Questions

Q:

An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?

A) 400 J B) 50 J
C) 40 J D) 100 J
 
Answer & Explanation Answer: A) 400 J

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Filed Under: Physics
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Q:

Which statement about Ultrabook computers is false?

A) Utrabooks are equipped with SSD drives for fast start-up B) Ultrabooks do not offer HDMI video output ports
C) Ultrabooks typically weigh less than 3 pounds D) Ultrabooks have the fastest optical drives
 
Answer & Explanation Answer: D) Ultrabooks have the fastest optical drives

Explanation:

Ultrabooks have the fastest optical drives is the false statement in the given options about Ultrabook computers.

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Filed Under: Computer
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Q:

A hand made paper workshop can hire 8 craftsmen by paying them Rs 400 per person per day. The 9th craftsman demands Rs 450 per day. If this craftsman is hired then all other craftsmen must be paid Rs 450. The marginal resource (labour) cost of the 9th craftsman is

A) Rs 50 B) Rs 850
C) Rs 800 D) Rs 100
 
Answer & Explanation Answer: B) Rs 850

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Filed Under: Indian Economy
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Q:

The pH value increase from 7 to 14 represents a

A) decrease in H+ ion concentration B) decrease in OH- ion concentration
C) increase in OH- ion concentration D) increase in H+ ion concentration
 
Answer & Explanation Answer: C) increase in OH- ion concentration

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Filed Under: Chemistry
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Q:

Anaerobic respiration refers to which of the following?

A) Respiration without Oxygen B) Respiration with Oxygen
C) Respiration without CO2 D) Respiration with CO2
 
Answer & Explanation Answer: A) Respiration without Oxygen

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Q:

Pancreatic juice require which medium for their action?

A) Acidic B) Basic
C) Neutral D) All option are correct
 
Answer & Explanation Answer: B) Basic

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Filed Under: Biology
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Q:

How many union territories does India have as of June 2017?

A) 7 B) 6
C) 5 D) 4
 
Answer & Explanation Answer: A) 7

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Filed Under: Indian Geography
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Q:

A pair of contrasting characters controlling the same trait is called

A) factors B) loci
C) allele D) lineage
 
Answer & Explanation Answer: C) allele

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Filed Under: Biology
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