10th GSEB Science And Technology MCQ 4

GSEB SSC Science and Technology MCQ 4

Quiz

1 / 50

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