10th GSEB Science And Technology MCQ 4

GSEB SSC Science and Technology MCQ 4

Quiz

 

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