Question:

Rafflesia arnoldii is its botanical name and it holds a world record in the plant world. What is the record?

Show Hint

Think about which plant produces the biggest single flower on Earth.
Updated On: Jul 14, 2026
  • Tallest cacti
  • Largest bloom
  • Longest surviving tree
  • Smallest plant
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The Correct Option is B

Solution and Explanation

This question asks about a world record held by the plant Rafflesia arnoldii.

  1. Tallest cacti: Rafflesia is not a cactus at all, it is a parasitic flowering plant with no visible leaves, stem, or roots of its own, so this option does not fit.
  2. Largest bloom: Rafflesia arnoldii produces the single largest individual flower in the plant kingdom, some blooms grow past 3 feet (about 1 metre) wide and can weigh up to 10 kg.
  3. Longest surviving tree: Rafflesia is not a tree, and this record belongs to species like the bristlecone pine, so this is wrong.
  4. Smallest plant: The smallest flowering plant title goes to duckweed species, not Rafflesia, so this is wrong too.

So option B, largest bloom, is correct.

Let's summarize:

  • Rafflesia arnoldii holds the record for the single largest flower on Earth.

Knowing which plant holds which record helps clear such general knowledge picks fast.

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