SSC (GSEB) Science And Technology MCQ Test 3

SSC Science and Technology MCQ Test 3

Quiz

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