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mostly asked general question asked in government exam

By Vikash Suyal | Science | Jul 25, 2015

  • Why does a man inside an artificial satellite feels weightlessness? – Because the force of attraction due to earth is zero at that earth is

  • What is the Branch of biology in which we study about relationship between living and their environment? – Ecology

  • What is the process of transfer of genetic information from DNA to RNA or formation of RNA from DNA? – Transcription

  • Which mixture is homogeneous? – Methanol and water

  • What is an example of emulsion? – Milk

  • What is the Study of integrated use of microbiology, biochmistry and engineering? – Biotechnology

  • What is formed by strong heating of potassium petmanganate? – O2

  • Most of the digestion occur in which part of alimentory canal of man? – Small intestine

  • A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. What is conserved’? – Momentum

  • Which has the longest wave length? – Infra red radiation

  • Which plant produce seed but not fruit? – Mint

  • When are positive ions are formed from neutral atoms? – By loss of electrons

  • Which Bacteria convert atmospheric nitrogen into nitrogenous compound? – Nitrogen fixing bacteria

  • Which fraction is obtained between temperature 150–300°C during fractional distillation of crude petroleum? – Kerosene

  • If a proton is brought towards an electron from infinity, how will the potential energy of the system? – Decrease

  • Which system is formed by the interaction of a community of organisms with its environment? – Ecosystem

  • Which branch of science deals with the study of tissue found in the body of organism? – Histology

  • In the electrolysis the amount of mass deposited or liberated at an electrode is directly proportional to which thing? – Amount of charge

  • Activated charcoal is employed to remove colouring matter from pure substance, it work? – Adsorption

  • Which substance is more than 80% in the cell? – Water

  • A horizontal cable carries a current from west to east. the direction of the magnetic field produced by the current at a point vertically above the wire is which side? – North to south

  • What is the Eosin used to detect the end point of precipitation titration by adsorption called? – Normal indicator

  • Which branch of science that deals with the study of law is genetics for the improvement of human race? – Eugenics

  • What is the bond between two amino acids in a protein? – Ester bond

  • What is the Study of inter-relationships between an entire community and its environment? – Synecology

  • Ophthalmology is the branch of science in which we study about which thing? – Eye

  • The process of converting hydrate Al2O3 into anhydrous aluminium is known as which name? – Calcination

  • Which is the largest phylum in the animal kingdom in respect of number of species? – Arthropoda

  • Which is the compound in that oxygen shows + 2 oxidation state? – F2O

  • Van arkel method of purification of metals involves converting the metal to which compound? – Volatile compound

  • Malaria parasite and Amoeba are grouped under? – Protozoa

  • Magnetic dipole moment is a vector quantity directed from which direction? – South to north

  • What is France’s global ranking in terms of the number of animal species under threat? – 8

  • Which ancestor of man for the first time began the bipedal locomotion ? – Australopithecus

  • Which is the contractile protein muscle? – Myosin

  • Which is the compound in that oxygen shows –1 oxidation state is? – Na2O2

  • What is the reason of floating of the ore particles in concentration by froth floatation process? – Their bein

  • Fluorescent tubes are fitted with a choke. What does the choke coil? – Reduces current in the circuit

  • What is the second most common element in the universe? – Si

  • Entamoeba histolytica is found in which part of man? – Intestine

  • What is the maximum number of different electrical combination possible with three equal resistances? – 4

  • The statements “Protoplasm is the physical basis of life” is given by which person? – Purkinje

  • Purification of aluminium by electrolyte refining is known as which name? – Hoope’s process

  •  A large magnet is broken into two pieces. If the lengths of two pieces are in the ratio of 3 : 4. what is the ratio of their pole strengths? – 1 : 1

  • By whom was Tetrahedral nature of bonding in carbon atom first shown? – van’t Hoff and Le-Bel

  • A particle of mass m and charge q travels from rest through a potential difference V. What is its final energy? – qV

  • What is also known as green protozo? – Euglena

  • If the electric current in a lamp decreases by 5% then the power output decreases by how many percentages? – 10%

  •  Acid rain is caused due to emission of which gases into the atmosphere? – Oxides of nitrogen and sulphur

  • Which naturally occurring element in the rice husk makes it termite resistant? – Silicon

  • Which quantity remains constant in a step-down transformer? – Power

  • In the extraction of zinc the formation of blue flame is due to the burning of which gas? – CO

  • What number of essential amino acid is found in man? – 20

  • Which of the following potassium compounds is known as ‘Pearl ash’? – K2CO3

  • In which organ carbohydrate is stored as glycogen? – Liver

  • What is formed when white phosphorus is heated at 540 K in the absence of air? – Red phosphorus

  • Which tissue help in keeping the body warm? – Fatty tissue

  • If all plant of the world die than why will all animal ultimately die? – Due to Lack of oxygen

  • Why does Coagulation of blood not occur inside human body? – Due to presence of Heparin

  • Which oxide is amphoteric in nature? – SnO2

  • Which particle has the longest de Broglie wavelength if they are moving with same velocity ? – â-particle

  • Which pollutant is main product of automobile exhaust? – NO

  • By which is the amount of light entering into the eye controlled? – Iris

  • What is an association of individuals of different species living in the same habitat and having functional interactions? – Biotic community

  • Over the last 100 years global sea level has risen by about howmany cm? – 10-12. 5 cm

  • Whose statement is this? “Algebraic sum of the current meeting at a node is zero”– – Kirchhoff’s law

  • Why are elements of group I known as alkali metals? – Their oxides are alkaline

  • In methane molecule how are the four hydrogen atoms arranged? – As tetrahedral

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