Which of the following circuit elements is used to ‘block’ DC in an electronic circuit ?

A. Resistances
B. Capacitance
C. Inductance
D. Diode

The most distant human-made object sent into the space is?

A. Voyager 1
B. Pioneer 10
C. Eris
D. New horizon

A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls _________?

A. Behind him
B. In front of him
C. Into his hand
D. By his side

The process involved in making soap is called?

A. Saponification
B. Hydrolysis
C. Condensation
D. Polymerisation

The weakest of all fundamental forces is the ________________?

A. Gravitational force
B. Electrostatic force
C. Magnetic force
D. Nuclear force

Velocity of sound in air does not change with the change of?

A. Temperature of air
B. Pressure of air
C. Mositure content in air
D. Wind in the direction of propagation of sound

The diagnosis of anthrax in cattle may be made by__________?

A. Spore staining
B. Quellung reaction.
C. Mcyfaydean reaction
D. None of the above

The cause for the Tsunami, as deduced by the seismologists, is?

A. Gravitational pull of the moon
B. Low pressure trough in the ocean
C. Deformation of sea floor and vertical displacement of water
D. Sudden change in the monsoon wind

A state of stress caused by concern for the earth’s environment is called?

A. Eco-anxiety
B. Eco-fear
C. Eco-depression
D. Eco-alarm

Which one of the following wavelengths of light is most effective in photosynthesis?

A. Blue
B. Green
C. Orange
D. Yellow