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BPSC AE (ME) MAINS 2019

GENERAL SCIENCE RAPID QUIZ 1

Q1. Chandrashekhar limit is used to measure:
(a) Length (b) Mass (c) Temperature (d) Time

Q2. Electric current is :

(a) Scalar (b) Vector (c) Phasor (d) Tensor

Q3. Refractive index is:

(a) Scalar (b) Vector (c) Tensor (d) Phasor

Q4. Definition of force is given by:

(a) Newton first law of motion (b) Newton 2nd Law of motion
(c) Newton 3rd law of mption (d) Law of gravitation

Q5. Rocket works on the principle of:

(a) Newton's 1st law of motion (b) Newton's 2nd law of motion
(c) Thrust forces (d) Conservation of linear momentum

Q6. In case of uniform circular motion, work done by centripetal forces is:
(a) Maximum (b) Minimum (c) Zero (d) One

Q7. What happened to the weight of a person at equator when the angular speed of earth become
17 times?
(a) It become 17 times (b) It become 1/17 times
(c) No changes (d) It become weightless

Q8. Speed of planet around the sun:

(a) Always remain constant (b) Increases when it is near the sun
(c) Decreases when it is near the sun (d) Maximum at apogee

Q9. Which of the following is false regarding the geostationary satellite:

(a) It revolves in same direction as of earth
(b) It appears to be an stationary satellite.
(c) It revolve at an height of 3600 km.
(d) Its orbit is kown as parking orbit.

Q10. What is the relation between escape velocity and orbital velocity of an setellite?
(a) Escape velocity is root 2 times the orbital velocity.
(b) Both are equal.
(c) Escape velocity is less than orbital velocity.
(d) None of the above
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Q11. Slow fall in barometric reading is:
(a) Indication of storm (b) Indication of rains
(c) Indication of clear weather (d) None of the above

Q12. What is the condition for stable equillibrium of floating body?

(a) Metacentre lies above the centre of gravity
(b) Metacentre conincides with centre of gravity
(c) Metacentre lies below the centre of gravity.
(d) Centre of buoyancy lies above the centre of gravity

Q13. What happens to the level of water in vessels if ice floating inside it, melts?
(a) Level of water increases (b) Level of water decreases
(c) Does not change. (d) None of the above

Q14. What happens to the velocity of any object as it fall in any viscous medium:
(a) First decreases and then achieve terminal velocity
(b) Increases first and then achieve terminal velocity
(c) Increases continuosly
(d) Decreases continuously

Q15. If the velocity of fluid is more than its critical velocity, the rate of flow depends on:
(a) Density (b) Viscosity (c) Mass (d) Area of cross-section

Q16. Non-mechanical wave are:

(a) Longitudnal wave (b) Transverse wave
(c) Neither of both (d) Both a & b

Q17. Which of the following is not an electromagnetic wave?

(a) Alpha ray (b) Gamma ray (c) X-ray (d) Visible radiation

Q18. In longitudnal wave, wavelength is defined as:

(a) Distance between two consecutive crests or troughs
(b) Distance between crests and trough.
(c) Distance between two consecutive compression or rarefactions
(d) Distance between compression and rarefaction

Q19. Which of the following sound waves are used for cleaning clothes:
(a) Infrasonic (b) Audible range
(c) Ultrasonic (d) Sound wave is not used for cleaning clothes

Q20. Speed of sound is maximum at which of the following places in india:

(a) Northern India (b) Southern India (c) Eastern India (d) Western India

Q21. Which of the following is unit of loudness?

(a) Bel (b) Decibel (c) Phon (d) all of the above

Q22. What is the minimum distance require to listen echo?

(a) 16m (b) 17 m (c) 18 m (d) 19 m

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Q23. When two progressive waves of same type having same amplitude and same time period
travelling with same straight line but in opposite directio, a new set of wave are formed, which are
called:
(a) Stationary wave (b) Dynamic wave (c) Constructive Wave (d) destructive wave

Q24. If W is work performed and H is heat produced then W/H =?

(a) 2.093 (b) 4.186 (c) 8.372 (d) can't say

Q25. International calorie is the amount of heat require to increase the temperature of 1gram of
pure water from:
(a) 12.5 C to 13.5 c (b) 13.5 c to 14.5 c
(c) 14.5 c to 15.5 c (d) 15.5 c to 16.5 c

Q26. What is the least count of rankine temperature scale?

(a) -218.4 (b) 492 (c) -492 (d) 218.4

Q27. A leaf is placed in yellow light, which colour does it appear?

(a) Green (b) Yellow (c) Black (d) can't say

Q28. Oxygen is a:
(a) Diamagnetic substance (b) Paramagnetic Substance
(c) Ferromagnetic Substance (d) Non-magnetic substance

Q29. The line joining places of zero dip is called:

(a) isogonic (b) agonic (c) Isoclinic (d) aclinic

Q30. The effect on the mass number and atomic number with emission of alpha, Beta, and gama
rays is decided by:
(a) Group displacement law (b) Soddy- Fajan Law
(c) Both A & B (d) None of the above

Q31. The instrument used to measure Heat radiation?

(a) Bolo meter. (b) Cryometer. (c) Photometer (d) Pyknometer

Q32. Who develope steam engine (piston):

(a) James watt (b) Thomas newcome (c) Karl benz (d) Rudlof diesel

Q33. What is the SI unit of Luminous flux:

(a) Lumen (b) lux (c) candela (d) weber

Q34. The technique which is based on the difference in the rates at which the components of a
mixture are absorbed in the suitable absorbent is:
(a) Chromatography (b) Fractional crystallisation (c) Sedimentation (d) Decanation

Q35. Who gave the name electron?

(a) J.J Thomson (b) Stoney (c) Rutherford (d) Chadwick

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Q36. According to rutherford model of atom, volume of atom is:
(a) 10^5 times that of nucleus (b) 10^10 times that of nucleus
(c) 10^15 times that of nucleus (d) 10^20 times that of nucleus

Q37. The number of wavelength that can be accomodated inone cm length along its direction of
propagation is called:
(a) wave number (b) zeeman's number (c) stark number (d) frequency

Q38. which of the following waves/rays have highest wavelength?

(a) cosmic ray (b) X-ray (c) Micro waves (d) Radio waves

Q39. What is the original colour of litmus paper?

(a) Purple (b) Orange (c) White (d) Colourless

Q40. Which of the following is used in making fertilizers?

(a) Carbonic acid (b) Sulphuric acid (c) Phosphoric acid (d) All

Q41. Which of the following is Dibasic acid?

(a) Phosphorus acid (b) Phosphoric acid (c) hydrochloric acid (d) All

Q42. Which of the following acid is found in gooseberries?

(a) malic acid (b) tartaric acid (c) butyric acid (d) none

Q43. Which of the following is used in manufacturing of gun powder and fire works?
(a) Ammonium salt (b) Potassium nitrate
(c) Potassium Chlorate (d) Aluminium sulphate

Q44. The pH value inside our stomach is?

(a) 1.2 (b) 1.8 (c) 2.2 (d) 2.8

Q45. Choose the incorrect one:

(a) tooth decay started when the pH of mouth <5.5
(b) Acid rain Happens when pH of water >5.6
(c) pH of pure water=7.0
(d) The atmosphere of venus is comprises of sulphuric acid

Q46. Which of the following isotopes is used in treatment of cancer?

(a) Calcium (b) Cobalt (c) Copper (d) IOdene

Q47. Which of the following Elements shows maximum Catenation?

(a) carbon (b) nitrogen (c) phosphorus (d) sulphur

Q48. Bone ash contains how much percentage of phosphorus?

(a) 60% (b) 70% (c) 80% (d) 90%

Q49. Which chemical is known as oil of vitriol?

(a) Hydrochloric acid (b) Sulphuric acid (c) Nitric acid (d) All

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Q50. Which of the following chemicals is used in removing undecomposed silver halide on
photographic film?
(a) Sodium Sulphate (b) Sodium bisulphate
(c) Sodium Thiosulphate (d) Sodium bicarbonate

Q51. Which among the following nobel gas is most abumndant in universe?
(a) Argon (b) Helium (c) Neon. (d) Krypton

Q52. Which of the following mixture is used for artificial breathing of asthama patient?
(a) Helium and Oxygen (b) Hydrogen and Oxygen
(c) argon and oxygen (d) Neon and oxygen

Q53. The ratio of HCl and nitric acid in aqua regia is:
(a) 3:1 (b) 1:3 (c) 2:1 (d) 1:2

Q54. Baking soda is manufactured by:

(a) Haber's process (b) Ostwald's process (c) Solvey's Process (d) None

Q55. When Molten glass is mix with Gold Chloride, the colour of gas formed is:
(a) Ruby (b) Amber (c) Peacock blue (d) Greenish yellow

Q56. Which of the following is not the ore of Lead:

(a) Galena (b) Cerrusite (c) Anglesite (d) Franklinite

Q57. Heart pacemakers is

(a) Uranium (b) Deuterium (c) Plutonium (d) Radium

Q58. The enzyme that converts glucose to ethyl alcohol is :

(a) Invertase (b) Maltase (c) Zymase (d) Diastase

Q59. What is the most commonly used Substance in fluorescent tubes?

(a) Sodium oxide and argon (b) Sodium vapour and neon
(c) Mercury vapour and argon (d) Mercury oxide and neon

Q60. Humburger effect is otherwise known as

(a) Sodium pump (b) Anaerobic metabolism
(c) Choloride shift (d) Respiratory product

Q61. Which among the following stage is suitable indicator when solution of sodium carbonate is
mixed with sulphuric acid ?
(a) Methylene blue (b) Methyl red (c) Phenolphthaline (d) Methyl orange

Q62. Which of the following gases will effuse out of football bladder most quickly?
(a) He (b) H2 (c) N2 (d) 02

Q63. What is the element required for solar energy conversion ?

(a) Beryllium (b) Tantalum (c) Silicon (d) Ultra pure carbon

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Q64. Saccharin is made up of
(a) Toluene (b) Phenol (c) Propane (d) Butane

Q65. Which of the following imparts deep blue colour to glass ?

(a) Cobalt oxide (b) Cupric oxide (c) Ferrous oxide (d) Nickel oxide

Q66. Alum stops bleeding in minor cuts because of

(a) salvation (b) emulsion (c) dialysis (d) coagulation

Q67. Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and
Vibrio comma causes
(a) tetanus (b) influenza (c) cholera (d) typhoid

Q68. Ptyalin is an enzyme produced in the

(a) salivary glands (b) pituitary glands (c) thyroid glands (d) pancreas

Q69. Mutation is:

(a) a factor responsible for plant growth
(b) a change which affects the offspring of F2 generation only
(c) a change that is inherited
(d) a change which affects the parents

Q70. Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of
(a) hormones (b) enzymes (c) proteins (d) vitamins

Q71. Nymph is the name of young one of

(a) butterfly (b) beetle (c) housefly (d) cockroach

Q72. The function of cristae in a mitochondrion is

(a) electron transport and ATP synthesis (b) carbon assimilation
(c) intake of oxygen (d) elimination of carbon dioxide

Q73. Another name for ligase is

(a) joining enzyme (b) RNA polymerase (c) nuclease (d) none of these

Q74. Arteriosclerosis, coronary heart disease, osteoporosis, diabetes, hypothyroidism are

examples of
(a) congenital diseases (b) infectious diseases
(c) deficiency diseases (d) degenerative diseases

Q75. Which one of these is a cancerous disease

(a) Kwashiorkor (b) Angina (c) Leukaemia (d) Malaria

Q76. Which of the following disease is found in Negroes only

(a) Haemophilia (b) Sickle cell anaemia (c) Tryponosomiasis (d) Filariasis

Q77. The expulsion of completely developed foetus from the uterus is known as
(a) ovuation (b) Placentation (c) Gestation (d) Parturition

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Q78. Grey cresent is present in :
(a) Zygote of frog (b) Brain of rabbit (c) Eye of frog (d) Retina of cockroach

Q79. In a food-chain, the saprophytic organisms are?

(a) Producers (b) Consumers (c) Predators (d) Decomposers

Q80. The term "ecosystem" was first proposed by.

(a) A.G. Tansely (b) H.T. Odum (c) Karl Mobius (d) None of these

Q81. The scientists who rediscovered the Mendel's laws are?

(a) Mast and Pantin (b) Watson and Crick
(c) Corren, Tschermark and Hugo de Vries (d) Khorana and Nirenberg

Q82. Pedology is the study of?

(a) Soil (b) Locomotion of animals (c) Rocks (d) Crop diseases

Q83. The biggest herbarium of India is :

(a) Botanical Survey of India – Calcutta (b) St. Xavier's Herbarium - Mumbai
(c) Central National Herbarium – Calcutta (d) IARI - New Delhi

Q84. An American plant which had become a troublesome weed in India is

(a) Typha latifolia (b) Cyperus rotundus (c) Parthenium (d) Eichhornia

Q85. Plants that grow under average temperature and moisture are called?
(a) Halophytes (b) Hydrophytes (c) Mesophytes (d) Xerophytes

Q86. The auxotrophs are:

(a) The organisms which are depends upon other organisms
(b) The plants which are able to synthesize their own carbohydrates/food
(c) The organisms which are lost their ability to synthesize carbohydrates
(d) None of these

Q87. The branch of science which is concerned with the study of disease is called:
(a) Entomology (b) Pathology (c) Eugenics (d) Dermatology

Q88. Theofrastus is regarded as:

(a) Father of Embryology (b) Father of Botany
(c) Father of Ecology (d) None of these

Q89. Calcium and phosphorus assimilation will depend on sufficient intake of

(a) Vitamin B complex (b) Vitamin D
(c) Vitamin A (d) Vitamin C

Q90. Vitamin D deficiency leads to

(a) Sterility (b) Pellagra (c) Rickets (d) Capillary fragility

Q91. Kwashiorkar is a deficiency disease?

(a) Due to poor intake of proteins (b) Due to poor intake of carbohydrates
(c) Due to A and B (d) Due to poor intake of lipids

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Q92. Pearl is secreted by the ______ of the pearl oyster.
(a) Foot (b) Mantle (c) Gills (d) None of these

Q93. Spiders can take only.

(a) Solid food (b) Liquid food (c) Plant juice (d) Flesh of dead animals

Q94. Warm-bloodedness.
(a) Means, animals living in warm climates
(b) Means, the warming up of blood as the temperature increases during day time
(c) Is characterised by constant body temperature
(d) Is shown by reptiles

Q95. Who was the first scientist to use an instrument for biological studies in 1665?
(a) Robert Hooke (b) Schwann (c) Schleiden (d) None of the above

Q96. The two German scientists who proposed the 'cell theory' were.
(a) Mendel and 'Darwin
(b) Theodore Schwann and Matthias Schleiden
(c) Virchow and Purkinje
(d) Porter and Palade
Q97. Most common disease of poultry in India is :
(a) Fowl pox (b) Tick fever (c) Ranikhet (d) Coryza

Q98. Number of chromosomes in Down's syndrome is :

(a) 46 (b) 47 (c) 48 (d) 49

Q99. Plants are killed in winter by frost.

(a) Because of desiccation and mechanical damage to the tissues
(b) Because no photosynthesis takes place at such low temperature
(c) Because respiration ceases at such low temperature
(d) Because there is no transpiration

Q100. Monocot root differs from dicot root in having?

(a) Open vascular bundles (b) Scattered vascular bundles
(c) Well developed pith (d) Radially arranged vascular bundles

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