{ Online Quiz } Important Science Questions for TNPSC examination - 48

In this Quiz covered for important Science questions from various TNPSC Exams. TNPSC aspirants can check their Knowledge and to get chances to success. All the best...

  1. A patient was prescribed a lens of +2 dioptre for correcting his vision. What kind of lens does he need?
    1.  concave lens of focal length 0.5 m
    2.  concave lens of focal length 2.0 m
    3.  convex lens of length 0.5 m
    4.  convex lens of focal length 2.0 m

  2. An electronic circuit for generating alternating current of a desired frequency is?
    1.  amplifier
    2.  modelator
    3.  detector
    4.  oscillator

  3. A body weights 900 kg on the surface of the earth. What will be its mass in a planet of 1/9th mass of the earth and half the radius of the earth?
    1.  400 kg
    2.  200 kg
    3.  100 kg
    4.  205 kg

  4. If 0.400 g of NaOH (s) dissolved to make 250 ml of solution, then calculate the pH?
    1.  8.06
    2.  9.08
    3.  10.6
    4.  12.602

  5. Who introduced the electronic theory of acids and bases?
    1.  Arrhenius
    2.  Faranklin
    3.  Bronsted
    4.  Lewis

  6. Find the odd one out?
    1.  Vitamin A
    2.  Vitamin B
    3.  Vitamin D
    4.  Vitamin E

  7. Which of the following is / are common in both aerobic and anaerobic respiration?
    1.  Glycolysis
    2.  Kreb's Cycle
    3.  Lactic acid fermentation
    4.  Alcoholic fermentation

  8. Point out the wrong statement in the following statements?
    1.  Fungi don't have chlorophyll
    2.  Fungi plant body called mycelium
    3.  Fungi may be parasites or saprophytes
    4.  Fungi are autotrophic organism

  9. Ovulation is connected with rise in?
    1.  prolactin
    2.  oxytocin
    3.  LH
    4.  Testosterone

  10. This is a phenomenon in which animals undergo dormancy to escape from excessive cold during winter?
    1.  Encystment
    2.  Diapause
    3.  Aestivation
    4.  Hibernation



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