10th GSEB Science And Technology MCQ 4

GSEB SSC Science and Technology MCQ 4

Quiz

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