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