Question

3. Write the definition of any three of the
following items along with illustrations :
2x3=6
(a) Virtual
(b) Catalyst
(c) Internship
(d) Portal
(e) Tier 2 and tier 3 cities​

Answer 1

The definitions are given below.

Explanation:

• A catalyst is an object, person, or substance that causes a change.
• In a chemical reaction, a catalyst speeds up the chemical reactions.
• An internship program is a small course offered by an organization that a student or trainees join to get experience. The internship is without pay.
• A portal is a web page or a website that provides access to other sites.