General Science Ability MCQs 2024
1- On 11 February 2016 The LIGO Scientific Collaboration announced the detection of _____
A- electromagnetic waves
B- seismic waves
C- gravitational waves
D- radio waves
2- The SI unit of charge is __________.
A- Ampere
B- Coulomb
C- Ohm
D- Volt
3- Very High Frequency (VHF) have __________ wavelengths.
A- shorter
B- shortest
C- longer
D- longest
4- Long-sight defect could be corrected by using __________ lens.
A- concave
B- convex
C- diverging
D- none of these
5- Deficiency of Vitamin-A results in __________.
A- night blindness
B- rickets
C- scurvy
D- hair fall
6- For a fixed mass of gas at constant temperature, if we decrease volume, the pressure will _________.
A- also decrease
B- increase
C- remains constant
D- none of these
7- The lifespan of Red Blood Cells is __________ days.
A- 60
B- 120
C- 180
D- 240
8- The density of water is __________.
A- 1 g/cm3
B- 1.5 g/cm3
C- 2 g/cm3
D- none of these
9- Radioactivity was discovered by __________.
A- Kelvin
B- Thomson
C- Rutherford
D- Becquerel
10- A device which converts chemical energy into electrical energy is called __________.
A- motor
B- generator
C- moving-coil meter
D- battery
11- The Sun is a __________.
A- Star
B- Planet
C- Asteroid
D- Meteor
12- The average adult has a blood volume of about __________ litres.
A- 4
B- 5
C- 6
D- 7
13- The most abundant element in the universe is __________.
A- Oxygen
B- Hydrogen
C- Carbon Dioxide
D- Silicon
14- The most abundant element in the Earth’s crust is __________.
A- Oxygen
B- Hydrogen
C- Carbon Dioxide
D- Silicon
15- Each day human body breathe in __________ liters of air.
A- 5,000 to 10,000
B- 10,000 to 15,000
C- 15,000 to 20,000
D- 20,000 to 25,000
16- Deficiency of Vitamin-D results in __________.
A- night blindness
B- rickets
C- scurvy
D- hair fall
17- The SI unit of “pressure” is _________.
A- pascal
B- joule
C- tesla
D- henry
18- The most densest substance on the Earth is __________.
A- Platinum
B- Copper
C- Steel
D- Osmium
19- A camera uses a __________ to form an image.
A- convex lens
B- concave lens
C- condenser lens
D- none of these
20- Which of the following is NOT a conductor?
A- Aluminium
B- Silicon
C- Graphite
D- All are conductors
21- CNG stands for?
A- Converted Natural Gas
B- Conduced Natural Gas
C- Conducted Natural Gas
D- Compressed Natural Gas
22= Which of the following is true for “Sound”?
A- Sound cannot travel through a vacuum
B- Sound cannot travel through gases
C- Sound cannot travel through liquids
D- Sound cannot travel through solids
23- When white light is passed through a prism, it splits into __________ colours.
A- 5
B- 6
C- 7
D- 8
24- 1 nanometer = ?
A- 10-3 meter
B- 10-6 meter
C- 10-9 meter
D- 10-12 meter
25- Instrument used for measuring very high temperature is __________.
A- Pyroscope
B- Pyrometer
C- Seismograph
D- Xylometer
26- Sound waves are _________ waves.
A- Transverse
B- Electromagnetic
C- Longitudinal
D- none of these
27- The lifespan of White Blood Cells is __________ day(s).
A- 1
B- 2
C- 3
D- 4
28- The fluid part of blood is known as __________.
A- plasma
B- platelets
C- blood cells
29- X-rays were discovered by __________.
A- Rontgen
B- Thomas
C- Rutherford
D- Becquerel
30- The speed of light is __________.
A- 280,000 km/s
B- 300,000 km/s
C- 320,000 km/s
D- none of these
31- During winter in cold countries, the __________ is mixed to melt the ice on the icy A- roads.
B- Salt
C- Chlorine
D- Carbon dioxide
E- Water
32- In a very low temperature which from the following will freeze at last?
A- River water
B- Canal water
C- Sea water
D- Water in a lake
33- The nearest planet to the Earth is _________.
A- Venus
B- Mercury
C- Mars
D- Moon
34- The planet that moves around the Sun at the highest speed is?
A- Jupiter
B- Venus
C- Mars
D- Mercury
35- In general, Comets have __________ orbits.
A- Elliptical
B- Highly elliptical
C- Circular
D- Parabolic
36- GPS is an abbreviation for?
A- Global Poles System
B- Global PolySiliconium Store
C- Global Positioning System
D- Global Position Structure
37- Oxidation is a chemical reaction involving the __________.
A- Gain of Electrons
B- Loss of Electrons
C- Gain of Protons
D- Loss of Protons
38- At night, Plants intake __________ and release __________.
A- Oxygen – Carbon dioxide
B- Carbon dioxide – Oxygen
C- Oxygen – Carbon monoxide
D- Carbon monoxide – Oxygen
39- Urine is produced in __________.
A- Kidneys
B- Lungs
C- Large intestine
D- Liver
40- Blood is cleaned by __________.
A- Lungs
B- Liver
C- Heart
D- Kidneys
41- The position of an element in the Periodic Table is determined by its __________ number.
A- Electron
B- Proton
C- Neutron
D- Positron
42- The salinity of seawater is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.
A- 1 gram
B- 10 grams
C- 1 kg
D- 10 kg
43- The planet which is easily visible from the Earth is?
A- Mercury
B- Venus
C- Mars
D- Jupiter
44- The Great Spot is on the planet __________.
A- Saturn
B- Venus
C- Mars
D- Jupiter
45- The Great Spot is a __________.
A- Mountain
B- Desert
C- Frozen Carbon dioxide
D- Storm
46- The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.
A- Mars
B- Saturn
C- Uranus
D- Jupiter
47- 1 light year = ?
A- 9.5×106 km
B- 9.5×109 km
C- 9.5×1012 km
D- 9.5×1018 km
48- The planets visible to us without using a telescope are __________.
A- 3
B- 4
C- 5
D- 6
49- According to Big Bang Theory, the Universe began about __________ billion years ago.
A- 10 – 20
B- 20 – 30
C- 30 – 40
D- 40 – 50
50- Biosensor is used to measure?
A- Blood glucose level
B- The body pH value
C- Amount of haemoglobin
D- Salinity in Urine
51- Einstein’s famous equation which states that mass and energy are interchangeable is?
A- E = mc2
B- E = cm2
C- M = ec2
D- M = ce2
52- The SI unit of electric current is?
A- Columb
B- Ampere
C- Volt
D- Watt
53- The principal constituent of the atmosphere of the Earth is?
A- Oxygen
B- Carbon
C- Hydrogen
D- Nitrogen
54- What is Dry Ice?
A- Solid Oxygen
B- Solid Carbon Dioxide
C- Solid Hydrogen
D- Solid Nitrogen
55- What are the primary colours?
A- White, Black, Blue
B- Red, Yellow, Blue
C- Red, Orange, Blue
D- Red, Green, Blue
56- Digestion of food is completed in the __________.
A- small intestine
B- large intestine
C- stomach
D- Liver
57- Carrot is the good source of Vitamin?
A- A
B- B complex
C- C
D- D
58- For proper formation of teeth, __________ is essential.
A- iodine
B- copper
C- fluorine
D- iron
59- Deficiency of __________ causes loss of appetite and poor growth.
A- zinc
B- iodine
C- copper
D- iron
60- Meteorology is the study of?
A- seasons
B- atmosphere
C- air and sounds
D- winds and clouds
61- The Carbon Dioxide in the atmosphere, by volume, is
A- 0.039%
B- 3.9%
C- D- 13%
30%
62- Diamond is an allotropic form of
A- Carbon
B- Hydrogen
C- Nitrogen
D- Silicon
63- The SI unit of Heat is
A- Watt
B- Volt
C- Joule
D- Newton
64- The good sources of Vitamin-A are
A- green leafy vegetables
B- seeds
C- fresh vegetables and fruits
D- sea foods
65- The good sources of Vitamin-B Complex are
A- green leafy vegetables
B- seeds
C- fresh vegetables and fruits
D- sea foods
66- The good sources of Vitamin-C are
A- green leafy vegetables
B- seeds
C- fresh vegetables and fruits
D- sea foods
67- The good sources of iodine are
A- green leafy vegetables
B- seeds
C- fresh vegetables and fruits
D- sea foods
68- The gas, commonly known as “laughing gas”, is
A- Cabon Dioxide
B- Sulfur Dioxide
C- Nitrous Oxide
D- Sodium Oxide
69- The source of oxygen in photosynthesis is
A- water
B- salts
C- minerals
D- glucose
70- The instrument used to measure wind speed is
A- Anemometer
B- Barometer
C- Hydrometer
D- Hygrometer
71- The natural fats and oils are composed of
A- Carbon, Hydrogen and Oxygen
B- Carbon, Hydrogen and Nitrogen
C- Carbon, Oxygen and Nitrogen
D- Hydrogen, Oxygen and Nitrogen
72- The energy value of food is measured in
A- Joule
B- Calories
C- Tesla
D- Proteins
73- Wind energy is the __________ energy.
A- Potential
B- Transverse
C- Kinetic
D- Mechanical
74- Who is considered the founder of meteorology?
A- Aristotle
B- Plato
C- Einstein
D- Newton
75- Water covers __________ of the Earth’s surface.
A- 60%
B- 65%
C- 70%
D- 75%
76- In general, wind speed of 105–137 caused
A- minor or no damage
B- considerable damage
C- severe damage
D- extreme damage
77- Acid rain is mainly caused by emissions of __________ in the atmosphere.
A- Sulphur Dioxide and Potassium Nitrate
B- Sulphur and Charcoal
C- Nitrogen Oxide and Potassium Nitrate
D- Sulphur Dioxide and Nitrogen Oxide
78- About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is
A- Oxygen
B- Cabon Dioxide
C- Silicon
D- Clay
79- The fourth state of matter is
A- Water
B- Salts
C- Vapours
D- Plasma
80- The device used to convert Alternate Current into Direct Current is called
A- Anemometer
B- Battery
C- Galvanometer
D- Rectifier
81- In night, when photosynthesis is stopped, plants
A- take in Carbon Dioxide
B- take in Oxygen
C- give off Carbon Dioxide
D- Give off Oxygen
82- During photosynthesis, plants
A- take in Carbon Dioxide
B- take in Oxygen
C- give off Carbon Dioxide
D- give off Oxygen
83- __________ are called the powerhouses of the cell.
A- Mitochondria
B- Vesicles
C- Lungs
D- Liver
84- Mitochondria contain their own supply of
A- DNA
B- Amino acids
C- Vitamins
D- Oxygen
85- The first chemical explosive, Gunpowder, is a mixture of
A- Sulphur, Charcoal and Nitrogen Oxide
B- Sulphur, Charcoal, and Potassium Nitrate
C- Sulphur and Charcoal
D- Charcoal and Potassium Nitrate
86- The number of oscillations per second is called the
A- hertz
B- waves
C- pitch
D- frequency
87- Sound waves from a loudspeaker are caused by
A- frequency
B- vibrations
C- pitch
D- amplitude
88- The guitar has __________ strings.
A- 4
B- 5
C- 6
D- 7
89- The device used to measure movements of the heart is
A- Cardiograph
B- Seismograph
C- Hydrometer
D- Hygrometer
90- The unit used to measure ‘Pressure’ is
A- pascal
B- newton
C- watt
D- tesla
91- There are __________ methods of heat transfer.
A- 3
B- 4
C- 5
D- 6
92- Which of the following is NOT a method of heat transfer?
A- Conduction
B- Convection
C- Radiation
D- All are methods of heat transfer
93- If we heat one end of a metallic rod, the other end gets hot. The method of heat transfer is
A- Conduction
B- Convection
C- Radiation
D- None of these
94- A person seated in front of a fire receives heat by
A- Conduction
B- Convection
C- Radiation
D- None of these
95- The unit used to measure ‘magnetic flux’ is
A- pascal
B- farad
C- weber
D- henry
96- Battery was invented by
A- Volta
B- Hero
C- Fermi
D- Maiman
97- The most abundant element in the earth’s crust is oxygen. The second most abundant element in the earth’s crust is
A- Hydrogen
B- Nitrogen
C- Brass
D- Silicon
98- The nearest planet to the Sun is
A- Mercury
B- Venus
C- Mars
D- Jupiter
99- Bronze is an alloy of
A- Iron, Carbon
B- Copper, Tin
C- Nickel, Zinc
D- Mercury, Lead
100- Molecules with identical molecular formulae but with different structural formulae are called
A- Isotopes
B- Isomers
C- Electrode
D- Compound
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