Questions

Q:

Which of the following coloured light has the lowest frequency?

A) Green B) Blue
C) Red D) Violet
 
Answer & Explanation Answer: C) Red

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Q:

Knife is an example for

A) Lever B) Wedge
C) Inclined plane D) Pulley
 
Answer & Explanation Answer: B) Wedge

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Q:

In a concave mirror when the object is placed at infinity which of the following applies to the image?

A) Real, inverted, highly enlarged image at center of curvature (C) B) Real, inverted image of the same size at centre of curvature (C)
C) Real, inverted, diminished image between centre of curvature (C) and principal focus (F) D) Real, inverted, highly diminished image at focus
 
Answer & Explanation Answer: D) Real, inverted, highly diminished image at focus

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Q:

‘Altitude sickness’ is caused at high altitude due to

A) high partial pressure of oxygen B) low partial pressure of oxygen
C) low level of haemoglobin D) high partial pressure of carbon dioxide
 
Answer & Explanation Answer: B) low partial pressure of oxygen

Explanation:

Altitude sickness, the mildest form being acute mountain sickness (AMS), is the negative health effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation.

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Q:

Biofortification is a ________________ .

A) method of breeding crops to increase their nutritional value B) strategy to combat unwanted nutrients in plants
C) method of developing resistance to insect pests D) method of plant breeding for disease resistance
 
Answer & Explanation Answer: A) method of breeding crops to increase their nutritional value

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Q:

The capacity to do work is called

A) Pressure B) Force
C) Power D) Energy
 
Answer & Explanation Answer: D) Energy

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Q:

From the given alternatives, according to dictionary, which word will come at FIRST position?1. Clause2. Cigar3. Clever4. Cinema5. Client

A) Cinema B) Client
C) Cigar D) Clause
 
Answer & Explanation Answer: C) Cigar

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Q:

Arrange the following words as per order in the dictionary and then choose the one which comes last.

A) Qualify B) Quarter
C) Quarrel D) Quaver
 
Answer & Explanation Answer: D) Quaver

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