Questions

All statements except ‘A’ are based about the same theme which is The Fight for Ocean Health while sentence A talks about The Next Phase of Climate Action.

The meanings of the given words are as follows:
Nefarious: (typically of an action or activity) wicked or criminal
Sloppy: careless and unsystematic; excessively casual
Flurry: a small swirling mass of something, especially snow or leaves, moved by sudden gusts of wind

Unassertive: (of a person) not having or showing a confident and forceful personality

Ignoble: not honourable in character or purpose
Modest: unassuming in the estimation of one's abilities or achievements
Subtle: (especially of a change or distinction) so delicate or precise as to be difficult to analyse or describe
Gregarious: (of a person) fond of company; sociable
Magnanimous: generous or forgiving, especially towards a rival or less powerful person
Iniquitous: grossly unfair and morally wrong
Atrocious: horrifyingly wicked
Therefore, it can be observed that option E i.e.

‘iniquitous, atrocious’ forms a synonym- synonym pair of ‘nefarious’.

Performance goals are used to measure productivity.

In economics we study that, if the price of a good increases the demand in its quantity decreases or the demand for its complimentary good increases.

For example, if the rice of a good increased by 5%, the demand in its quantity decreases by 10% approximately.

National Sovereignty is the condition of a nation that has self-rule, a stable government and the right to exist without interference from other nations.

Whereas

Demilitarization is the process of reducing and even eliminating the armed forces of a nation.