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Directions For Questions
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer out of the four alternatives for the given blanks.
The wings of some birds are so small that they are (1) for flying. Earlier such birds (2) fly but after living for thousands of (3) in places where they had no (4) there was no need for them to fly and they (5) on the ground. After a while, their (6) ones could no longer rise into the air. The ostrich, rhea, emu and cassowary (7) fly, but they can run fast on their long, strong legs. Ostriches (8) in Africa and are found on the grassy places (9) they live along with big groups of zebras. The rhea looks like the ostrich (10) it is smaller and has three toes on each feet, while the ostrich has only two.
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Find out the appropriate word in each case.
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The sentence talks about some birds whose wings are very small. So, the word in the bracket would show the result of the wings being too small. The correct word is "useless".
These birds were, however, able to fly in the earlier days and they had big wings then. So, the sentence here shows the possibility of the birds' flying. The correct verb, therefore, is "could".
A long time is often measured in years and hence the correct answer is option B. Weeks and months are incorrect as they are used to refer to a short time ago. Ages is incorrect as it is an uncountable noun and cannot be used with "thousands".
To stay away from their enemies the birds usually fly but in those times these birds did not have any enemy and hence no flying was required. The correct answer is option D.
Since there was no fear of enemies these birds stayed on the ground without trying to fly away. The correct answer is option B. "Stepped" is an incorrect word and "crept" or "crawled" is used for reptiles like snake, alligators.
Since children of these birds were raised in a system that required them to stay on ground, these children couldn’t learn to fly. To refer to the children of someone, we use the word "young ones". Thus, option C is correct.
The sentence is mentioning the ability of certain birds to fly. Birds such as ostrich, emu etc. can’t fly since they’ve become land birds by evolution. The correct answer is option A.
The sentence mentions the natural habitat of the bird named Ostrich which is Africa. Since the sentence is of simple present, the use of any other verb apart from present tense would be incorrect. Thus, the correct answer is option B.
The adverb ‘where’ refers to in or to what place or position. The word "where" is referring to the grassy places of Africa. So, it is the correct answer.
The conjunction ‘but’ is used to introduce a clause contrasting with what has already been said. The sentence first draws a similarity between Ostrich Rhea and it also mentions how they are different to each other. So, the use of contrasting conjunction "but" would be correct. Hence the current answer is option B.
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