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Lists & Touch interview questions

15 real Lists & Touch questions from the React Native bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is FlatList over ScrollView?

Mid
  1. A.the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
  2. B.the recommendation for long or unbounded data because only visible rows are mounted instead of every child at once
  3. C.the list prop returning a unique, stable string id per row so the renderer can track, reorder, and recycle items correctly
  4. D.the component for rendering grouped rows under headers, like a contacts directory split alphabetically
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2. Which term means: "the recommendation for long or unbounded data because only visible rows are mounted instead of every child at once"?

Mid
  1. A.FlatList over ScrollView
  2. B.Pressable
  3. C.TouchableOpacity
  4. D.keyExtractor
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3. Which statement is correct?

Mid
  1. A.FlatList over ScrollView — the recommendation for long or unbounded data because only visible rows are mounted instead of every child at once
  2. B.FlatList over ScrollView — the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
  3. C.FlatList over ScrollView — the component for rendering grouped rows under headers, like a contacts directory split alphabetically
  4. D.FlatList over ScrollView — the list prop returning a unique, stable string id per row so the renderer can track, reorder, and recycle items correctly
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4. What is keyExtractor?

Junior
  1. A.the recommendation for long or unbounded data because only visible rows are mounted instead of every child at once
  2. B.the modern, flexible wrapper that detects various press stages and exposes a pressed state for custom feedback styling
  3. C.the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
  4. D.the list prop returning a unique, stable string id per row so the renderer can track, reorder, and recycle items correctly
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5. Which term means: "the list prop returning a unique, stable string id per row so the renderer can track, reorder, and recycle items correctly"?

Junior
  1. A.FlatList over ScrollView
  2. B.keyExtractor
  3. C.Pressable
  4. D.SectionList
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6. Which statement is correct?

Junior
  1. A.keyExtractor — the recommendation for long or unbounded data because only visible rows are mounted instead of every child at once
  2. B.keyExtractor — the list prop returning a unique, stable string id per row so the renderer can track, reorder, and recycle items correctly
  3. C.keyExtractor — the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
  4. D.keyExtractor — the component for rendering grouped rows under headers, like a contacts directory split alphabetically
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7. What is Pressable?

Junior
  1. A.the modern, flexible wrapper that detects various press stages and exposes a pressed state for custom feedback styling
  2. B.the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
  3. C.the recommendation for long or unbounded data because only visible rows are mounted instead of every child at once
  4. D.the component for rendering grouped rows under headers, like a contacts directory split alphabetically
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8. Which term means: "the modern, flexible wrapper that detects various press stages and exposes a pressed state for custom feedback styling"?

Junior
  1. A.keyExtractor
  2. B.Pressable
  3. C.TouchableOpacity
  4. D.FlatList over ScrollView
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9. Which statement is correct?

Junior
  1. A.Pressable — the recommendation for long or unbounded data because only visible rows are mounted instead of every child at once
  2. B.Pressable — the component for rendering grouped rows under headers, like a contacts directory split alphabetically
  3. C.Pressable — the modern, flexible wrapper that detects various press stages and exposes a pressed state for custom feedback styling
  4. D.Pressable — the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
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10. What is SectionList?

Mid
  1. A.the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
  2. B.the modern, flexible wrapper that detects various press stages and exposes a pressed state for custom feedback styling
  3. C.the list prop returning a unique, stable string id per row so the renderer can track, reorder, and recycle items correctly
  4. D.the component for rendering grouped rows under headers, like a contacts directory split alphabetically
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12. Which statement is correct?

Mid
  1. A.SectionList — the list prop returning a unique, stable string id per row so the renderer can track, reorder, and recycle items correctly
  2. B.SectionList — the modern, flexible wrapper that detects various press stages and exposes a pressed state for custom feedback styling
  3. C.SectionList — the component for rendering grouped rows under headers, like a contacts directory split alphabetically
  4. D.SectionList — the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
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13. What is TouchableOpacity?

Mid
  1. A.the component for rendering grouped rows under headers, like a contacts directory split alphabetically
  2. B.the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
  3. C.the list prop returning a unique, stable string id per row so the renderer can track, reorder, and recycle items correctly
  4. D.the recommendation for long or unbounded data because only visible rows are mounted instead of every child at once
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15. Which statement is correct?

Mid
  1. A.TouchableOpacity — the list prop returning a unique, stable string id per row so the renderer can track, reorder, and recycle items correctly
  2. B.TouchableOpacity — the older wrapper that dims its child by reducing opacity while the finger is held down to signal a tap
  3. C.TouchableOpacity — the component for rendering grouped rows under headers, like a contacts directory split alphabetically
  4. D.TouchableOpacity — the recommendation for long or unbounded data because only visible rows are mounted instead of every child at once
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