The luminous body emits:
A. Waves
B. Lights
C. Energy
D. None of these
Nitrogenous wastes excreted through urine in human is:
A. Ammonia
B. Uric acid
C. Urea
D. None of these
Which gas is used in refrigerator for cooling:
A. Chlorofluorocarbon
B. Helium
C. Nitrogen
D. None of these
Which mirror is used in headlight of cars:
A. Concave
B. Convex
C. Plain
D. None of these
When the object moves with the speed of light:
A. Double
B. Zero
C. Infinity
D. None of these
What is the S.I unit of temperature:
A. Fahrenheit
B. Centigrade
C. Kelvin
D. None of these
The most abundant metal found in Earth crust:
A. Silicon
B. Oxygen
C. Aluminum
D. None of these
Electron was discovered by:
A. J.J Thomson
B. Goldstein
C. Rutherford
D. None of these
Powerhouse of living cell is called:
A. Cytoplasm
B. Mitochondria
C. Cell
D.None of these
Nuclear energy when expand converts:
A. Protons into neutrons
B. Nuclear into thermal
C. Chemical into Heat
D. None of these
First working laser developed by:
A. Theodore Maiman
B. Robert Boyle
C. Max Planck
D. None of these
Mercury thermometer was invented by:
A. James Gosling
B. Ian Turing
C. Daniel Gabriel Fahrenheit
D. None of these
The color which we see when our eyes are closed:
A. Eigengrau
B. Brown
C. Blue
D. None of these
The big bang theory was proposed by:
A. William
B. Edwin Hubble
C. George Lemaitre
D. None of these
The atomic number of Hydrogen is:
A. 01
B. 03
C. 04
D. None of these
When COVID Delta variant discovered in India:
A. Mid 2020
B. End 2020
C. Late 2020
D. None of these
___ is called the opium poppy:
A. Root
B. Stem
C. Dried latex
D. None of these
When the temperature increases, resistance decrease in:
A. Semi-Conductors
B. Insulators
C. Metals
D. None of these
Water and salt is produced by reaction of acid with:
A. Weight
B. Hydroxides
C. Base
D. None of these
Mass is a same physical quantity as:
A. Displacement
B. Weight
C. Inertia
D. Noe of these
