SSC (GSEB) Science And Technology MCQ Test 3

SSC Science and Technology MCQ Test 3

Quiz

 

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