A patient was prescribed a lens of +2 dioptre for correcting his vision. What kind of lens does he need?
concave lens of focal length 0.5 m
concave lens of focal length 2.0 m
convex lens of length 0.5 m
convex lens of focal length 2.0 m
An electronic circuit for generating alternating current of a desired frequency is?
amplifier
modelator
detector
oscillator
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?
400 kg
200 kg
100 kg
205 kg
If 0.400 g of NaOH (s) dissolved to make 250 ml of solution, then calculate the pH?
8.06
9.08
10.6
12.602
Who introduced the electronic theory of acids and bases?
Arrhenius
Faranklin
Bronsted
Lewis
Find the odd one out?
Vitamin A
Vitamin B
Vitamin D
Vitamin E
Which of the following is / are common in both aerobic and anaerobic respiration?
Glycolysis
Kreb's Cycle
Lactic acid fermentation
Alcoholic fermentation
Point out the wrong statement in the following statements?
Fungi don't have chlorophyll
Fungi plant body called mycelium
Fungi may be parasites or saprophytes
Fungi are autotrophic organism
Ovulation is connected with rise in?
prolactin
oxytocin
LH
Testosterone
This is a phenomenon in which animals undergo dormancy to escape from excessive cold during winter ?
Encystment
Diapause
Aestivation
Hibernation
0 comments : { Online Quiz } Important Science Questions for TNPSC examination - 48
0 comments : { Online Quiz } Important Science Questions for TNPSC examination - 48