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Previous Science Questions for Secretariat Assistant Exam Part 1 (in Malayalam)
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General Science Previous Questions if Secretariat Assistant Part 1( in Malayalam)

Sudheesh Raghavan
Hi, I am Sudheesh,Teaching for Kerala psc exams for two years. Youtuber at PSC 360.I am interested to teach science topics.

U
Unacademy user
supr class.. university assistant base cheyth oru science class idamo?
Sudheesh Raghavan
9 months ago
സയൻസ് ക്ലാസുകൾ കുറെ ചെയ്തിട്ടുണ്ട്.. കോഴ്സുകൾ നോക്കൂ
Nicely explained.. thank u sir..
Sudheesh Raghavan
10 months ago
👍👍
Class kazhiyan thonanilla....Kettukonde irikkan thonunnu....Thank You
Thank you 🤗😊
  1. General Science mcq for Secretariat Assistant Exam Part 1- Previous Questions (2015) Prepared by Sudheesh Raghavan Follow me > https://unacademy.com/user/ sudheesh


  2. 1.Which of the following units is usually used to denote intensity of pollution? A) Milligrams B) nanograms C.) Parts per million D) Kilogram


  3. 2. Nitrogen fixing bacteria lives in the root tumours of pea- plants is called: A) Rhizome B.) Rhizobium C) E-coli D) Streptococus


  4. 3. Which of the following chemicals is used in fire extinguishers? A.) Sodium bicarbonate B) Sodium nitrate C.) Potassium bicarbonate D) Sodium Chloride


  5. 4. Which phenomenon of light is behind the rainbow A) Diffraction B) Scattering C.) Dispersion D) Radiation


  6. 5. Which is the hardest material ever known in the universe? A) Platinum B) Graphite C) Marble D.) Diamond


  7. 6. Which instrument regulates the resistance or current in a circuit? A) Volta cell B.) Rheostat C) Generator D) Sonometer


  8. 7. The scientist who formulated the' Germ theory of disease" is A.) Louis Pasteur B) Lamark C) Hugo Devries D) Griger Mendel


  9. 8.In which atmospheric level ozone gas is seen? A) Mesosphere B) Exosphere C.) Stratosphere D) lonosphere


  10. 9. Which is the relay centre in our brain? A) Pituitary gland B.) Thalamus C) Spinal cord D) Meninges


  11. 11. On which day 'Mangalyan' was launched from Sriharikkotta? A) 2012 November 05 B) 2013 November 05 C) 2014 January 24 D.) 2014 September 24