TRB, TET, TNPSC Online Test - 1

Question: 1

A substance which can act both as an acid and a base is known as

(A) Amphoteric

(B) Allotropic

(C) Amorphous

(D) None of these

Question: 2

Which of the following is a conventional source of energy?

(A) Wind

(B) Hydropower

(C) Geothermal

(D) Solar

Question: 3

The Magnetic Resonance Imaging (MRI) is mainly used for which of the following purposes?

(A) It is used to bring sharpness in colour photograpy

(B) It is a new technique used in diagnosing diseases

(C) It is a useful technique to measure the intensity of the magnetic fields

(D) It is a technique used to monitor the functioning of a satellite placed in space

Question: 4

The metal which can join well with the glass is

(A) Silver

(B) Chromium

(C) Nickel

(D) Platinum

Question: 5

Instruments can be shielded from outside magnetic effects by surrounding them with

(A) Glass shield

(B) Brass shield

(C) Rubber shield

(D) Iron shield