10th GSEB Science And Technology MCQ 4

GSEB SSC Science and Technology MCQ 4

Quiz

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1. ..............put forward the Heliocentric notion of the universe.
   1.   None
   2.   Ptolemy
   3.   Galileo
   4.   John Kepler
2. Who had first observed the magnetic effect of electric current?
   1.   Ohm
   2.   Coulumb
   3.   Volta
   4.   Oersted
3. Which of the following materials has more number of free electrons?
   1.   Wood
   2.   Glass
   3.   Rubber
   4.   Copper
4. What is the absolute refractive index of ordinary glass ?
   1.   1.0
   2.   1.5
   3.   1.3
   4.   1.7
5. Who discovered the first simple battery?
   1.   Faraday
   2.   Ampere
   3.   Nuton
   4.   Volta
6. Electric energy consumed per unit time is called ............
   1.   power
   2.   electric current
   3.   electric charge
   4.   consumption
7. Which chemical is added by farmers to neutralise the acidic soil ?
   1.   Gypsum
   2.   Chromium
   3.   Sodium
   4.   Lime
8. Transport of photosynthetic products is known as ..................
   1.   Translocation
   2.   Transportation
   3.   Photosynthesis production
   4.   Photosynthesis Transportation
9. Which metal is available in highest proportion on the earth?
   1.   Iron
   2.   Silver
   3.   Platinum
   4.   Gold
10. which receptor is responsible for quickly pull back our hand, When we by chance touch a hot plate.
    1.   thermo
    2.   chemo
    3.   logical
    4.   electrical
11. The outer layer of teeth is made up of ...............
    1.   Calcium nitrate
    2.   Calcium sulphate
    3.   Calcium carbonate
    4.   Calcium phosphate
12. For normal vision the near point is at ........... distance.
    1.   25 cm
    2.   25 m
    3.   2.5 cm
    4.   2.5 m
13. According to right hand thumb rule, whose direction is indicated by a thumb?
    1.   Magnetic force
    2.   Electric current
    3.   Magnetic field
    4.   Electronic multimeter
14. Carbon dating method is used for .............
    1.   Age of chromosomes
    2.   Sex determination
    3.   Variation
    4.   Age of fossils
15. Which of the following acts as a catalyst in production of ammonia by Haber's process?
    1.   Fe
    2.   C_nH_2n
    3.   2H₂O
    4.   sub>2 O₃
16. The magnitude of an AC voltage used in India is ...............
    1.   110 V
    2.   210 V
    3.   120 V
    4.   220 V
17. Give full form of CRN.
    1.   Centre for Revenue Nanotechnology
    2.   Centre for Random Nanotechnology
    3.   Centre for Reasonable Nanotechnology
    4.   Centre for Responsible Nanotechnology
18. Distance of geostationary satellite from the earth's surface is ......... km.
    1.   35,786
    2.   38,856
    3.   37,586
    4.   36,587
19. Which scientist suggested that carbides of metals on reaction with acidic water forms petroleum?
    1.   Newton
    2.   Berthelot
    3.   Coulumb
    4.   Mendeleev
20. Which of the following planet is a terrestrial planet?
    1.   Jupiter
    2.   Pluto
    3.   Saturn
    4.   Earth
21. Which one of the following can live without oxygen of air?
    1.   Yeast
    2.   None
    3.   Sheep
    4.   Amoeba
22. Which metal can be easily cut with a knife?
    1.   Potassium
    2.   None
    3.   Both
    4.   Sodium
23. Which of the following hormone prepares our body for action in emergency situations?
    1.   Insulin
    2.   Testosterone
    3.   Adrenaline
    4.   Growth hormone
24. How many pairs of nerves arise from spinal chord?
    1.   21
    2.   51
    3.   31
    4.   41
25. An object of size 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm. The image distance will be ...........
    1.   -15 cm
    2.   -30 cm
    3.   30 cm
    4.   15 cm
26. Cyclopentane is what type of hydrocarbon?
    1.   Naphthalene
    2.   Aromatic
    3.   Paraffin
    4.   Asphalt
27. ..............current passes through appliances like A.C, geysers etc.
    1.   15 A
    2.   3 A
    3.   5 A
    4.   12 A
28. Who discovered hydrogen gas?
    1.   Lavoiser
    2.   Cavandish
    3.   Haber
    4.   Robert Boyle
29. How many number of electrons will be there in 1.6 C charge?
    1.   10¹⁹
    2.   10¹⁶
    3.   10¹²
    4.   10⁶
30. Which type of coal does not produce smoke or odour when burnt?
    1.   Anthracite
    2.   Peat
    3.   Bitumen
    4.   Lignite
31. Which device generates the electricity?
    1.   Galvanometer
    2.   Generator
    3.   Motor
    4.   Electric circuit
32. Mixture of which two gases is explosive.
    1.   H₂ and CO₂
    2.   H₂ and O₂
    3.   N₂ and 0₂
    4.   H₂ and N₂
33. Water gas is a mixture of which gases?
    1.   Carbon dioxide and hydrogen
    2.   None
    3.   Carbon monoxide and hydrogen
    4.   Carbon and hydrogen
34. Which artificial satellites India launched using a rocket in space?
    1.   INSAT - 4 A
    2.   Rohini
    3.   IRS - P
    4.   Aryabhatt
35. The distilled water acts as an ............. for the electricity.
    1.   instructor
    2.   inductor
    3.   informar
    4.   insulator
36. How many times is Jupiter bigger compared to the size of earth?
    1.   14
    2.   1400
    3.   140
    4.   14000
37. What is the colour of hottest star?
    1.   Yellow
    2.   Orange
    3.   Blue
    4.   Red
38. If a current carrying straight conductor wire is placed perpendicular in magnetic field, then force acting on it is ...........
    1.   None
    2.   maximum
    3.   infinite
    4.   zero
39. In ............ nutrition, the organisms depend entirely on the non-living substances.
    1.   saprophytic
    2.   symbiotic
    3.   parasitic
    4.   holistic
40. Which is an ore of Sulphur?
    1.   Malachite
    2.   Siderite
    3.   Galena
    4.   Dolomite
41. What is the monomer of natural rubber?
    1.   Polythene
    2.   Cheroprene
    3.   Isoprene
    4.   Neoprene
42. What is used a Liquid fuel in Rocket?
    1.   Mixture of liquid hydrogen and liquid nitrogen
    2.   Liquid oxygen
    3.   Liquid hydrogen
    4.   Mixture of liquid hydrogen and liquid oxygen
43. Thermal stability of nanotube in vacuum is up to ............. K.
    1.   310
    2.   31
    3.   3100
    4.   31000
44. Which enzyme increases in a alcohol addicted person?
    1.   Enzyme E - 450
    2.   Enzyme P - 540
    3.   Enzyme E - 540
    4.   Enzyme P - 450
45. Which of the following formula represents voltage?
    1.   work x current x time
    2.   work / current / time
    3.   work x time / current
    4.   work / current x time
46. In which of the following living organism spore formation takes place?
    1.   Mucor
    2.   Spirogyra
    3.   Potato
    4.   Onion
47. What is the time difference between actual sunset and apparent sunset?
    1.   2 hours
    2.   2 Minutes
    3.   None
    4.   2 seconds
48. What type of compounds are paraffius?
    1.   Saturated compounds
    2.   Cyclic compounds
    3.   Aromatic compounds
    4.   Aliphatic compounds
49. Which satellite was launched by India for DTH (direct to home) service of Transmission?
    1.   INSAT - 1
    2.   INSAT - 1 A
    3.   INSAT - 4 A
    4.   IRS - P
50. The unit of electric potential is ..........
    1.   Coulomb / Second
    2.   Joule / Coulomb
    3.   Joule / Second
    4.   Coulomb / Joule