General Science • Topic Practice Hub
General Science Core Topics (ADRE Questions & PYQ Solutions)
Practice official ADRE solved questions and previous year paper sets for General Science Core Topics. Includes step-by-step solutions and explanations. Explore 37 questions collected from official SLRC ADRE Grade 3 & Grade 4 papers.
Total MCQs
37
Official PYQs
37
Subject
General Science
Format
Bilingual MCQs
Solved MCQs & Official Answer Explanations
ADRE 2024 • 2024 Paper 4Question 1
Which of the following is NOT a non-metallic mineral ?
A.Silica
B.Limestone
C.Bauxite ✓ (Correct)
D.Dolomite
Explanation: Bauxite is a metallic mineral as it is the primary ore of aluminum. Silica, limestone, and dolomite are non-metallic minerals.
ADRE 2024 • 2024 Paper 4Question 2
Which of the following is correct ?
A.Volcano cannot exist underwater.
B.Sea does not have any water current.
C.Almost 70% of earth surface is filled with water. ✓ (Correct)
D.Land mass is almost half of earth’s surface.
Explanation: Water covers approximately 71% (about 70%) of the Earth's surface.
ADRE 2024 • 2024 Paper 4Question 3
Which of the following does saliva in our mouth help to breakdown ?
A.Starch ✓ (Correct)
B.Protein
C.Vitamins
D.Fat
Explanation: Saliva contains the enzyme salivary amylase (ptyalin), which initiates the breakdown of starch into simpler sugars.
ADRE 2024 • 2024 Paper 4Question 4
Which Continents does the Mediterranean Sea lie between ?
A.Asia and Europe ✓ (Correct)
B.Europe and Africa
C.North America and Africa
D.South America and Africa
Explanation: Question dropped in official key (All options accepted). Geographically, it lies between Europe to the north, Africa to the south, and Asia to the east.
ADRE 2024 • 2024 Paper 4Question 5
Which of the following is incorrectly matched ?
A.Class I lever : Pliers
B.Class II lever : Nail cutter
C.Class III lever : Nutcracker ✓ (Correct)
D.Class II lever : Bottle opener
Explanation: A nutcracker has the load between the fulcrum and effort, making it a Class II lever, not Class III.
ADRE 2024 • 2024 Paper 4Question 6
Siachen in Ladakh is an example of :
A.Cold desert
B.Glacier ✓ (Correct)
C.Plateau
D.Snow mountain
Explanation: Siachen is the world's second-longest non-polar glacier, located in the Eastern Karakoram range.
ADRE 2024 • 2024 Paper 5Question 7
What type of horn is permitted in a vehicle in India ?
A.Multitoned horn
B.Electric horn ✓ (Correct)
C.Air horn
D.Any type of horn
Explanation: Under Motor Vehicles Rules in India, standard electric horns are permitted while air and multi-toned horns are prohibited.
ADRE 2024 • 2024 Paper 5Question 8
How long is an applicant required to wait to apply for driving licence after he has obtained the Learner’s Licence ?
A.30 days ✓ (Correct)
B.60 days
C.45 days
D.6 months
Explanation: An applicant can apply for a permanent driving licence after 30 days from the date of issuance of the Learner's Licence.
ADRE 2024 • 2024 Paper 5Question 9
Which of the following is an output device ?
A.Keyboard
B.Speaker ✓ (Correct)
C.Mouse
D.Microphone
Explanation: A speaker outputs audio data to the user, whereas keyboard, mouse, and microphone are input devices.
ADRE 2024 • 2024 Paper 5Question 10
Which of the following items is related to works by Sir Isaac Newton ?
A.Rocket ✓ (Correct)
B.Atom Bomb
C.Semiconductor
D.Automobile
Explanation: Newton's Third Law of Motion (action and reaction) forms the fundamental working principle of rockets.
ADRE 2024 • 2024 Paper 5Question 11
What is the minimum required educational qualification for obtaining driving licence to drive Non Transport Vehicle ?
A.Class VIII Pass
B.Matric Pass
C.Class IX Pass
D.Not Mandatory ✓ (Correct)
Explanation: Educational qualification requirements for driving licenses for non-transport/private vehicles have been removed under the Motor Vehicles Act.
ADRE 2024 • 2024 Paper 5Question 12
The minimum educational qualification required for a bus conductor licence in Assam is __________.
A.Class VIII Pass ✓ (Correct)
B.HSLC Pass
C.Class IX Pass
D.Not mandatory
Explanation: Class VIII pass is the minimum required educational qualification to obtain a bus conductor licence.
ADRE 2024 • 2024 Paper 5Question 13
The maximum age limit to obtain a driving licence in India is ____________.
A.65 years
B.70 years
C.80 years
D.Age, no bar ✓ (Correct)
Explanation: There is no upper age limit set by the Motor Vehicles Act to obtain/renew a driving licence in India, provided fitness criteria are met.
ADRE 2024 • 2024 Paper 5Question 14
The maximum punishment for drunken driving as first offence is __________.
A.Upto 6 months imprisonment
B.` 10,000 /- fine
C.` 10,000 /- fine and upto 6 months imprisonment ✓ (Correct)
D.` 20,000 /- fine
Explanation: First-time offence for drunk driving incurs up to Rs 10,000 fine and/or up to 6 months imprisonment under the MV Act.
ADRE 2024 • 2024 Paper 5Question 15
A yellow coloured number plate on an Indian vehicle indicates :
A.Electric vehicle
B.Commercial vehicle ✓ (Correct)
C.Ambulance
D.Governor’s vehicle
Explanation: A yellow background with black letters indicates a commercial or transport vehicle in India.
ADRE 2024 • 2024 Paper 5Question 16
Which of the following scale is used to measure earthquakes ?
A.Richter Scale ✓ (Correct)
B.Enhanced Fuzita Scale
C.Volumetric Scale
D.Reaumer Scale
Explanation: The Richter Scale measures the magnitude of seismic waves released by earthquakes.
ADRE 2024 • 2024 Paper 5Question 17
The compensation for ‘Hit and Run’ Motor Accident case resulting in death is __________.
A.Rupees One Lakh
B.Rupees Two Lakhs ✓ (Correct)
C.Rupees Two Lakh Fifty Thousand
D.Rupees Fifty Thousand
Explanation: Under the revised provisions of the Motor Vehicles Act, compensation for hit-and-run fatalities has been increased to Rs 2,00,000.
ADRE 2024 • 2024 Paper 5Question 18
A piece of land surrounded by water on three sides is called :
A.Peninsula ✓ (Correct)
B.Island
C.Isthmus
D.Atoll
Explanation: A peninsula is a landform surrounded by water on three sides.
ADRE 2024 • 2024 Paper 5Question 19
After how many days must a newly registered vehicle renew the Pollution Under Control certificate ?
A.1 year ✓ (Correct)
B.2 years
C.6 months
D.3 years
Explanation: A newly registered vehicle comes with a PUC valid for 1 year, after which it must be renewed annually/semi-annually.
ADRE 2024 • 2024 Paper 5Question 20
To drive a Transport vehicle, an applicant must have a Light Motor Vehicle driving licence atleast for how many years ?
A.3 years
B.1 year ✓ (Correct)
C.2 years
D.5 years
Explanation: An applicant must hold an LMV driving licence for at least 1 year prior to applying for a transport vehicle driving licence.
ADRE 2024 • 2024 Paper 5Question 21
Which of the following equipments is mandatory for petrol vehicles of India ?
A.Spare wheel
B.Windshield wipers
C.Catalytic converter ✓ (Correct)
D.GPS tracker
Explanation: Catalytic converters are mandated by Indian vehicular emission norms to convert toxic exhaust gases into less harmless pollutants.
ADRE 2024 • 2024 Paper 5Question 22
Why are Red and Blue lights used in Ambulances ?
A.To alert all drivers, even those with colour blindness
B.Because they look good
C.Red stands for danger and Blue for emergency
D.They can be seen from far ✓ (Correct)
Explanation: Red and blue emergency lights are high-contrast flashing lights designed to be visible from a long distance.
ADRE 2024 • 2024 Paper 5Question 23
The new name for Twitter is :
A.AXE
B.XX
C.EAX
D.X ✓ (Correct)
Explanation: Twitter was rebranded to 'X' by Elon Musk.
ADRE 2022 • 2022 Paper 2Question 24
Which of the following is not in the life-cycle of a butterfly ?
A.Caterpillar ✓ (Correct)
B.Eggs
C.Pupa
D.Tadpole
Explanation: A tadpole is the larval stage in the life cycle of an amphibian, particularly a frog, not a butterfly.[cite: 1]
ADRE 2022 • 2022 Paper 2Question 25
Goitre is caused due to the lack of which of the following in our food ?
A.Calcium ✓ (Correct)
B.Iodine
C.Sodium
D.Iron
Explanation: Goitre is an enlargement of the thyroid gland, typically caused by a deficiency of iodine in the diet.[cite: 1]
ADRE 2022 • 2022 Paper 2Question 26
Which of the following trees is not considered as an example of deciduous vegetation ?
A.Sal ✓ (Correct)
B.Mango
C.Pine
D.Simalu
Explanation: Pine trees are evergreen conifers, not deciduous trees that shed their leaves annually.[cite: 1]
ADRE 2022 • 2022 Paper 4Question 27
Which of the following is not an operating system for Computers ?
A.Windows 11
B.Linux
C.Microsoft Office ✓ (Correct)
D.Ubuntu
Explanation: Microsoft Office is a suite of application software (like Word, Excel), whereas Windows, Linux, and Ubuntu are operating systems that manage computer hardware and software.
ADRE 2022 • 2022 Paper 4Question 28
Which of the following is measured in Carats ?
A.Steel rod
B.Milk fat
C.Saffron
D.Gold ✓ (Correct)
Explanation: Carat is a traditional unit used to measure the purity of gold (where 24-carat is pure gold) and also the mass of gemstones like diamonds.
ADRE 2022 • 2022 Paper 4Question 29
Which branch of study deals with the history of life on Earth as based on fossils ?
A.Palaeontology ✓ (Correct)
B.Archaeology
C.Geology
D.Geomorphology
Explanation: Palaeontology is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene Epoch, primarily relying on the study of fossils.
ADRE 2022 • 2022 Paper 4Question 30
Which instrument is used to measure atmospheric pressure ?
A.Nanometer
B.Barometer ✓ (Correct)
C.Altimeter
D.Hydrometer
Explanation: A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure.
ADRE 2022 • 2022 Paper 4Question 31
Which of the following is not native to India ?
A.Chimpanzee ✓ (Correct)
B.One Horned Rhino
C.Pygmy Hog
D.Leopard
Explanation: Chimpanzees are native to the savannahs and forests of tropical Africa, not India. The other animals are found in the Indian subcontinent.
ADRE 2022 • 2022 Paper 4Question 32
Drones are
A.Interstellar laser weapons
B.Night vision binoculors
C.Crawling land mine detectors
D.Unmanned ariel vehicles ✓ (Correct)
Explanation: Drones are commonly referred to as Unmanned Aerial Vehicles (UAVs) since they operate without a human pilot onboard.
ADRE 2022 • 2022 Paper 5Question 33
Which of the following is a output device for a computer ?
A.Mouse ✓ (Correct)
B.Speaker
C.Microphone
D.Keyboard
Explanation: A speaker is an output device that converts digital audio signals into sound. Mouse, microphone, and keyboard are input devices[cite: 1].
ADRE 2022 • 2022 Paper 5Question 34
In which part do plants produce their food ?
A.Roots ✓ (Correct)
B.Leaf
C.Trunk
D.Bark
Explanation: Plants produce their food primarily in their leaves through the process of photosynthesis, utilizing sunlight, water, and carbon dioxide[cite: 1].
ADRE 2022 • 2022 Paper 5Question 35
An adult human being has a normal body temperature in the range of
A.36.1 °F – 37.2 °F ✓ (Correct)
B.36.1 °C – 37.1 °C
C.97 °C – 99 °C
D.48 °F – 51 °F
Explanation: The normal body temperature for a typical adult human ranges between 36.1 °C and 37.2 °C (which translates to about 97 °F to 99 °F)[cite: 1].
ADRE 2022 • 2022 Paper 5Question 36
Which amongst the following is the largest unit of computer storage ?
A.Gigabyte ✓ (Correct)
B.Terabyte
C.Megabyte
D.Kilobyte
Explanation: Among the given options, Terabyte (TB) is the largest. 1 TB = 1024 Gigabytes (GB), 1 GB = 1024 Megabytes (MB), and 1 MB = 1024 Kilobytes (KB)[cite: 1].
ADRE 2022 • 2022 Paper 5Question 37
Which of the following is the name of the optical telescope in space ?
A.XMM-Newton ✓ (Correct)
B.Galileo probe
C.Hubble Space Telescope
D.Edison Telescope
Explanation: The Hubble Space Telescope is a large space-based optical telescope that was launched into low Earth orbit in 1990[cite: 1].
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