Directions(Q.7 to Q.8 ):

Choose the word/group of words which is most similar in meaning to the word/group of words printed in bold as used in passage.

Downturn

Downturn means a decline in economic, business, or other activity.

Operose means involving or displaying much industry or effort.

Aeonian means eternal; everlasting

Abetment means to encourage, support, or countenance by aid or approval, usually in wrongdoing

Descent means an act of moving downwards, dropping, or falling

Procurement means the action of obtaining or procuring something.

Hence descent has the similar meaning as downturn.