Science and Technology MCQs

Static General Knowledge

Science and Technology MCQs

Practice Science and Technology MCQs with answers and detailed explanations covering scientific inventions, technological advancements, space missions, information technology, biotechnology, artificial intelligence, discoveries, innovations and current developments frequently asked in SSC, Railway, Banking, UPSC, JKSSB, Police, Defence, Teaching and other competitive examinations.

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Total Questions

Practice Questions

Page 16 of 24
Question #301
What is the study of plants called?
A. Geology
B. Zoology
C. Physics
D. Botany
Discuss
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Correct Answer: Option D

Explanation:
Botany is the branch of biology that deals with plants.
This question belongs to: Static General Knowledge Science and Technology
Question #302
Which metal is used to coat iron to prevent rusting?
A. Aluminum
B. Gold
C. Copper
D. Zinc
Discuss
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Correct Answer: Option D

Explanation:
Galvanization is the process of applying a protective zinc coating to iron or steel to prevent rusting.
This question belongs to: Static General Knowledge Science and Technology
Question #303
Who discovered the laws of planetary motion?
A. Galileo Galilei
B. Johannes Kepler
C. Isaac Newton
D. Nicolaus Copernicus
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Correct Answer: Option B

Explanation:
Johannes Kepler derived three laws describing the planetary motion around the Sun.
This question belongs to: Static General Knowledge Science and Technology
Question #304
What is the chemical name for table salt?
A. Sodium chloride
B. Sodium carbonate
C. Potassium chloride
D. Calcium carbonate
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Correct Answer: Option A

Explanation:
Table salt is chemically known as sodium chloride (NaCl).
This question belongs to: Static General Knowledge Science and Technology
Question #305
Which blood group is called the universal recipient?
A. B+
B. AB+
C. A-
D. O+
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Correct Answer: Option B

Explanation:
Individuals with AB+ blood can receive blood from any group.
This question belongs to: Static General Knowledge Science and Technology
Question #306
Which of these is a reptile?
A. Shark
B. Bat
C. Frog
D. Snake
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Correct Answer: Option D

Explanation:
Snakes are cold-blooded reptiles.
This question belongs to: Static General Knowledge Science and Technology
Question #307
What is the study of weather called?
A. Meteorology
B. Geography
C. Astronomy
D. Seismology
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Correct Answer: Option A

Explanation:
Meteorology is the scientific study of the atmosphere and weather.
This question belongs to: Static General Knowledge Science and Technology
Question #308
Which element has atomic number 8?
A. Nitrogen
B. Carbon
C. Fluorine
D. Oxygen
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Correct Answer: Option D

Explanation:
Oxygen has atomic number 8.
This question belongs to: Static General Knowledge Science and Technology
Question #309
What is the largest organ in the human body?
A. Brain
B. Skin
C. Liver
D. Heart
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Correct Answer: Option B

Explanation:
The skin is the largest organ of the human body.
This question belongs to: Static General Knowledge Science and Technology
Question #310
Which type of mirror is used in car rearview mirrors?
A. Convex
B. Concave
C. None
D. Plane
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Correct Answer: Option A

Explanation:
Convex mirrors are used because they provide a wider field of view.
This question belongs to: Static General Knowledge Science and Technology
Question #311
What is the chemical symbol for Potassium?
A. Pt
B. Po
C. P
D. K
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Correct Answer: Option D

Explanation:
The symbol for potassium is K, from the medieval Latin 'kalium'.
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Question #312
Which of these is a primary color?
A. Green
B. Red
C. Orange
D. Yellow
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Correct Answer: Option B

Explanation:
The primary additive colors of light are red, green, and blue.
This question belongs to: Static General Knowledge Science and Technology
Question #313
What is the SI unit of mass?
A. Pound
B. Gram
C. Milligram
D. Kilogram
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Correct Answer: Option D

Explanation:
The kilogram (kg) is the base SI unit of mass.
This question belongs to: Static General Knowledge Science and Technology
Question #314
What is the chemical name of common salt?
A. Sodium chloride
B. Sodium carbonate
C. Calcium chloride
D. Potassium chloride
Discuss
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Correct Answer: Option A

Explanation:
Common salt is sodium chloride.
This question belongs to: Static General Knowledge Science and Technology
Question #315
Which planet is the brightest?
A. Jupiter
B. Saturn
C. Venus
D. Mars
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Correct Answer: Option C

Explanation:
Venus is the brightest planet seen from Earth.
This question belongs to: Static General Knowledge Science and Technology
Question #316
What is the study of sound called?
A. Optics
B. Mechanics
C. Dynamics
D. Acoustics
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Correct Answer: Option D

Explanation:
Acoustics is the branch of physics that deals with sound.
This question belongs to: Static General Knowledge Science and Technology
Question #317
Which part of the brain controls balance?
A. Cerebellum
B. Cerebrum
C. Brainstem
D. Thalamus
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Correct Answer: Option A

Explanation:
The cerebellum is crucial for balance and motor coordination.
This question belongs to: Static General Knowledge Science and Technology
Question #318
What is the SI unit of temperature?
A. Celsius
B. Rankine
C. Fahrenheit
D. Kelvin
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Correct Answer: Option D

Explanation:
The Kelvin (K) is the SI base unit of temperature.
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Question #319
Who is known as the 'Father of Indian Space Research'?
A. Homi Bhabha
B. A.P.J. Abdul Kalam
C. C.V. Raman
D. Vikram Sarabhai
Discuss
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Correct Answer: Option D

Explanation:
Dr. Vikram Sarabhai is regarded as the Father of the Indian Space Programme. He established ISRO.
This question belongs to: Static General Knowledge Science and Technology
Question #320
Chandrayaan-3 mission of ISRO achieved soft landing on which part of the Moon?
A. Equator
B. South Pole
C. North Pole
D. Far Side
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Correct Answer: Option B

Explanation:
Chandrayaan-3 made India the first country to soft-land near the lunar South Pole in 2023.
This question belongs to: Static General Knowledge Science and Technology

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Practice Mix
Who discovered the existence of the atomic nucleus through the famous Gold Foil Experiment?
Excluding institutional stops, a transit bus routes at 60 km/h and including stops it runs at 50 km/h. How many minutes does the bus stop per hour?
Select the most appropriate meaning of the idiom: 'Cloud cuckoo land'.
The 'Mumbai' is located on the:
Laspeyres price index uses weights of: