10th GSEB Science And Technology MCQ 4

GSEB SSC Science and Technology MCQ 4

Quiz

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