541. Farad is the unit of___________?
A. inductance
B. voltage
C. capacitance
D. None of these

542. B12 deficiency can produce__________?
A. Insomnia
B. Microcytic anemia
C. Pernicious anemia
D. None Of these

543. The side view mirrors of vehicles are of which type of mirrors?
A. Convex
B. Concave
C. Plane
D. Inverted

544. Water has high density and minimum volume at__________?
A. 0°C
B. 4°C
C. 100°C
D. None of these

545. Balloons are filled with _________ ?
A. Nitrogen
B. Helium
C. Oxygen
D. Argon

546. Which layer of the atmosphere lies close to the earth?
A. Stratosphere
B. Mesosphere
C. Troposphere
D. Thermosphere

547. Gales occur when the wind moves at the speed of _____ ?
A. 35 km/h
B. 55 km/h
C. 75 km/h
D. 100 km/h

548. How many milky teeth or primary teeth does a human have?
A. 33
B. 20
C. 15
D. 32

549. In the manufacture of Vanaspati Ghee/Banaspati Ghee which gas is used ?
A. Hydrogen
B. Oxygen
C. Nitrogen
D. Carbon dioxide

550. Which Part of Human Eye can be donated?
A. Conjunctiva
B. Iris
C. Pupil
D. Cornea