Question # 1

KMnO₄ can be used as a/an?

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Fertiliser

insecticide

disinfectant

pesticide

Maria Montessori developed a system in 1970 which later on became a global stander. what?

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Montessori System of per-schooling

Blood-Plasma Storage system

Data and text Transfer system across computer networks

Colour TV transmission system

The resolution of a printer is measured in

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Dots per inch

Inches

Both a & b

None of these

Parveen invested a sum of money at compound interest. It amounted to Rs. 2420 in 2 years and to Rs 2662 in 3 years. Find the sum and the rate percent per annum.

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Rs. 2500 and 5%

Rs. 2000 and 10%

Rs. 2250 and 15%

Rs. 100 and 12%

The worming of rocket is based on the principle of?

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Newton's low

Flux meter

Flux Rule

Boyle Law

The Swedish scientist Alfred Noble is most famous today for creating the Noble Prize. What invention made him rich

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Dynamite

Dry ice

Stainless steel

spam

Which is used for measuring sound under water?

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Hygrometer

Hydrophone

Hydrometer

Heliscope

The function of hemoglobin is:

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To transport oxygen

Destruction of bacteria

Prevention of anemia

Utilization of energy

What is the only element that normally has no neutrons?

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Oxygen

Hydrogen

Krypton

Neon

The gastric glands in the stomach produce an enzyme?

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Ptyalin

Pepsin

Trypsin

Insulin

Siemens is a unit of:

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Electrical Field Strength

Electrical conductivity

Electromagnetic inductance

Electrical Resistance

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