Question Discussion & Solution

Concept:

Block-container is a block-level formatting object that wraps blocks into a bigger block area with additional attributes to control its size, writing-mode, reference-orientation, etc. Its content is limited to a sequence of blocks only.

A "block-container" formatting object has the following main attributes:

• width="..." and height="..." - Optional attributes to specify the width and height of output block area. Default values are automatically calculated.
• writing-mode="..." - Similar to region-body[@writing-mode].
• reference-orientation="..." - Similar to region-body[@reference-orientation].
• Other attributes are similar to "block" elements.

CONCEPT:

Nuclear reactor:

• It is a device in which a nuclear reaction is initiated, maintained, and controlled.
• It works on the principle of controlled chain reaction and provides energy at a constant rate.

EXPLANATION:

• Uranium is used as a fuel in a nuclear reactor.
• The Process is illustrated by the diagram, where the mass difference between the reactants (Uranium) and the products (Krypton and Barium) is converted into energy.

Concept:

• Social evils or social issues are referred to any undesirable condition that is opposed by society or by a section of society.
• Some major issues are the caste system, poverty, dowry system, child labour, religious conflicts, etc.

Explanation:

Child labour:

• Child labour refers to the exploitation of children through any form of work that deprives children of their childhood.
• Any activity that interferes with their ability to attend regular school, and is mentally, physically, socially and morally harmful.
• Child Labour (Prohibition and Regulation) Act was enacted by the Ministry of Law and Justice on 30th July 2016.
• This Act amended the Child Labour (Prohibition and Regulation) Act, 1986.
• According to this Act:
  • No child shall be employed or permitted to work in any occupation or process.
  • Criteria of a child - A person below the age of 14 yrs.
• Although these laws do not consider all work by children as child labour.
• Exceptions include work by child artists, family duties and supervised training.
• Child labour is more prevalent in the cities where the standard of living is high and children have to work to support their families.

Dowry System:

• Dowry, or the custom of accepting gifts by the bridegroom’s parents from to bride’s parents as part of a marriage settlement.
• Dowry is the money, valuables, goods, estate or property which the bride party gives to the groom's party in exchange for marriage.
• The Dowry system is most prevalent in village areas where people are uneducated and a girl is considered as a burden on their family.
• With upcoming times, this practice is not that common in urban areas.
• To prevent the system of dowry, The Dowry Prohibition Act, 1961 was enacted.

Important Points

• Both child labour and the dowry system are social evils.
• They both are punishable offences.

Thus, 

Dowry and child labour are punishable offences: Correct

Dowry and child labour are necessary evils: Incorrect

Dowry and child labour are common in the villages: Incorrect

Dowry and child labour are common in cities: Incorrect

The pattern is:

And the number between the alphabets is the sum of position of alphabets in the general alphabetic series.

A + N = 1 + 14 = 15

I + V = 9 + 22 = 31

Q + D = 17 + 4 = 21

Y + L = 25 + 12 = 37

G + T = 7 + 20 = 27

Given: Victory ∶ Encouragement ∶∶ Failure ∶ ?

Logic:

Victory leads to Encouragement.

Similarly,

Failure leads to Frustration.

Hence, frustration is the correct answer.