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218 Science MCQ Questions in english हिन्दी
Read science multiple choice questions for the various types of competitive exams. These science questions will help students to prepare for their exams. Improve your Science subject knowledge by reading these science questions.
Which planet is known as the "Red Planet"?
Mars is sometimes called the Red Planet. It's red because of rusty iron in the ground. Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons, and weather.
What is the process by which plants make their own food using sunlight?
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
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What is the smallest unit of matter?
Atoms are the smallest units of matter that have all the characteristics of an element. Atoms combine to form molecules. Atoms are composed of smaller particles known as protons, neutrons, and electrons.
Which gas is responsible for the green color of leaves in plants?
Chlorophyll is responsible for the green color of many plants and algae. Seen through a microscope, chlorophyll is concentrated within organisms in structures called chloroplasts – shown here grouped inside plant cells.
Mrinal's father has just one daughter, who is Rohit's mother. What bond does Mrinal's husband have with Rohit?
Daya and Anil are brothers; Daya's father is Chandu, and Chandu's father is Balbeer. How is Balbeer related to Anil?
In an atomic explosion, a tremendous amount of energy is produced as a result of
What separates isotopes is:
X-rays have a wavelength in the range of
There are mesons in
Which radioactive contaminant recently caught the attention of the public because it was found in construction materials?
Using the nautical mile as a unit of measurement,
Which of the following is a unit of speed known as a knot?
Which of the following is utilised in nuclear reactors as a moderator?
Which of the following is a radioactive element's positively charged particle?
Atoms are made up of:
The unit for bars is
Which of the following gases undergoes decrease during the process?
Kilowatt is a measurement unit for:
Electric current can be detected using:
Using a chronometer, you can:
A light year is a unit of
Accurate measurements of very brief time periods are made via
How many miles are in one kilometre?
Kilohertz is a frequency measurement unit.
Equating one horse power to
What is the measurement method for sound amplitude?
A barometer's declining reading is a sign that
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