IETLS Chập Chững_Cork Oak Quiz

Write True, False, or Not Given for the following sentences:

The cork oak has the thickest bark of any living tree.

Evidence in text: "Cork - the thick bark of the cork oak tree (Quercus suber)—is a remarkable material"

• True

• False

• Not Given

Write True, False, or Not Given for the following sentences: Individual cork oak trees must be left for 25 years between the first and second harvest.

Evidence in text: "From the planting of a cork sapling to the first harvest takes 25 years, and a gap of approximately a decade must separate harvests from an individual tree."

• True

• False

• Not Given

Write True, False, or Not Given for the following sentences: Cork bark should be stripped in dry atmospheric conditions.

Evidence in text: "You even have to wait for the right kind of summer’s day to harvest cork. If the bark is stripped on a day when it’s too cold - or when the air is damp - the tree will be damaged."

• True

• False

• Not Given

Cork is an effective material because it can resist fire.

Text evidence: "Developed most probably as a defense against forest fires, the bark of the cork oak has a particular cellular structure - with about 40 million cells per cubic centimeter - that technology has never succeeded in replicating. "

• True

• False

• Not Given

Ancient Greeks used cork mainly for building houses.

Evidence in text: "It has also been used for millennia: the ancient Egyptians sealed the sarcophagi (stone coffins) with cork, while the ancient Greeks and Romans used it for anything from beehives to sandals."

• True

• False

• Not Given

Cork oak trees are frequently used in traditional medicine for their healing properties.

• True

• False

• Not Given

Cork oak trees have bark that maintains an internal temperature of 20°C all year round.

• True

• False

• Not Given

Forest fires have no impact on cork trees because their bark is fireproof.

• True

• False

• Not Given

Cork oak bark has a unique cellular structure that technology has been able to replicate.

• True

• False

• Not Given

Cork oak trees can survive in climates with any amount of rainfall.

• True

• False

• Not Given