2190+ MCQ Questions in english हिन्दी

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The Tropic of Cancer passes through how many districts of MP?

Which national park in Madhya Pradesh is famous for tigers?

What is the capital of Madhya Pradesh?

Which river originates from Amarkantak?

Which part of the plant absorbs water and minerals from the soil?

Roots contain tiny hairs that absorb water and nutrients.

What is the main component of natural gas?

Natural gas is primarily composed of methane (CH₄), a clean-burning fuel.

Which device is used to detect earthquakes?

Seismographs record the intensity and duration of tremors.

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Which method is used to separate salt from seawater?

Distillation separates salt and water based on boiling points.

What is the function of red blood cells (RBCs)?

RBCs contain hemoglobin that binds oxygen.

Which hormone is known as the ‘stress hormone’?

Adrenaline increases heart rate and energy during stress.

Which acid is present in vinegar?

Acetic acid gives vinegar its sour taste and smell.

The chemical formula of lime water is:

Lime water is calcium hydroxide used in tests for CO₂.

Which disease is caused by a protozoa?

Malaria is caused by Plasmodium, spread by Anopheles mosquitoes.

Which gland is called the “master gland”?

The pituitary gland controls many other endocrine glands.

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Which part of the ear helps maintain body balance?

Semicircular canals in the inner ear detect motion and balance.

Which gas is most abundant in the atmosphere?

Nitrogen makes up ~78% of the Earth's atmosphere.

The process by which plants lose water is called:

Transpiration occurs mainly through leaf stomata.

Which part of the eye controls the amount of light entering it?

The iris adjusts the size of the pupil to regulate light entry.

Which blood cell fights infections?

White blood cells are the defense soldiers of the body.

Which vitamin helps in blood clotting?

Vitamin K plays a key role in the clotting process.

The chemical name of baking soda is:

Used in cooking and antacids.

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Which metal is used to make aircraft bodies?

Aluminum is light, strong, and corrosion-resistant.

Which type of lens is used in a magnifying glass?

A convex lens converges light and magnifies objects.

Speed of light in vacuum is approximately:

The speed of light is ~3 × 10⁸ m/s.

Which color of light has the highest energy?

Violet has the shortest wavelength and highest frequency.

Which instrument is used to measure atmospheric pressure?

A barometer measures air pressure in units like mmHg or hPa.

Which region of Maharashtra is affected most by salinity intrusion?

Konkan’s coastal aquifers experience saltwater intrusion due to over-extraction.

Which lake in Solapur is known for bird migration?

Hipparga Lake is a seasonal site for migratory birds and local biodiversity.

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