- Which mammals are the biggest eyes? - The deer
- Today is the country that contributes to the maximum emission of carbon dioxide (CO2)? - United States
- What is the use of Asbestos? – Electrical Insulation on hot plate wiring
- Who invented the electric press? - Henry W. Seeley
- In the pressure cooker, food gets cooked fast, because? Pressure inside the pressure cooker is high
- Boiling point of water on pressure - Increase
- ‘For every action, there is an equal and opposite reaction.' This is Newton's - third rule
- What is the enemy element of copper? - Sulphur
- When the sun rises, the sun appears red, because? – Due to least scattering of red color light
- Who discovered the radioactivity? - Henry Becquerel
- Two plane mirrors are placed at angle of 60 °. What is the number of images formed in a ball between them? – Five (Number of Images = 360/A – 1 =360/60-1= 5)
- How does a bubble of air behave in the water? - A concave lens
- What is the unit of specific gravity? – It is Unitless
- If a person is coming from the speed of 4 meter / second towards the plane mirror, then what would be the speed of man's reflection in the mirror? - 8 meters / second
- Which mirror is located next to the driver's seat in cars, trucks and buses? - Convex mirror
- Which elements have the properties of both metals and non-metals are found? - Metalloids
- Who is the father of botanical science? - Theophrastus
- A man standing on his stool, spread his arm. He suddenly shrinks the arm, then the angular velocity of the stool - will increase
- A bomb explodes on the Moon. Its voice on earth - will not be heard
- The reason for the absence of the atmosphere on the moon - Low escape velocity
- If the length of a simple pendulum is increased by 4%, then its frequency - 2% will increase
- A girl is swinging swing. If another girl comes and sit down with her, then the rotation period of the swing - will remain unchanged
- We listen to the programs of different stations by rotating the radio antenna. This is possible - due to resonance
- What do you know from 'Venturi meter'? - Water flow rate
- The ball keeps dancing in the water fountain on the intersections, because - the speed of the water decreases the pressure
- If the earth is shrunk to its current radius, without the change of the mass, then the day will be - 12 hours
- To find time in satellite, what should the astronaut use? - Spring clock
- If the radius of the earth decreases by 1%, but if the mass remains the same, the gravitational acceleration of the Earth's plane - 2% will decrease
- What is the measure of pressure? - Pascal
- The cooking utensil should be - the low conductivity of high specific heat
- When water falls from the height of the waterfall, its temperature - increases
- The melting point of the ice in the Kelvin thermometer is -0 ° K
- The word 'Botany' is derived from which word? - Greek
- Curie is the name of whose unit? - Radioactive
- Which color wavelength is the lowest? - Violet
- If the door of the refrigerator placed in the room is opened then the room temperature will - increase
- How many colors are there in the rainbow? - Seven colors
- What is the period of 'second pendulum'? - 2 seconds
- Where is the 'Indian Institute of Science'? - in Bangalore
- The speed of ultrasonic aircraft is more - than the speed of sound
- Geostationary satellite has an elevation from Earth - 35,680 kilometers
- Kerosene oil does not contain oxygen.
- Who is administered the oath of medical students? - Hippocrates
- What is the purpose of the radiator in the car? - Keep the engine cool
- Humans have body temperature - 37 ° C
- People suffering from Long sightedness - near objects do not appear
- If the size of the printed letters increases with increasing lens on top of the book, then the lens is convex
- If the letter size is smaller than a lens, then the lens is concave
- Stars twinkle - due to atmospheric refraction
- Neutron is a Subatomic particle.
- The internal structure of plants is called the study - Anatomy
- Which colors is the most refractive index -Violet
- The depth of the pond filled with clean water appears to be 3 meters. If the refractive index of water relative to air is 4/3, what will be the actual depth of the pond? - 4 meters
- What is the unit of optical power of the lens ? - Dioptre
- The functionality of radar is based on the principle - Reflection of radio wave
- What is the characteristic of any body, from which it opposes any change in the straight line break or the position of uniform motion? - Inertia
- Laser works on the principle – Laser Amplification is stimulated Emission.
- A person trapped in a swamp is advised to lie down, because? - Having more area reduces pressure
- When the pieces of ice are pressed together, the pieces stick together, because? – High Pressure and Low Melting Point
- What principle does the cooling system operate in a motor car? - Convection only
- Disintegration of proteins into amino acids processes in the body of living beings is the digestive process.
- What type of electromagnetic radiation is used for remote control in a television? - Hertz or short radio waves
- Methane in atmosphere present on which planet? - Jupiter
- What is the enzyme in protein digestion? – Trypsin Enzym
- In those countries where the main food grains are polished rice, people suffer? - Berry-Berry
- What acid collect in Muscles causes tiredness? - Lactic acid
- Light year- Distance traveled by light in one year
- Which instrument is used to measure the depth of the ocean? - Fathometer
- Which element computer's IC chips are made of? - of Silicon
- The hypothetical line that falls on the circular mirror passing through focus and pole, is it called? - Main axis
- If the focus of an object falls on a concave mirror, how will its shadows become? - Infinite
- The metal that carries with hydrogen to act with acid and base - Zinc
- Who first used the word biology? - Lamarck and Treviraness
- SI unit of Work - Joule
- Light Year is SI unit of – astronomical distance
- The atoms have same number of protons or same atomic number is called - Element
- When two or more elements indefinite proportion joined by chemical bond into a molecule is called - Compound
- The fluctuation in the frequency of a wave source is called? - Doppler Effect
- What is the number of vibrations in a second, is that number called? - Frequency
- The speed of sound in the air is 332 meters / second. If the pressure is increased to two times, what will be the speed of sound? - 332 m / s
- Parsec is the unit of – astronomical length of object
- Lead is metal but it is good conductor of electricity.
- In a balloon there are equal amounts of hydrogen and oxygen gas. If a hole is made in the balloon - hydrogen gas will release faster
- Small pieces of camphor dance on the surface of water - due to Surface Tension
- What is the maximum water density? - At 4 ° C
- If two satellites rotate in the same circular orbit, then their velocity will be equal
- If a packet is left from a satellite orbiting the Earth - then the packet will rotate the earth with satellite moving on orbit.
- Ammonia is a compound.
- The SI unit of the young elasticity coefficient is - N / M2.
- Candela is a unit of - light intensity
- Water is a compound because - there are two different elements associated with chemical bonds.
- The science of which is related to the study of living beings - biology
- Whose study is done in phycology? - Algae
- Joule is the unit of - energy
- When was the international method of quantities implemented? - 1971 AD
- Bat flies in the dark, because bats produce ultraviolet waves.
- Skating in the snow demonstrates that ,ice melting point on increasing pressure - Decreases
- Stainless steel is an alloy, while the air is a - mixture
- The study of environment is done under which branch of biology? - Ecology
- What is the science of flower cultivation? - Floriculture
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