The section of the CPU that selects, interprets and monitors the execution of program instructions is

• Memory

• Register Unit

• Control Unit

• ALU

Which is the purest commercial form of iron?

• Pig iron

• steel

• Stainless steel

• Wrought iron

The unit of electrical power is

• volt

• watt

• kilowatt hour

• ampere

Certain substances loose their electrical resistance completely at super lower temperature. Such substances are called

• super conductors

• semi conductors

• dielectrics

• perfect conductors

Fleming's right hand rule is used to find the direction of the

• alternate current

• direct current

• induced current

• actual current

Brass contains

• copper and zinc

• copper and tin

• copper and silver

• copper and nickel

Conversion of starch to sugar is essential for

• stomatal opening

• stomatal closing

• stomatal formation

• stomatal growth

HIV often changes its shape due to the presence of an enzyme called

• reverse transcriptase

• enterokinase

• nucleotidase

• nucleoditase

The resistance of the human body (dry condition) is of the order of

• 10¹ ohm

• 10² ohm

• 10³ ohm

• 10⁴ ohm

Who among the following introduced the world's first laptop computer in the market?

• Hewlett-Packard

• Epson

• Laplink Travelling Software Inc

• Microsoft