Everyday Science MCQs

Option A: Provide insulation for preserving body heat

Option B: Provide striking surface to the wings for flying

Option C: Make the body surface waterproof

Option D: impart coloration for species as well as sex recognition

Correct Answer: Provide striking surface to the wings for flying ✔

Option A: A device which when attached to an aircraft makes it invisible on the radar

Option B: A coating which reduces the visibility of an aircraft on radar

Option C: A Technology by which it is possible for the aircraft’s to spy in the enemy air-space

Option D: A technology by using which paratroopers can be dropped stealthily behind the enemy columns.

Correct Answer: A coating which reduces the visibility of an aircraft on radar ✔

Option A: Ultraviolet Waves

Option B: Ultrasonic Waves

Option C: Electromagnetic Waves

Option D: Special Retina

Correct Answer: Ultrasonic Waves ✔

Option A: Carbon dioxide

Option B: Carbon monoxide

Option C: Carbon tetrachloride

Option D: None of the above

Correct Answer: Carbon dioxide ✔

Option A: the strength of T.V. waves is very limited

Option B: picture cannot be transmitted clearly after a specific distance

Option C: the shape of the earth is spherical

Option D: the air is not a good conductor of light and sound/waves

Correct Answer: the shape of the earth is spherical ✔

Option A: 60%

Option B: 65%

Option C: 72%

Option D: 80%

Correct Answer: 80% ✔

Option A: Mesosphere

Option B: Troposphere

Option C: Stratosphere

Option D: ionosphere

Correct Answer: Stratosphere ✔

Option A: One tenth

Option B: One fifth

Option C: One fourth

Option D: One third

Correct Answer: One tenth ✔

Option A: Of refraction

Option B: It is cooler at sunrise and at sunset

Option C: Of diffraction leading to red end of the spectrum reaching the earth.

Option D: Of Scattering of light due to dust particles and air molecules.

Correct Answer: Of Scattering of light due to dust particles and air molecules. ✔

Option A: The mass of the astronaut is reduced to zero

Option B: Gravity inside the spacecraft ceases to act

Option C: The astronaut is outside the influence of the earth’s gravitational force

Option D: The astronaut and the spacecraft are both in a free-failing state

Correct Answer: The astronaut and the spacecraft are both in a free-failing state ✔

Option A: At the bottom

Option B: ln the middle pan

Option C: At the top surface

Option D: Uniformly throughout the water body

Correct Answer: At the top surface ✔

Option A: Selective absorption of light

Option B: Selective re ection of light

Option C: Sinterference of light

Option D: Natural colour pattern of feathers

Correct Answer: Selective absorption of light ✔

Option A: 140-150

Option B: 115-125

Option C: 72-80

Option D: 60

Correct Answer: 72-80 ✔

Option A: Eye is unable to adjust itself immediately

Option B: Retina becomes insensitive momentarily

Option C: Iris is unable to dilate the pupil immediately

Option D: Distance between the lens and retina take time to adjust

Correct Answer: Iris is unable to dilate the pupil immediately ✔

Option A: Lens

Option B: Film

Option C: Aperture

Option D: Shutter

Correct Answer: Film ✔

Option A: First cloned sheep

Option B: First cloned monkey

Option C: First test-tube baby

Option D: First human fossil

Correct Answer: First cloned sheep ✔

Option A: Brucine

Option B: Caffeine

Option C: Phenylalanine

Option D: Theine

Correct Answer: Caffeine ✔

Option A: Kidney failure

Option B: Heart weakness

Option C: Brain diseases

Option D: None of these

Correct Answer: Kidney failure ✔

Option A: Brain

Option B: Heart

Option C: Kidneys

Option D: Lungs

Correct Answer: Heart ✔

Option A: Convex lens

Option B: Concave lens

Option C: Convex-concave lens

Option D: Concave-convex lens

Correct Answer: Concave lens ✔

Option A: Liver

Option B: Eyes

Option C: Lungs

Option D: Kidneys

Correct Answer: Eyes ✔

Option A: Ears

Option B: Eyes

Option C: Lungs

Option D: Brain

Correct Answer: Eyes ✔

Option A: Lungs

Option B: Blood

Option C: Skin

Option D: Nerves

Correct Answer: Blood ✔

Option A: Heart

Option B: Brain

Option C: Liver

Option D: Sex organ

Correct Answer: Brain ✔

Option A: Small pox

Option B: Tuberculosis

Option C: Malaria

Option D: Cholera

Correct Answer: Small pox ✔

Option A: Heart

Option B: Lungs

Option C: Spleen

Option D: Kidneys

Correct Answer: Spleen ✔

Option A: A

Option B: AB

Option C: B

Option D: O

Correct Answer: A ✔

Option A: 50

Option B: 70

Option C: 80

Option D: 100

Correct Answer: 70 ✔

Option A: Vitamin B

Option B: Vitamin C

Option C: Vitamin A

Option D: Vitamin D

Correct Answer: Vitamin A ✔

Option A: Carbohydrates

Option B: Fats

Option C: Proteins

Option D: Vitamins

Correct Answer: Fats ✔

Option A: Pancreas

Option B: Thyroid

Option C: Pituitary

Option D: Spleen

Correct Answer: Pituitary ✔

Option A: 206

Option B: 230

Option C: 280

Option D: 300

Correct Answer: 300 ✔

Option A: Thyroid

Option B: Liver

Option C: Pancreas

Option D: None of these

Correct Answer: Liver ✔

Option A: O

Option B: AB

Option C: A

Option D: B

Correct Answer: O ✔

Option A: Lachrymal

Option B: Pituitary

Option C: Thyroid

Option D: Pancreas

Correct Answer: Lachrymal ✔

Option A: Transportation of oxygen

Option B: Destruction of bacteria

Option C: Prevention of anemia

Option D: Utilization of energy

Correct Answer: Transportation of oxygen ✔

Option A: To control blood pressure

Option B: To control body temperature

Option C: To remove waste product from the body

Option D: To help in digestion of food

Correct Answer: To remove waste product from the body ✔

Option A: Chlorine

Option B: Iron

Option C: Calcium

Option D: None of these

Correct Answer: Iron ✔

Option A: Calcium carbonate

Option B: Calcium phosphate

Option C: Calcium sulphate

Option D: Calcium nitrate

Correct Answer: Calcium phosphate ✔

Option A: Skull

Option B: Arm

Option C: Leg

Option D: Face

Correct Answer: Leg ✔

Option A: Medulla oblongata

Option B: Cerebellum

Option C: Cerebrum

Option D: None of these

Correct Answer: Cerebrum ✔

Option A: 210

Option B: 260

Option C: 206

Option D: 300

Correct Answer: 206 ✔

Option A: Liver

Option B: Bone marrow

Option C: Kidneys

Option D: Heart

Correct Answer: Bone marrow ✔

Option A: 5-6 liters

Option B: 3-4 liters

Option C: 8-10 liters

Option D: 10-12 liters

Correct Answer: 5-6 liters ✔

Option A: Vitamin B1

Option B: Vitamin B2

Option C: Vitamin D

Option D: Vitamin K

Correct Answer: Vitamin K ✔

Option A: 81.1 °C

Option B: 37.0 °C

Option C: 98.6 °C

Option D: 21.7 °C

Correct Answer: 37.0 °C ✔

Option A: Small intestine

Option B: Stomach

Option C: Liver

Option D: Large intestine

Correct Answer: Small intestine ✔

Option A: Strongly attracted by a magnet

Option B: Not attracted by a magnet

Option C: not a magnet

Option D: Weakly attracted by a magnet

Correct Answer: Strongly attracted by a magnet ✔

Option A: Diatonic scale

Option B: Fahrenheit Scale

Option C: Richter scale

Option D: Celsius Scale

Correct Answer: Richter scale ✔

Option A: Convex lens

Option B: Concave lens

Option C: Cylindrical lens

Option D: Plano convex lens

Correct Answer: Concave lens ✔

Option A: 25 miles per sec

Option B: 60 miles per sec

Option C: 7 miles per sec

Option D: 10 miles per sec

Correct Answer: 7 miles per sec ✔

Option A: Current

Option B: Voltage

Option C: Nuclear Radiation

Option D: power

Correct Answer: Nuclear Radiation ✔

Option A: increasing focal length of the lens

Option B: Decreasing focal length of the lens

Option C: Lens of large aperture

Option D: lens of short aperture

Correct Answer: Decreasing focal length of the lens ✔

Option A: Trench

Option B: Mariana Trench

Option C: Mangrove

Option D: Groove

Correct Answer: Trench ✔

Option A: Reflection of light

Option B: Polarization of light

Option C: refraction of light

Option D: Interference of light

Correct Answer: refraction of light ✔

Option A: Area

Option B: Time

Option C: Distance

Option D: mass

Correct Answer: None of these ✔

Option A: Honey

Option B: Water

Option C: Milk

Option D: olive oil

Correct Answer: Milk ✔

Option A: 0 ‘C

Option B: 37 ‘

Option C: Room Temperature

Option D: Temperature of the place where it is kept

Correct Answer: Temperature of the place where it is kept ✔

Option A: Zn + Ni

Option B: Cu + Zn

Option C: Cu + Ni

Option D: Cu + Sn

Correct Answer: Cu + Ni ✔

Option A: North pole

Option B: South pole

Option C: middle of the earth

Option D: Equator

Correct Answer: South pole ✔

Option A: Energy

Option B: Time

Option C: Power

Option D: Distance

Correct Answer: Distance ✔

Option A: Chemical Reaction

Option B: Nuclear reaction

Option C: Fission nuclear reaction

Option D: Fusion nuclear reaction

Correct Answer: Fusion nuclear reaction ✔

Option A: red waves

Option B: Infrared waves

Option C: Ultrasonic

Option D: super sonic

Correct Answer: Ultrasonic ✔

Option A: 6 feet

Option B: 12 feet

Option C: 4 feet

Option D: 3 feet

Correct Answer: 3 feet ✔

Option A: Visible

Option B: Transparent

Option C: Invisible

Option D: opaque

Correct Answer: Visible ✔

Option A: pitch

Option B: Frequency

Option C: Time period

Option D: Quality

Correct Answer: pitch ✔

Option A: 1120 ft

Option B: 120 ft

Option C: 56 ft

Option D: 100 ft

Correct Answer: 56 ft ✔

Option A: Conductor

Option B: Non-Conductor

Option C: Semi- Conductor

Option D: Not a solid while iron is a solid

Correct Answer: Conductor ✔

Option A: Conduction

Option B: Convection

Option C: Radiation

Option D: Reflection

Correct Answer: Radiation ✔

Option A: Steel can be saved

Option B: Accidents due to contraction in winter can be avoided

Option C: Air gaps are necessary for bearing the weight of running train

Option D: Accidents due to expansion in summer can be avoided

Correct Answer: Accidents due to expansion in summer can be avoided ✔

Option A: Al-Qanun

Option B: Al-Masudi

Option C: New Renaissance

Option D: Tadhkira

Correct Answer: Al-Qanun ✔

Option A: Parasite

Option B: Scavenger

Option C: Predator

Option D: Mammal

Correct Answer: Predator ✔

Option A: Seedless fruits

Option B: Parthenogenesis fruits

Option C: Parthenocarpic fruits

Option D: placental fruits

Correct Answer: Parthenocarpic fruits ✔

Option A: Photoelectric effect

Option B: Stark effect

Option C: Thermionic effect

Option D: Piezo-electric effect

Correct Answer: Piezo-electric effect ✔

Option A: Glaciers

Option B: Desert

Option C: Islands

Option D: Volcanoes

Correct Answer: Desert ✔

Option A: Carbon dioxide

Option B: Sugar

Option C: Bacteria

Option D: Oxygen

Correct Answer: Carbon dioxide ✔

Option A: Ionosphere

Option B: Troposphere

Option C: Mesosphere

Option D: Stratosphere

Correct Answer: Ionosphere ✔

Option A: Infra-red

Option B: Ultraviolet

Option C: X-rays

Option D: Gamma rays

Correct Answer: Ultraviolet ✔

Option A: Manganese

Option B: Magnesium

Option C: Gypsum

Option D: Bauxite

Correct Answer: Gypsum ✔

Option A: Porous

Option B: Hard

Option C: Rough

Option D: Brittle

Correct Answer: Porous ✔

Option A: Accelerate the neutrons

Option B: Slow down the speed of the neutrons

Option C: Increase the number of elections

Option D: Decrease the number of electrons

Correct Answer: Slow down the speed of the neutrons ✔

Option A: Exosphere

Option B: Ionosphere

Option C: Troposphere

Option D: Stratosphere

Correct Answer: Ionosphere ✔

Option A: Uranium Oxide

Option B: Uranium Plutonium carbide

Option C: Uranium Plutonium Oxide

Option D: Uranium thorium Oxide

Correct Answer: Uranium Plutonium Oxide ✔

Option A: Seasonal reversal of winds

Option B: Revolution of earth

Option C: Movement of clouds

Option D: Rise in temperature

Correct Answer: Seasonal reversal of winds ✔

Option A: Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.

Option B: Turning a star from white to blue

Option C: In future sun would become blue

Option D: Black hole was blue at its start

Correct Answer: Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object. ✔

Option A: 4 days

Option B: 12 days

Option C: 16 days

Option D: 8 days

Correct Answer: 8 days ✔

Option A: 2

Option B: 3

Option C: 0

Option D: 4

Correct Answer: 0 ✔

Option A: In asteroid belt between the orbits of Mars and Jupiter

Option B: In asteroid belt between the orbits of Mars and Venus

Option C: In asteroid belt between the orbits of Jupiter and Venus

Option D: Everywhere in the sky

Correct Answer: In asteroid belt between the orbits of Mars and Jupiter ✔

Option A: Optical fiber

Option B: Transistor

Option C: Decoder

Option D: Photo diode

Correct Answer: Photo diode ✔

Option A: Size of the earth in relation to that of moon

Option B: Orbit of moon around earth

Option C: Direction of rotation of earth around sun

Option D: Area of the sun covered by the moon

Correct Answer: Area of the sun covered by the moon ✔

Option A: Troposphere

Option B: Ionosphere

Option C: Mesosphere

Option D: Stratosphere

Correct Answer: Ionosphere ✔

Option A: Carbon

Option B: Gold

Option C: Silver

Option D: Platinum

Correct Answer: Carbon ✔

Option A: Aphelion

Option B: Perihelion

Option C: Perigee

Option D: Apogee

Correct Answer: Aphelion ✔

Option A: Altering human beings by changing their genetic components

Option B: People of European region

Option C: Different races of mankind

Option D: Genetic of plants

Correct Answer: Altering human beings by changing their genetic components ✔

Option A: Orion

Option B: Columbia

Option C: Canis Major

Option D: Taurus

Correct Answer: Orion ✔

Option A: 88 days

Option B: 365 days

Option C: 2 years

Option D: 98 days

Correct Answer: 88 days ✔

Option A: Steel

Option B: Rubber

Option C: Glass

Option D: Sponge

Correct Answer: Steel ✔

Option A: Copper and Zinc

Option B: Tin and Zinc

Option C: Copper and Tin

Option D: Iron and Zinc

Correct Answer: Copper and Tin ✔

Option A: Speed of sound

Option B: Density of milk

Option C: Humidity of air

Option D: Specific gravity of liquids

Correct Answer: Humidity of air ✔

Option A: Sodium Nitrate

Option B: Dilute acetic acid

Option C: Chloride of lime

Option D: Calcium

Correct Answer: Dilute acetic acid ✔