I like this tree ______ the river.

• at
• with
• by
• from
Correct Option: C  [ by ]

Remark:

You must not quarrel _________ others.

• with
• to
• at
• into
Correct Option: A  [ with ]

Remark:

Scorn(Find Synonym)

• Concise
• Despise
• Bias
• Fierce
Correct Option: B  [ Despise ]

Remark:

The police was informed _________the matter.

• of
• to
• in
• none of these
Correct Option: A  [ of ]

Remark: "Informed of" means to be told or notified about something.

Gandhiji is an ILLUSTRIOUS person. (Synonym)

• unknown
• ordinary
• famous
• worthless
Correct Option: C  [ famous ]

Remark:

Glossy (Find Antonym)

• Dull
• Shining
• Weary
• Tired
Correct Option: A  [ Dull ]

Remark:

My friend was a person apt to act suddenly without thinking.

• Impulsive
• Excitable
• Thoughtless
• Violent
Correct Option: A  [ Impulsive ]

Remark:

Young cow that has not yet had a calf. (one word substitution)

• Cowlet
• Ewe
• Heifer
• none of these
Correct Option: C  [ Heifer ]

Remark:

The horse and the coach ________ arrived.

• have
• have been
• would
• has
Correct Option: A  [ have ]

Remark: When two singular nouns joined by "and" refer to the same person or thing, the verb is singular.
But here article "the" used twice before each noun to indicate two different subjects, thus "have" used.

Conspicuous (Find Antonym)

• Blatant
• Definite
• Obvious
• Obscure
Correct Option: D  [ Obscure ]

Remark: