Questions

Q:

On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because ________

A) Mercury is a metal B) Density of mercury is greater than that of water
C) Cohesion of mercury is greater than its adhesion with glass D) Cohesion of water is greater than its adhesion with glass
 
Answer & Explanation Answer: C) Cohesion of mercury is greater than its adhesion with glass

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Filed Under: Chemistry
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Q:

Which of the following gases is produced due to incomplete combustion of fuel?

A) Carbon Dioxide B) Carbon Monoxide
C) Methane D) Ethane
 
Answer & Explanation Answer: B) Carbon Monoxide

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Filed Under: Chemistry
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Q:

In each testes in a male reproductive system, there are ________ compartments called testicular lobules.

A) 150 B) 200
C) 250 D) 300
 
Answer & Explanation Answer: C) 250

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Filed Under: Biology
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Q:

Choose the word that best defines the given phrase‘The identification of a disease by its symptoms’

A) Prescription B) Prognosis
C) Diagnosis D) Biopsy
 
Answer & Explanation Answer: C) Diagnosis

Explanation:
Prescription is an instruction written by a medical practitioner that authorizes a patient to be issued with a medicine or treatment.
Prognosis is a forecast of the likely outcome of a situation.
Diagnosis is the identification of the nature of an illness or other problem by examination of the symptoms.
Biopsy is an examination of tissue removed from a living body to discover the presence, cause, or extent of a disease.
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Filed Under: English
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Q:

In which market form, a market or an industry is dominated by a single seller?

A) Oligopoly B) Monopoly
C) Duopoly D) Monopolistic Competition
 
Answer & Explanation Answer: B) Monopoly

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Filed Under: Indian Economy
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Q:

Find arc elasticity of demand, if quantity demanded falls from 4600 to 4200 when price of the item is increased from Rs 960 to Rs 1000?

A) -2.23 B) -­2.09
C) 2.23 D) 2.09
 
Answer & Explanation Answer: A) -2.23

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Filed Under: Indian Economy
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Q:

Sex­ratio in India is measured as

A) Number of males per thousand females B)  Number of females per thousand males
C)  Number of males per hundred females D)  Number of females per hundred males
 
Answer & Explanation Answer: B)  Number of females per thousand males

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Filed Under: General Awareness
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Q:

__________ refers to the number of births during a given period in the population that are added to the initial density.

A) Natality B) Mortality
C) Immigration D) Emigration
 
Answer & Explanation Answer: A) Natality

Explanation:
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Filed Under: General Awareness
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