(A) B
(B) Be
(C) Al
(D) Mg
The answer is: (A) B
Category: Everyday Science
Which of the following electromagnetic radiation is associated with heat transfer through radiation?
(A) Microwaves
(B) Infrared rays
(C) X-Rays
(D) Gamma rays
The answer is: (B) Infrared rays
Which from the following is/are NOT electromagnetic radiation(s)?
I. Alpha rays
II. Beta rays
III. Gamma rays
(A) I only
(B) II only
(C) III only
(D) I and II
The answer is: (D) I and II
The branch of Physics that deals with behaviour and properties of light is called
(A) Electrostatics
(B) kinematics
(C) Mechanics
(D) Optics
The answer is: (D) Optics
What is the temperature of the dead human body on Celsius scale?
(A) 37 °C
(B) Room temperature
(C) 42.4 °C
(D) None of these
The answer is: (B) Room temperature
After death the temperature of the human body starts dropping until it reaches room temperature. This period is known as “algor mortisor the death chill”.
Which of the given are monomer of proteins?
(A) Proteins
(B) Amino acids
(C) A & B
(D) None of these
The answer is: (B) Amino acids
Amino acids are the monomers that make up proteins.
A device that accelerates beams of charged particles is known as
(A) Capacitor
(B) Resistor
(C) Cyclatron
(D) Synchrotron
The answer is: (C) Cyclatron
What is the name of the strongest layer of the heart wall?
(A) Myocardium
(B) Epicardium
(C) Endocardium
(D) Cardiomyocyte
The answer is: (A) Myocardium
The middle layer of the heart wall, Myocardium, is the strongest layer.
What is the reason of the brown color of rust?
(A) Reduction
(B) Oxidation
(C) Both (A) & (B)
(D) None of these
The answer is: (B) Oxidation
The brown color of rust is because of oxidation process.
In metals, the charge carriers are
(A) electrons
(B) protons
(C) neutrons
(D) none of these
The answer is: (A) electrons