ASDEO Test Everyday Science MCQs with Answers (Part 9: Questions 26–50)

Continue your ASDEO Test preparation with these Everyday Science Multiple Choice Questions.

26.

Which organ in the human body filters blood and produces urine?

A) Liver

B) Kidney ✅

C) Heart

D) Lungs

Answer: B) Kidney

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27.

Which planet is known as the "Morning Star" or "Evening Star"?

A) Mars

B) Venus ✅

C) Mercury

D) Jupiter

Answer: B) Venus

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28.

The study of plants is called:

A) Zoology

B) Botany ✅

C) Biology

D) Ecology

Answer: B) Botany

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29.

Which gas is used by firefighters to extinguish many types of fires?

A) Oxygen

B) Hydrogen

C) Carbon Dioxide (CO₂) ✅

D) Nitrogen

Answer: C) Carbon Dioxide (CO₂)

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30.

Which part of the plant conducts photosynthesis?

A) Root

B) Stem

C) Leaf ✅

D) Flower

Answer: C) Leaf

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31.

Which vitamin is essential for good vision?

A) Vitamin A ✅

B) Vitamin B

C) Vitamin C

D) Vitamin D

Answer: A) Vitamin A

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32.

The Earth revolves around the Sun in approximately:

A) 24 hours

B) 30 days

C) 365¼ days ✅

D) 400 days

Answer: C) 365¼ days

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33.

Which blood vessels carry blood away from the heart?

A) Veins

B) Arteries ✅

C) Capillaries

D) Venules

Answer: B) Arteries

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34.

Which gas is commonly known as laughing gas?

A) Nitrogen

B) Oxygen

C) Nitrous Oxide (N₂O) ✅

D) Carbon Monoxide

Answer: C) Nitrous Oxide (N₂O)

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35.

Which is the smallest unit of matter?

A) Molecule

B) Atom ✅

C) Cell

D) Electron

Answer: B) Atom

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36.

The SI unit of electrical current is:

A) Volt

B) Watt

C) Ampere ✅

D) Ohm

Answer: C) Ampere

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37.

Which organ is responsible for pumping blood?

A) Brain

B) Heart ✅

C) Kidney

D) Stomach

Answer: B) Heart

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38.

Which force keeps planets in orbit around the Sun?

A) Magnetic Force

B) Friction

C) Gravitational Force ✅

D) Electric Force

Answer: C) Gravitational Force

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39.

Which is the fastest land animal?

A) Lion

B) Tiger

C) Cheetah ✅

D) Leopard

Answer: C) Cheetah

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40.

Which vitamin is primarily obtained from citrus fruits?

A) Vitamin A

B) Vitamin C ✅

C) Vitamin D

D) Vitamin K

Answer: B) Vitamin C

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41.

The largest planet in the Solar System is:

A) Earth

B) Saturn

C) Jupiter ✅

D) Uranus

Answer: C) Jupiter

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42.

What is the SI unit of power?

A) Joule

B) Newton

C) Watt ✅

D) Pascal

Answer: C) Watt

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43.

Which instrument is used to measure earthquakes?

A) Thermometer

B) Seismograph ✅

C) Barometer

D) Hygrometer

Answer: B) Seismograph

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44.

Which gas is essential for combustion?

A) Nitrogen

B) Oxygen ✅

C) Carbon Dioxide

D) Helium

Answer: B) Oxygen

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45.

Which organ helps humans breathe?

A) Heart

B) Lungs ✅

C) Liver

D) Pancreas

Answer: B) Lungs

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46.

Which metal is the best conductor of electricity?

A) Copper

B) Aluminum

C) Silver ✅

D) Iron

Answer: C) Silver

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47.

Which layer of the Earth is the hottest?

A) Crust

B) Mantle

C) Outer Core

D) Inner Core ✅

Answer: D) Inner Core

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48.

The speed of light in a vacuum is approximately:

A) 300,000 km/s ✅

B) 30,000 km/s

C) 3,000 km/s

D) 150,000 km/s

Answer: A) 300,000 km/s

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49.

Which disease is caused by a deficiency of insulin?

A) Malaria

B) Diabetes ✅

C) Cholera

D) Tuberculosis

Answer: B) Diabetes

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50.

Which branch of science deals with the study of living organisms?

A) Chemistry

B) Physics

C) Biology ✅

D) Geology

Answer: C) Biology

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