If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________...? Mcqs

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If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________...?

(A) Annealing
(B) Quenching

(C) Tempering
(D) Nitriding

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Which process allow movement in and out of cell...?

(A) Osmosis
(B) Diffusion

(C) Active transport
(D) All of these

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Which one of the following waves are used by the common TV remote control...?

(A) Radio waves
(B) Lasers

(C) Infrared waves
(D) Ultrasonic waves

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The solar wind creates a “bubble” around the solar system called...?

(A) Feliosphere
(B) Seliosphere

(C) Heliosphere
(D) Peliosphere

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If output voltage is greater than input voltage, then transformer is :...?

(A) Step up
(B) Step down

(C) Faulty
(D) None of These

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Sun revolves around milky way in about _____ million years....?

(A) 225
(B) 230

(C) 245
(D) 250

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Stratosphere is the atmospheric layer that absorbs most of __________ that Earth receives from the Sun....?

(A) Infrared radiation
(B) Ultraviolet radiation

(C) Ozone layer
(D) Radio waves

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The number of vibrations produced by a vibrating body in a second is called...?

(A) Velocity
(B) Amplitude

(C) Frequency
(D) Wavelength

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How many bones are in human Eyes...?

(A) Three
(B) Four

(C) Five
(D) Seven

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In which pollination, mature pollen grains transfer from another of one flower to the stigma of the same flower or another/different flower of the same plant...?

(A) Self Pollination
(B) Cross Pollination

(C) Artificial Pollination
(D) Hybrid Pollination

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