Multiple choice

The statement that “the green revolution has also created havoc by exterminating the species of useful parasites and viruses” means

Directions: Read the passage and answer the question that follows.

No doubt, the ‘green revolution’ has led to self - sufficiency in food production but it has also brought with it the formidable problem of poisoning of food grains and other eatables. This is caused by excessive use of chemicals on crops and pesticide residues. It has also created havoc by exterminating the species of useful parasites and viruses which keep pests under control. Scientists are now worried about the resurgence of such formidable pests in menacing proportions which seem to undermine all that they have achieved in agricultural production.

  1. all parasites and viruses keep pests under control

  2. pesticides and chemicals kill those parasites and viruses, which control pests

  3. the pests are controlled by parasites

  4. application of chemicals to grains has created havoc
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Exterminate means to kill, and here the sentence shows that havoc was created by killing the useful parasites together with the harmful ones.

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