Some firms _________ innovative methods of using bacteria for treating waste.

• has come up with
• will come up with
• have come up with
• is coming up with
Correct Option: C  [ have come up with ]

Remark:

I am glad _______ my victory.

• by
• of
• for
• at
Correct Option: D  [ at ]

Remark:

Neither the teacher nor the students ___ present.

• is
• are
• has
• have
Correct Option: B  [ are ]

Remark: The verb agrees with the subject closer to it. Here, "students" is plural, so the verb should be "are."

He stood ___________ the court charged with the murder of his wife.

• in
• for
• before
• of
Correct Option: C  [ before ]

Remark:

DELETERIOUS (Find antonyms)

• Salutary
• Disastrous
• Pernicious
• none of these
Correct Option: A  [ Salutary ]

Remark: "Deleterious" is an adjective used to describe something that has a harmful or damaging effect on someone's health, well-being, or overall condition.

"Salutary" is an adjective used to describe something that is beneficial, advantageous, or conducive to good health or well-being.

The meeting ended in fiasco.

• succeeded
• in confusion
• in complete failure
• in acrimonious debate
Correct Option: C  [ in complete failure ]

Remark:

Accrue (Find Synonym)

• Accumulate
• Accommodate
• Grow
• Suffice
Correct Option: C  [ Grow ]

Remark:

The detective suddenly _________ a useful clue.

• gave in
• came across
• fill up
• fell down
Correct Option: B  [ came across ]

Remark: "came across": To find something by accident

He climbed ________ the tree.

• to
• up
• over
• in
Correct Option: B  [ up ]

Remark:

Liberty (Find Antonym)

• Serenity
• Slavery
• Serfdom
• Subordination
Correct Option: B  [ Slavery ]

Remark: