SSC (GSEB) Science And Technology MCQ Test 3

SSC Science and Technology MCQ Test 3

Quiz

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1. Which gas is produced by reaction of base with metal?
   1.   Carbon dioxide
   2.   Dioxygen
   3.   Carbon monoxide
   4.   Dihydrogen
2. On which of the following plant species Mendel has worked ?
   1.   Cassia tora
   2.   Pisum sativam
   3.   Zea Mays
   4.   Phaseolus mungo
3. What is the focal length of a convex lens having power + 5.0 D ?
   1.   - 2.0 cm
   2.   + 2.0 cm
   3.   + 20 cm
   4.   - 20 cm
4. If the size of the scaltering particles is much bigger, the scaltering light appears ............
   1.   Red
   2.   White
   3.   Yellow
   4.   Violet
5. The growth of pollen tube towards the ovule is caused by ..................
   1.   Hydrotropism
   2.   Phototropism
   3.   Chemotropism
   4.   None
6. Which of the following is used in conveyor belts?
   1.   Neoprene
   2.   Teflon
   3.   Polythene
   4.   PVC
7. Which phenomenon is responsible for the twinkling of stars?
   1.   Total internal reflection
   2.   Atmosphere reflection
   3.   Atmosphere refraction
   4.   Total external reflection
8. One of the following organism does not reproduce by binary fission this is .........
   1.   Plasmodium
   2.   Euglena
   3.   Paramoecium
   4.   Amoeba
9. Which one of the following lense is used to correct the defect of presbyopia ?
   1.   Convex
   2.   Concave
   3.   All
   4.   Bifocal
10. What is used as fuel in jet aero planes?
    1.   Petrol
    2.   CNG
    3.   Diesel oil
    4.   Kerosene
11. How much area is under the forest cover in India?
    1.   7,86,436 sq. km
    2.   7,68,436 sq. km
    3.   7,86,643 sq. km
    4.   7,68,643 sq. km
12. Helne's loop is seen in ...............
    1.   Brain
    2.   Lungs
    3.   Kidneys
    4.   Heart
13. During respiration, the exchange of gases takes place in ..........
    1.   Alveoli
    2.   Bronchioles
    3.   Trachea
    4.   Bronchi
14. By which of the following bile is secreted in human digestive system?
    1.   Kidney
    2.   Mouth
    3.   Stomach
    4.   Liver
15. Which colours are reflected when white light is incident upon the blue pigment?
    1.   Violet, Orange, Blue
    2.   Violet, Orange, Green
    3.   Violet, Green, Blue
    4.   Violet, Yellow, Green
16. Which of the following material has more number of free electrons?
    1.   rubber
    2.   copper
    3.   iron
    4.   glass
17. 1 kWh = .......... Joule.
    1.   3.6 x 166
    2.   6.3 x 166
    3.   6.3 x 106
    4.   3.6 x 106
18. Names of, endangered plant species are published in ...........
    1.   species data book
    2.   All plant data book
    3.   Green data book
    4.   Red data book
19. What is the excretory unit in human being?
    1.   Nephron
    2.   Bowman's capsule
    3.   Urinary bladder
    4.   Kidney
20. The focal length of plain mirror is .........
    1.   Uncertain
    2.   Infinity
    3.   Equal to object distance
    4.   Zero
21. The cut part of plant stem (having roots and fixed to ground) which is used in the process of grafting is.............
    1.   stock
    2.   bud
    3.   scion
    4.   cutting
22. Distance of geostationary satellite from the earth's surface is .......... km.
    1.   35,876
    2.   35,687
    3.   35,786
    4.   35,000
23. What is called the solution of ethanol containing 5 % water?
    1.   Rectified spirit
    2.   Beer
    3.   Perfume
    4.   Varnish
24. Which of the following substance is an antacid?
    1.   OH₂
    2.   HCI
    3.   NaCI
    4.   Mg(OH)₂
25. Which of the following is a monomer of teflon?
    1.   CH₂ = CH₂
    2.   CH = CH
    3.   CF₂ = CF₂
    4.   H₂O = H₂O
26. Which of the following endocrine gland does not occur as a pair in the human body?
    1.   Pituitary
    2.   Ovary
    3.   Adrenal
    4.   Testis
27. Magnification is ........... for real images.
    1.   positive
    2.   negative
    3.   none
    4.   neutral
28. Which of the following reproduces by regeneration?
    1.   Amoeba
    2.   Mucor
    3.   Planaria
    4.   Plasmodium
29. Fullerene or Bucky-ball is made up of ........ carbon atoms
    1.   50
    2.   70
    3.   60
    4.   40
30. Which of the following is an important parameter to determine the functioning of nano-materials?
    1.   Sticking to friction ratio
    2.   Sticking to moving ratio
    3.   Surface area to volume ratio
    4.   Strength to density ratio
31. A multicellular organism which reproduces by budding is ...............
    1.   Yeast
    2.   Paramoecium
    3.   Amoeba
    4.   Hydra
32. Which alloy is used for Wielding purpose?
    1.   Alluminium + Tin
    2.   Copper + Tin
    3.   Zink + Tin
    4.   Lead + Tin
33. Where is bile stored in the human body?
    1.   Pancreas
    2.   Gall bladder
    3.   Liver
    4.   Stomach
34. Thermal conductivity of standard SWNT along its length is ……… watt/m.k.
    1.   3500
    2.   350
    3.   35
    4.   35000
35. In which part of the body blood Become oxygenated (gets purified)?
    1.   Heart
    2.   Brain
    3.   Lungs
    4.   Atrium
36. Which of the following structure is responsible for transportation of water in higher plants?
    1.   All
    2.   Sieve cell
    3.   Vessel
    4.   Sieve tube
37. For how many days the sun remains in one nakshtra?
    1.   15.7 days
    2.   15.5 days
    3.   13.5 days
    4.   13.7 days
38. The organs which perform different functions but have the same basic structure are known as ..........
    1.   Analogous organs
    2.   Homologous organs
    3.   Analytic organs
    4.   Homolytic organs
39. What is the general formula of alkyne series?
    1.   C_nH_2n+2
    2.   C_nH_2n-2
    3.   C_nH_2n
    4.   None
40. Presence of magnetic field can be known by .............
    1.   Galvanometer
    2.   Ammeter
    3.   Voltmeter
    4.   Magnetic needle
41. Which non-metallic element is in liquid form?
    1.   Carbon
    2.   Bromine
    3.   Hydrogen
    4.   Oxigen
42. Who gave the principle of electromagnetic induction?
    1.   Oerstead
    2.   Faraday
    3.   Volta
    4.   Ampere
43. Which substance is present in poison of honeybee?
    1.   Mellitin
    2.   Lime
    3.   Pepsin
    4.   Coke
44. In which of the following organisms, the gaseous exchange during respiration does not take place through cell membrane or skin.
    1.   Amoeba
    2.   Earthworm
    3.   Electric ray
    4.   Leech
45. Fullerene is a molecule composed of ........
    1.   Lithium
    2.   Magnesium
    3.   Carbon
    4.   Hydrogen
46. In which of the following living organism spore formation takes place?
    1.   Spirogyra
    2.   Planaria
    3.   Mucor
    4.   Potato
47. How the exact pH of an aqueous solution is measured?
    1.   pH tools
    2.   pH machine
    3.   pH meter
    4.   pH paper
48. What is the chemical formula of alumina?
    1.   AI₃ O₂ . H₂O
    2.   AI₂ O₃
    3.   AI₂ O₃ . 2H₂O
    4.   AI₂ O₃ . H₂O
49. Which of the following solution is most basic?
    1.   pH = 11.5
    2.   pH = 11.9
    3.   pH =11.2
    4.   pH = 11.7
50. "ol" suffix is attached with which group in nomenclature?
    1.   - HO
    2.   - CHO
    3.   - CH
    4.   - OH