Questions

Ozone layer depletion is one of the most serious problems faced by our planet earth. Substances that Deplete the Ozone Layer (ODS) emission are responsible for ultraviolet radiations from the sun break them to release chlorine (from CFCs) and bromine (from methyl bromide and halons).

Plant cell walls are mostly made up of the molecule cellulose. Cellulose is a polysaccharide, a complex sugar made of long chains of glucose.

The cell wall must be made of thick and strong material as it provides the structural shape of the plant and protection from insects and microorganisms.

Swayangsiddha which means self-reliance is the scheme that has been started by the West Bengal police in all districts in an attempt to combat human trafficking.

The law of conservation of mass states that in any closed system the mass of the system is neither created nor destroyed over time i.e, the mass cannot be changed overtime.

Hence, the given statement is true.

Biotin is a water-soluble B vitamin, also called vitamin B7 and formerly known as vitamin H or coenzyme R.

Kelvin temperature scale is the temperature scale that is based upon absolute zero.

IP addresses are converted to a domain name by DNS - Domain Name System.