Queries interview questions

27 Queries questions from the GraphQL bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.

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1. What is Query operation?

Junior
  1. A.an annotation like @include or @skip that conditionally alters execution or validation of part of a document
  2. B.the read-only root operation used to fetch data without causing side effects on the server
  3. C.the curly-brace-delimited list of fields a client asks for on a given type
  4. D.the built-in ability to query the schema itself, powering tooling, docs and editor autocomplete

Answer + AI explanation with Pro

2. Which term means: "the read-only root operation used to fetch data without causing side effects on the server"?

Junior
  1. A.Introspection
  2. B.Variable
  3. C.Query operation
  4. D.Directive

Answer + AI explanation with Pro

3. Which statement is correct?

Junior
  1. A.Query operation — an annotation like @include or @skip that conditionally alters execution or validation of part of a document
  2. B.Query operation — the built-in ability to query the schema itself, powering tooling, docs and editor autocomplete
  3. C.Query operation — a named, reusable selection set on a specific type that can be spread into multiple queries to avoid repetition
  4. D.Query operation — the read-only root operation used to fetch data without causing side effects on the server

Answer + AI explanation with Pro

4. What is Field?

Junior
  1. A.a typed, named placeholder declared on an operation so argument values can be supplied separately from the query string
  2. B.an annotation like @include or @skip that conditionally alters execution or validation of part of a document
  3. C.a unit of data requested within a selection set that maps to a function returning a value
  4. D.the curly-brace-delimited list of fields a client asks for on a given type

Answer + AI explanation with Pro

5. Which term means: "a unit of data requested within a selection set that maps to a function returning a value"?

Junior
  1. A.Query operation
  2. B.Field
  3. C.Introspection
  4. D.Selection set

Answer + AI explanation with Pro

6. Which statement is correct?

Junior
  1. A.Field — an annotation like @include or @skip that conditionally alters execution or validation of part of a document
  2. B.Field — a typed, named placeholder declared on an operation so argument values can be supplied separately from the query string
  3. C.Field — the read-only root operation used to fetch data without causing side effects on the server
  4. D.Field — a unit of data requested within a selection set that maps to a function returning a value

Answer + AI explanation with Pro

7. What is Selection set?

Junior
  1. A.a unit of data requested within a selection set that maps to a function returning a value
  2. B.a named, reusable selection set on a specific type that can be spread into multiple queries to avoid repetition
  3. C.the curly-brace-delimited list of fields a client asks for on a given type
  4. D.a typed, named placeholder declared on an operation so argument values can be supplied separately from the query string

Answer + AI explanation with Pro

8. Which term means: "the curly-brace-delimited list of fields a client asks for on a given type"?

Junior
  1. A.Variable
  2. B.Alias
  3. C.Directive
  4. D.Selection set

Answer + AI explanation with Pro

9. Which statement is correct?

Junior
  1. A.Selection set — a typed, named placeholder declared on an operation so argument values can be supplied separately from the query string
  2. B.Selection set — the curly-brace-delimited list of fields a client asks for on a given type
  3. C.Selection set — the built-in ability to query the schema itself, powering tooling, docs and editor autocomplete
  4. D.Selection set — a unit of data requested within a selection set that maps to a function returning a value

Answer + AI explanation with Pro

10. What is Argument?

Mid
  1. A.the built-in ability to query the schema itself, powering tooling, docs and editor autocomplete
  2. B.an annotation like @include or @skip that conditionally alters execution or validation of part of a document
  3. C.a named parameter passed to a field to filter, paginate, or otherwise parameterize what it returns
  4. D.a named, reusable selection set on a specific type that can be spread into multiple queries to avoid repetition

Answer + AI explanation with Pro

11. Which term means: "a named parameter passed to a field to filter, paginate, or otherwise parameterize what it returns"?

Mid
  1. A.Fragment
  2. B.Argument
  3. C.Alias
  4. D.Query operation

Answer + AI explanation with Pro

12. Which statement is correct?

Mid
  1. A.Argument — a unit of data requested within a selection set that maps to a function returning a value
  2. B.Argument — the curly-brace-delimited list of fields a client asks for on a given type
  3. C.Argument — a named parameter passed to a field to filter, paginate, or otherwise parameterize what it returns
  4. D.Argument — a named, reusable selection set on a specific type that can be spread into multiple queries to avoid repetition

Answer + AI explanation with Pro

13. What is Alias?

Mid
  1. A.a client-supplied rename of a field in the response, letting the same field be requested multiple times with different arguments
  2. B.the curly-brace-delimited list of fields a client asks for on a given type
  3. C.a named parameter passed to a field to filter, paginate, or otherwise parameterize what it returns
  4. D.the read-only root operation used to fetch data without causing side effects on the server

Answer + AI explanation with Pro

14. Which term means: "a client-supplied rename of a field in the response, letting the same field be requested multiple times with different arguments"?

Mid
  1. A.Introspection
  2. B.Argument
  3. C.Alias
  4. D.Field

Answer + AI explanation with Pro

15. Which statement is correct?

Mid
  1. A.Alias — the read-only root operation used to fetch data without causing side effects on the server
  2. B.Alias — a client-supplied rename of a field in the response, letting the same field be requested multiple times with different arguments
  3. C.Alias — a unit of data requested within a selection set that maps to a function returning a value
  4. D.Alias — a named parameter passed to a field to filter, paginate, or otherwise parameterize what it returns

Answer + AI explanation with Pro

16. What is Variable?

Mid
  1. A.the read-only root operation used to fetch data without causing side effects on the server
  2. B.a typed, named placeholder declared on an operation so argument values can be supplied separately from the query string
  3. C.a unit of data requested within a selection set that maps to a function returning a value
  4. D.the curly-brace-delimited list of fields a client asks for on a given type

Answer + AI explanation with Pro

17. Which term means: "a typed, named placeholder declared on an operation so argument values can be supplied separately from the query string"?

Mid
  1. A.Selection set
  2. B.Introspection
  3. C.Argument
  4. D.Variable

Answer + AI explanation with Pro

18. Which statement is correct?

Mid
  1. A.Variable — a named parameter passed to a field to filter, paginate, or otherwise parameterize what it returns
  2. B.Variable — a typed, named placeholder declared on an operation so argument values can be supplied separately from the query string
  3. C.Variable — a unit of data requested within a selection set that maps to a function returning a value
  4. D.Variable — a named, reusable selection set on a specific type that can be spread into multiple queries to avoid repetition

Answer + AI explanation with Pro

19. What is Fragment?

Mid
  1. A.the curly-brace-delimited list of fields a client asks for on a given type
  2. B.an annotation like @include or @skip that conditionally alters execution or validation of part of a document
  3. C.a named, reusable selection set on a specific type that can be spread into multiple queries to avoid repetition
  4. D.a named parameter passed to a field to filter, paginate, or otherwise parameterize what it returns

Answer + AI explanation with Pro

20. Which term means: "a named, reusable selection set on a specific type that can be spread into multiple queries to avoid repetition"?

Mid
  1. A.Selection set
  2. B.Introspection
  3. C.Alias
  4. D.Fragment

Answer + AI explanation with Pro

21. Which statement is correct?

Mid
  1. A.Fragment — a named, reusable selection set on a specific type that can be spread into multiple queries to avoid repetition
  2. B.Fragment — a unit of data requested within a selection set that maps to a function returning a value
  3. C.Fragment — the curly-brace-delimited list of fields a client asks for on a given type
  4. D.Fragment — a client-supplied rename of a field in the response, letting the same field be requested multiple times with different arguments

Answer + AI explanation with Pro

22. What is Introspection?

Senior
  1. A.a client-supplied rename of a field in the response, letting the same field be requested multiple times with different arguments
  2. B.a unit of data requested within a selection set that maps to a function returning a value
  3. C.the built-in ability to query the schema itself, powering tooling, docs and editor autocomplete
  4. D.the curly-brace-delimited list of fields a client asks for on a given type

Answer + AI explanation with Pro

23. Which term means: "the built-in ability to query the schema itself, powering tooling, docs and editor autocomplete"?

Senior
  1. A.Field
  2. B.Argument
  3. C.Introspection
  4. D.Directive

Answer + AI explanation with Pro

24. Which statement is correct?

Senior
  1. A.Introspection — a named, reusable selection set on a specific type that can be spread into multiple queries to avoid repetition
  2. B.Introspection — the built-in ability to query the schema itself, powering tooling, docs and editor autocomplete
  3. C.Introspection — a typed, named placeholder declared on an operation so argument values can be supplied separately from the query string
  4. D.Introspection — an annotation like @include or @skip that conditionally alters execution or validation of part of a document

Answer + AI explanation with Pro

25. What is Directive?

Senior
  1. A.an annotation like @include or @skip that conditionally alters execution or validation of part of a document
  2. B.a client-supplied rename of a field in the response, letting the same field be requested multiple times with different arguments
  3. C.a typed, named placeholder declared on an operation so argument values can be supplied separately from the query string
  4. D.the read-only root operation used to fetch data without causing side effects on the server

Answer + AI explanation with Pro

26. Which term means: "an annotation like @include or @skip that conditionally alters execution or validation of part of a document"?

Senior
  1. A.Variable
  2. B.Directive
  3. C.Fragment
  4. D.Alias

Answer + AI explanation with Pro

27. Which statement is correct?

Senior
  1. A.Directive — a named parameter passed to a field to filter, paginate, or otherwise parameterize what it returns
  2. B.Directive — a client-supplied rename of a field in the response, letting the same field be requested multiple times with different arguments
  3. C.Directive — the curly-brace-delimited list of fields a client asks for on a given type
  4. D.Directive — an annotation like @include or @skip that conditionally alters execution or validation of part of a document

Answer + AI explanation with Pro

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