Statewise Prepration
Govt. Examwise MCQ
4046+ MCQ Questions in english हिन्दी
Which acid is found in the human stomach?
HCl helps in digestion and kills harmful microbes.
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Which bacteria play a key role in nitrogen fixation?
Rhizobium lives in the root nodules of legume plants.
Which is the thickest layer of Earth?
The mantle is about 2900 km thick — the thickest layer.
Why does refraction of light occur when it passes from air to water?
Refraction occurs because light slows down in denser medium like water.
The SI unit “Hertz” (Hz) is used to measure —
1 Hz = 1 cycle per second, used for wave frequency.
What is the structural model of DNA called?
The Double Helix model was proposed by Watson and Crick.
Why can light not escape a black hole?
Black holes have such intense gravity that not even light can escape.
Which element is not naturally radioactive?
Although Bismuth is very slightly radioactive, it's considered effectively stable in nature.
The term “Secular” was added to the Preamble by which amendment?
Added during Emergency (1976).
Who is known as the "Father of the Indian IT Industry"?
Founder of Infosys, a key figure in India’s IT boom.
The famous book "We the People" is authored by:
Deals with Indian Constitution and Governance.
. Who was the first Indian to fly into space?
Flew in Soviet Soyuz T-11 in 1984.
Which Indian freedom fighter is called "Punjab Kesari"?
Part of the Lal-Bal-Pal trio.
The deepest part of the ocean is:
Mariana Trench, ~11,000 meters deep.
. What is the upper limit of FDI in insurance sector (as of 2024)?
Increased to 74% in 2021.
. In nuclear reactors, which material is commonly used as a moderator?
Graphite or heavy water slows down neutrons.
Who wrote the National Song ‘Vande Mataram’?
Written in Sanskrit-Bengali in his novel Anandamath.
What is the study of earthquakes called?
Deals with measurement & analysis of earthquakes.
The famous slogan “Do or Die” was given during which movement?
Given by Mahatma Gandhi in 1942 during Quit India Movement.
Kathakali is a classical dance form of which state?
Known for elaborate makeup and storytelling from epics.
. What is the pH of pure water at room temperature?
Neutral pH = 7 (for pure water).
Which Indian became the President of the UN General Assembly in 1953?
First woman President of the UNGA from India.
The Bhagavad Gita is a part of which epic?
It's part of the Bhishma Parva of the Mahabharata.
. Who was the Governor-General during the 1857 revolt?
Lord Canning was Governor-General during the First War of Independence.
Which layer of Earth lies just below the crust? A. Inner core B. Outer core C. Mantle ✅ D. Lithosphere
The mantle lies between the crust and the core.
Who discovered blood groups?
Discovered A, B, AB, and O groups — Nobel Prize in 1930.
The 'Chipko Movement' began in which state?
Started in the 1970s to prevent deforestation in Garhwal.
. Who built the Grand Trunk Road in its present form?
Sher Shah modernized the ancient route from Bengal to Punjab.
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