Intrinsic Semi_conductor is also known as__________
(A) Impure-Conductor
(B) Pure-Conductor
(C) Simple Conductor
(D) None of these
On passing through food stuff, X_ray can kill the___________
(A) Fungus
(B) Virus
(C) Bacteria
(D) insects
Vitamin A is found in the____________
(A) Green vegetables
(B) White vegetables
(C) Yellow vegetables
(D) Red vegetables
An extremely small piece of silicon on which integrated circuits are implicated is called __________________
(A) Card Reader
(B) Hollerith Code
(C) Feed
(D) Chip
The property of a substance to absorb moisture from the air on exposure is called____________
(A) osmosis
(B) deliquescence
(C) efflorescence
(D) desiccation
The variety of coal in which the deposit contains recognizable traces of the original plant material is____________
(A) bitumen
(B) anthracite
(C) lignite
(D) peat
Bromine is a___________________
(A) black solid
(B) red-brown liquid
(C) colourless gas
(D) highly inflammable gas
Second layer of Earth’s atmosphere is__________
(A) Stratosphere
(B) Mesosphere
(C) Troposphere
(D) Thermosphere