in pre-existing rocks, without the protolith melting into liquid magma. The change occurs primarily due to heat, pressure, and the introduction of chemically active fluids.

The parent rock must be in solid form. Tons of pressure must be applied for metamorphism to happen. The process must take place underground.

Any object rolls when there is no friction. So, Sliding to Rolling is correct.

The process of conversion of sugar to alcohol is called Fermentation in which sugar is coverted to alcohol with the help of yeast.