Question

The cactus is a remarkable example of how a plant, if it is to survive, must adapt to the

climate and place in which it lives. Other plants have leaves which give off water in

sunlight. But the cactus has prickly spines that are actually highly-modified leaves. These

spines prevent the loss of water. They help to reduce water loss by restricting air flow near

the cactus. They also protect the cactus in another way. Thirsty animals that roam in

search of water know there is water in the cactus plant, but the spines prevent them from

taking a bite!

All cacti are not like the tall, green and prickly clumps seen in films or cartoons. They are

usually much smaller and come in a variety of colours and shapes. They can be found in

very dry areas, even in the Atacama Desert— one of the driest places on Earth.

Their extensive but shallow root systems allow them to soak up all the water that may

come their way during a rain storm. Their clever stems allow them to store this water for

extended periods of time. Did you know a fully grown saguaro cactus can soak up and

store up to 200 gallons of water during a good downpour? That is why seasoned desert

travellers open up a cactus for life-saving fluids in an emergency. Which word in the passage means the same as ‘controlling/not allowing’?

ii. Find the antonym of the word ‘deep’ in paragraph 3.​

Answer 1

Explanation:

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