Top most general science questions asked in government exam

Here is some general science questions asked in government exam like bank po, SSC, Grup c etc.

  • The medicine ephedrin used in the treatment of cough, asthma and bronchitis, from where is obtained? – Ephedra
  • A particle is executing S.H.M. Then what is the graph of acceleration as a function of displacement? – Hyperbola 
  • An atom has 7 electrons in its M-shell and contains 18 neutrons in its nucleus. What is its mass number? – 35
  • Which metal is extracted by thermal reduction process? – Copper
  • An ideal liquid flows through a horizontal tube of variable diameter. The pressure is lowest and what will be velocity? – Velocity is highest
  • A body rolling freely on the surface of the earth eventually comes, why does it to rest? – Because it suffers friction
  • By whom was the concept of dual nature of radiation proposed? – de-Broglie
  • In a bisexual flower if androcium and gynoecium mature at different time the phenomenon is known as which name? – Dichogamy
  • What is the a biological process in which glucose and fat is oxidised to librate energy? –Respiration
  • What is an example of Miscelles System here? – Soap + Water
  • Which is the Branch of science that deal with the improvement of human race by providing better environmental condition? – Euthenics
  • Aluminium surface are often ‘anodized’. This means deposition of a layer of which oxide? – Zinc oxide
  • Which Animal is also known as ‘Portuguese man of war’? – Physalia
  • A small drop falls from rest from a large height h in air. What is the final velocity? – Almost independent of h
  • Why does Molten sodium chloride conduct electricity? – Due to the presence of free ions
  • Which modification of root does not store food? – Stilt
  • The total energy of a particle vibrating in S.H.M. is proportional to which thing? –The square of its Amplitude
  • A gale blows over a house. The force due to the gale on the roof is in which direction? – In the upward direction
  • Why is Ail aqueous solution of copper sulphate is acidica in nature? – Because the salt undergoes hydrolysis
  • Oxygen released during photosynthesis of green plant comes from the breakdown of which thing? – Water
  • The pressure at the bottom of a liquid tank does not depend on which area? – Area of the liquid surface
  • Which compound transforms baking soda into baking powder? – KHC4H4O6
  • Water will be absorbed by root hairs, then how is when the external medium? – Hypotonic
  • Why is Weightlessness experienced in spaceship? – Due to absence of gravity
  • How is Perchloric acid prepared? – By the action of Concentrate sulphuric acid on potassium perchlorate
  • What is the Study of system of animal body which protects it from infection of various disease? –Immunology
  • A particle revolves round a circular path with a constant speed, how is the acceleration of the particle? – Along the radius
  • If a non-metal is added to the interstitial sites of a metal, then how does the metal become? –less malleable
  • Which is used as a gift in Japan? – Euplectella
  • A gas is enclosed in a container which is then placed on a fast moving train. What will be the temperature of the gas? – Remain unchanged
  • When will a hot body radiate maximum energy? – iIf its surface is black and rough
  • How many electrons are involved in the oxidation by KMnO4 in basic medium? – 4
  • Which chemical substance secreted by particular species of animal to attract another member of same species? – Pheromones
  • How is the heat transferred by the radiator of a refrigerator? – More than that at the freezer
  • Which compound of zinc is white when cold and yellow when hot? – ZnO
  • Pheretima posthuma is scientific name of which animal? – Earth worm
  • Merscuric sulphide dissolves in aqua-regia to form which compund? – HgCl2
  • An individual whose blood type is B may in an emergency donate blood to a person which blood groups? – AB or B
  • If the amplitude of a wave at a distance t from a point source is A, what will be the amplitude at a distance 2r? – A/2
  • In which sequence are the electromagnetic radiations in decreasing order of wave lengths? –Infrared, radio, X-rays, visible
  • Salts of which element provide colours to fireworks? – Strontium and barium
  • Which organ have the capacity of regeneration? – Liver
  • With the increase in temperature, what happens in the frequency of the sound from an organ pipe? – Increases
  • What is obtained when cadmium chloride is treated with water? – Cd(OH)
  • Which organ cannot be transplanted? – Brain
  • When a coin placed in a bowl of water is seen from above, how does it appears? – Raised from its position
  • What is formed when cadmium reacts with H2S? – CdS
  • Appetite and satiety centres of brain, where are present in? – Hypothalmus
  • Which gland disapear during old age? – Thymus
  • How is the matallic nature of transition elements is than that of alkali metals? – Less
  • Which types of waves are used in a night vision apparatus? – Infra-red-waves
  • When seen in green light, what will the saffron and green portions of our national flag appear? –Black and green respectively
  • The 3d transition series contains how many elements from atomic number? – 21 to 30
  • Which blood group is universal doner? – O
  • Which lanthanides are used in glass, blowers, goggles? – Pr, Nd
  • Why is the function of the collimator in a spectrometer? – To obtain a parallel beam of light
  • What is the smallest structural and functional unit of nervous system? – Neuron
  • Which compound is obtained when auric chloride reacts with sodium chloride? – Na[AuCl4]
  • What is systolic and diastolic pressure in a healthy man? – 120 mm and 80 mm
  • The refractive index of a piece of transparent quartz is the greatest for which light? – Violet light
  • Which part of human brain is the regulating centre for swallowing and vomating? – Medulla oblangata
  • By which Carbon and hydrogen are estimated in organic compounds? – Liebig’s method
  • If the refractive angle of a prism is 60° and the minimum deviation is 30°, then the angle of incidence is how many degrees? – 45°
  • What is present both in plant and animal? – Plasma membrane
  • What does mixture of CS2 and H2S on passing over heated copper give? – Methane
  • If the rotational velocity of a dynamo armature is doubled, what will then the induced emf? –Become double
  • Which is used in storage batteries? – Lead
  • What is the name of the poisonous gas formed by the interaction of acetylene and arsenic trichloride? – Lewisite
  • Which tissue take part in healing the wounds? – Epithelium tissue
  • When a body is earth connected, electrons from the earth flow into the body. What is its mean? –This means the body is Charged positively
  • Acetylene is used as an anaesthetic under which name? – Narcylene
  • In daily requirement basis which vitamin is required in largest quantity by the human body? –Vitamin C (Ascorbic acid)
  • When does not No current flows between two charged bodies? – If they have same potential
  • Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? – Pyridine
  • Consumption of fish is considered to be healthy compared to flesh of other animals why? –Because it contains polyunsaturated fatty acids
  • What is the reason for excessive solubility of ethyl alcohol in water? – Due to hydrogen bonding with water
  • Through which are the characters are transferred from parents to progeny? – DNA
  • A radioactive substance has a half life of 4 months. In how many months will three fourths of the substance will decays? – 8 months
  • The cause of fractional atomic weights of elements? – The presence of Isotopes
  • Which gas, is used for artificial ripening of fruit? – C2H4
  • Which branch of biology deal with the study of heredity? – Genetics
  • The maximum number of photo electrons released in photocell is independent of which thing? –Frequency
  • A fruity smell is produced by the reaction of C2H5OH with which formula? – CH3COOH
  • By which can Evolutionary development of a species be best studied? – Studying fossils of this speciesWhat is the process by which vegetable ghee is manufactured? – Hydrogenation
  • Early atmosphere contained methane and other hydrocarbons they have been now replaced by which gas? – Carbon dioxide
  • For an electric dipole, how are the field at a point on the equatorial line and the dipole moment? –In opposite direction
  • If a diamagnetic substance is brought near north and south pole of a oar magnet, what will be then? – It is Repelled by poles
  • The word “biodiversity” is a combination of which two words? – Biology and diversity
  • Which thing is the sweetest natural sugar? – Lactose
  • Jaundice in human beings affects which of the body part? – Liver
  • Cathode rays enter an electric field normal to the lines of force. Then how is their path in the electric field is– – Parabola
  • How many orangutans disappear each year as result of palm oil farming? – 5000
  • The sky wave propagation is suitable for radio waves of frequency form how many MHz? – From 2 MHz to 30 MHz
  • Which is considered a hot-spot of biodiversity in India? – Western Ghats
  • What is a glass sided tank, bowl in which aquatic animals live? – Aquarium
  • Deficiency of which vitamin causes xerophthalmia? – Vitamin A
  • If a wire of resistivity p is stretched to double its length, then what will change in its new resistivity? – Not change
  • Crop sown soon after the onset of south-west monsoon in India, what is this called? – Kharif
  • Thermal decomposition of alkanes is known as which name? – Cracking
Previous Post
Next Post

Posted by- gk in hindi | Education Masters

अब आप Education Masters Andriod App भी डाउनलोड कर सकते हैं डाउनलोड करने के लिए लिंक पर क्लिक करें Click Here for Download

दोस्तों अगर आपको किसी भी प्रकार का सवाल है या eBook की आपको आवश्यकता है तो आप निचे comment कर सकते है. आपको किसी परीक्षा की जानकारी चाहिए या किसी भी प्रकार का हेल्प चाहिए तो आप comment में हमे बता सकते हैं हम आपको जल्दी ही reply कर देंगे। अगर आपको हमारा article पसंद आया हो तो अपने दोस्तों के साथ share करना न भूलें करे.

आप हमारे फेसबुक पेज Facebook page से भी जुड़ सकते है जिसके माध्यम से आपको Daily updates आपके फेसबुक पर मिलते रहेंगे।

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

error: Bhai Bhut Mehnat lagi hai?