Explanation

Several months went by quickly

"by" is used as an adverb here which means: so as to go past.

by the indication of "Several months went in past" we choose the option "by"

Explanation

He tripped and fed Down the stairs

اس نے پھسل کر سیڑھیوں سے نیچے کو کھلایا

Down. We use down mostly as a preposition or adverb.

It means 'in or moving to a low or lower position or level': … Downwards, downward.

Explanation

A complex sentence is a sentence with one independent clause and at least one dependent clause.

by indication of an independent clause (batsman) and a dependent clause (when) we marked the option "complex" 

Explanation

A compound sentence is made up of two independent clauses joined by a coordinating conjunction (for, and, nor, but, or, yet, or so) and a comma or by a semicolon alone.

by indication of common, we marked the option "compound" 

Explanation

Punishment for corruption and corrupt practices have been defined in section 10. (a) 

Punishment for corruption and corrupt practices shall be rigorous imprisonment for a term that may extend to 14  Years

while

corruption and corrupt practices have been defined in section 9 (a)

Explanation

 corruption and corrupt practices have been defined in section 9 (a)

A holder of a public office, or any other person, is said to commit or have committed the offense of corruption and corrupt practices-

while 

Punishment for corruption and corrupt practices have been defined in section 10. (a) 

Explanation

 "Judge" means the presiding officer of a civil Court

Section 5(g) of the National Accountability Bureau Ordinance, 1999 stipulates that :

a Judge of the Accountability Court shall be appointed by the President of Pakistan,

in consultation with the Chief Justice of the High Court concerned,

and shall hold office for a period of three years.

Explanation

6(c) Acting Chairman, National Accountability Bureau:

As and when the Chairman NAB is absent or unable to perform the functions of his office, the Deputy Chairman  [NAB,] will act as the Chairman NAB,

and

in case the Deputy Chairman [NAB,] is absent or unable to perform the functions of the office,  [any officer of the NAB] duly authorized by the Chairman NAB, to act as Chairman NAB.

ND26-5-2023

Explanation

Section 6 (b)(1) of NAB Ordinance, 1999 deals with Chairman.

A person sl all not be appointed as Chairman NAB unless he,-

(i) is a Pakistani citizen and not has dual citizenship.

(ii) is a retired Chief Justice or a judge of the Supreme Court or a Chief Justice of a High Court

***

The Chairman of NAB is appointed by the President of Pakistan for a period not extendable for 4 years.

**

The Chairman of the NAB Bureau is appointed by the president in consultation with the: 

Leader of House in National Assembly

Leader of Opposition in the National Assembly

**

The Chairman NAB resign his office by writing under his hand addressed to the President

Explanation