Question : Amoebiasis or amoebic diarrhoea is a common parasitic infection of the intestines,__________caused by amoeba.

Option 1: Heliozoa

Option 2: Sarcodina

Option 3: Entamoeba

Option 4: Lobosa

Question : The amount of other goods and services that must be sacrificed to obtain more of any one good is called the _________cost of the good.

Option 1: opportunity

Option 2: secondary

Option 3: ignorable

Option 4: persuasive

Question : Identify the segment in the sentence which contains the grammatical error.
One of my friend called me just as I was leaving the classroom.

Option 1: One of my friend

Option 2: called me

Option 3: just as I was

Option 4: leaving the classroom

Question : In the given sentence, identify the segment that contains a grammatical error.

Many workers move from one state to another and called migrant workers.

Option 1: and called migrant workers

Option 2: move from one state

Option 3: to another

Option 4: Many workers

Question : Select the most appropriate meaning of the given idiom.
To get cold feet

Option 1: Not to think clearly

Option 2: To become afraid to do something

Option 3: To dip one's feet in cold water

Option 4: To get frost bite in winter