Rafflesia - Test 1

C2 Proficiency · Word Formation · Cambridge English Proficiency 1, Cambridge University Press

For questions 1–8, read the text below. Use the word given in capitals at the end of some of the lines to form a word that fits in the gap in the same line.

LIKE

BOTANY

MOLECULE

REVEAL

ORDINARY

COMPARE

PLEASE

DISTANT

Rafflesia is a rare (0) ___ plant species found in Southeast Asia. Rafflesia has been (1) ___ to a fungus because it lacks chlorophyll and is incapable of photosynthesis. Perhaps the only part of Rafflesia that is discernible as distinctly plant-like is the flower, which is said to be the world's largest. Many (2) ___ have been keen to discover why the flower is so large, so they recently conducted (3) ___ analysis on the plant. This resulted in the (4) ___ that it has evolved almost 80 times from its origin as a tiny bud to today's seven-kilo mega-bloom. Although this (5) ___ transformation took tens of millions of years, such an evolutionary spurt is still one of the most dramatic size changes ever reported. Such growth rates in humans would be (6) ___ to us being 146 metres tall today. The plant is also unusual in another way. Its smell is extremely (7) ___ , but this horrible trait attracts such pollinators as flies. It is thought that Rafflesia's huge flower helps radiate the smell over long (8) ___ .

Rafflesia

PARASITE

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