Iron is _______ useful metal.

• a
• an
• the
• zero article
Correct Option: A  [ a ]

Remark:

One of the teacher is ________ European.

• a
• an
• the
• none
Correct Option: A  [ a ]

Remark:

We watched _________ television all through the night.

• the
• an
• a
• No article is needed.
Correct Option: D  [ No article is needed. ]

Remark:

Rita is ________ heir of her father's property.

• the
• an
• a
• no article
Correct Option: B  [ an ]

Remark:

Did you get married after leaving ________ University?

• an
• the
• a
• No article required
Correct Option: B  [ the ]

Remark:

Here are ________ dozen of bananas.

• an
• a
• the
• no article
Correct Option: B  [ a ]

Remark:

None but _________ brave deserves the fair.

• the
• a
• an
• No article required
Correct Option: A  [ the ]

Remark: here adjective "brave" used as noun. "the brave" means "the brave people".

He had ________ one-rupee note.

• a
• an
• the
• zero article
Correct Option: A  [ a ]

Remark: the word "one-rupee" start with consonant sound. the sound of the first letter is 'w' not 'o'.

My mother bought me ______ new Pair of shoes.

• a
• an
• the
• none of these
Correct Option: A  [ a ]

Remark: "A" is the indefinite article used before singular countable nouns that start with a consonant sound.

I visited _________ store which sold furniture and paintings.

• the
• a
• and
• an
Correct Option: B  [ a ]

Remark: