General MCQs
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Q301.Another name for our voice box is ____?
Correct Answer: A
The larynx, located in the throat, is commonly known as the voice box.
Q302.Another name of RDX is ____?
Correct Answer: D
RDX (Research Department Explosive) is also known as cyclonite, a powerful military explosive.
Q303.Anti Diuretic hormone (ADH) also known as Vasopressin, Arginine Vasopressin and agripressin. Is secreted by____ ?
Correct Answer: A
Anti-Diuretic Hormone (ADH), also called vasopressin, is secreted by the pituitary gland (specifically the posterior pituitary).
Q304.Anti Diuretic hormone is secreted by one of the following glands?
Correct Answer: A
ADH (Anti-Diuretic Hormone) is secreted by the pituitary gland.
Q305.Aphasia is the inability to do what?
Correct Answer: B
Aphasia is a condition that impairs a person's ability to communicate — speak, understand, read, or write.
Q306.Approximately how many Galaxies are there ?
Correct Answer: B
Current estimates suggest there are approximately 100 billion (or more) galaxies in the observable universe.
Q307.Approximately, how many times each day do our heart valves open and close normally?
Correct Answer: B
The heart's valves open and close roughly 100,000 times each day under normal conditions.
Q308.Archeology is the branch of:
Correct Answer: A
Archaeology is generally classified as a branch of anthropology, focused on studying past human societies through material remains.
Q309.As the temperature of ice rises, the ice melts and its density?
Correct Answer: C
As ice melts and its temperature rises toward 4°C, the resulting water's density increases (water is densest at 4°C).
Q310.As you go down into a well, your weight____?
Correct Answer: B
As you descend into a well (toward Earth's center), your weight slightly decreases because less mass is pulling you downward from below.
Q311.At what temperature are Celsius and Fahrenheit equal?
Correct Answer: A
Celsius and Fahrenheit scales intersect (read the same value) at -40 degrees.
Q312.At what temperature does silver melt?
Correct Answer: C
Silver melts at a temperature of 961.8°C.
Q313.At which temperature does bacteria die?
Correct Answer: C
Most disease-causing bacteria die at temperatures around 149°F (65°C) or higher through sustained heating.
Q314.Atephobia is fear of ____?
Correct Answer: A
Atelophobia (often referenced as 'atephobia') is the fear of imperfection or not being good enough.
Q315.Atmospheric pressure at sea level is ____?
Correct Answer: B
Standard atmospheric pressure at sea level is 760 mm of mercury (Hg).
Q316.Atmospheric temperature increases at the higher altitudes due to____?
Correct Answer: B
Temperature can increase at higher altitudes (e.g., in the stratosphere) due to absorption of solar radiation by ozone, though this passage attributes it broadly to atmospheric heat transfer processes.
Q317.Atom is made up of____different kinds of subatomic particles:
Correct Answer: A
An atom is made up of three main subatomic particles: protons, neutrons, and electrons.
Q318.Atomic power plant works on the principle of?
Correct Answer: A
Atomic (nuclear) power plants generate energy through controlled nuclear fission reactions.
Q319.Average salinity or ratio of salt as per kilogram of water of ocean is____?
Correct Answer: A
The average salinity of ocean water is about 35 grams of dissolved salts per kilogram of seawater.
Q320.Aviation fuel for Jet Aeroplanes consists of purified____?
Correct Answer: B
Jet aviation fuel is essentially a highly refined and purified form of kerosene.