Vocabulary Test 1

The word arrogant means 'a sense that one is more important or able than one actually is'. For example, 'The boy is quite arrogant.'
Option A: 'Humble' is the opposite of arrogant. It means 'having modest or low estimate of one's importance. Hence A is the correct option.
Option B: 'Cowardly' means 'lacking courage'.
Option C: 'Egoistic' is a person who is self-centered and is always preoccupied with oneself.
Option D: 'Gentlemanly' is a person who is chivalrous and is honourable in his manners.
These options are not related to the word 'arrogant'. Hence options B, C and D are incorrect.

'Scan' means 'to look at all parts of something carefully in order to find some feature or fault. When placed here, it refers to scrutinizing "the document". Hence the word is suitable for the given sentence and option A is correct.
'Peer' means 'to look with difficulty', for example, 'She peered through the keyhole.' It is not relevant here, hence option B is incorrect.
'Look up' means 'to find a particular piece of information', to research (to find something that you do not know) whereas the "document" is to be checked or examined (here you are not searching in a quest to gain knowledge, but in a quest to find errors) hence C is incorrect.
'See' means 'to perceive by the eye', it simply means 'to look at the document'; but the look is not enough. The sentence means 'to thoroughly go through the document'. Hence D is incorrect.

Option B is the correct answer because 'valuable' means 'worth a great deal of money' whereas 'worthless' means 'having no use or value'. Thus, option B is the most appropriate word opposite in meaning to the given word.
Option A is incorrect because 'invaluable' means 'very useful' whereas  'valuable' means 'worth a great deal of money'. It is similar in meaning hence option A is not the appropriate word opposite in meaning to the given word.
Option C is incorrect because 'priceless' means 'of great value' whereas  'valuable' means 'worth a great deal of money'. It is similar in meaning hence option C is not the appropriate word opposite in meaning to the given word.
Option D is incorrect because 'expensive' means 'very costly'. Thus, option D is not the appropriate word opposite in meaning to the given word.

Option C is the correct answer because 'out of the blue' means 'unexpectedly'. Thus, option C is the correct meaning of the given idiom.
Option A is incorrect because 'angrily' means 'to show anger' whereas 'out of the blue' means 'unexpectedly'. Thus, option A is not the correct meaning of the given idiom.
Option B is incorrect because 'quietly' means 'silently' whereas 'out of the blue' means 'unexpectedly'. Thus, option B is not the correct meaning of the given idiom.
Option D is incorrect because 'revengefully' means 'something harmful done in return of a hurtful situation' whereas 'out of the blue' means 'unexpectedly'. Thus, option D is not the correct meaning of the given idiom.

An idiom is a group of words whose meaning has been established through time and which cannot be deduced from the meaning of the individual words. The meaning is not literal. 

Option C is the correct answer because 'to fall short of' means 'to fail to reach a certain amount or standard'. Thus, option C is the most appropriate meaning of the given idiom.
Option A is incorrect because 'to pick a quarrel' means 'to quarrel with'  Thus, option A is not the appropriate meaning of the given idiom.
Option B is incorrect because 'I beg to differ' means 'to disagree with'. Thus, option B is not the appropriate meaning of the given idiom.
Option D is incorrect because 'to deteriorate' means 'to become worse'. Thus, option D is not the appropriate meaning of the given idiom.

The word, ‘adventurous’ is an adjective which means daring/bold. It also means ‘willing to take risks or experiment with new ideas'. The word, 'fearful' means afraid/scared. It may be observed that the two words convey opposite meanings. Hence, 'fearful' is the antonym of 'adventurous' and option B is the correct answer.

The word, ‘fearless’ means ‘brave/bold'. It is a synonym of ‘adventurous’. So option A is incorrect.

The word, ‘dangerous’ means ‘likely to cause harm’. The word, ‘careless’ means ‘not giving enough attention’. As both the words 'dangerous' and 'careless' do not convey the same meaning as afraid/scared, options C and D are incorrect. 

The correct answer is option A.

Option A is the correct answer because 'talk back' means 'to answer back in a disrespectful manner. Thus, option A is the right meaning for the given idiom.
Option B is incorrect because  'talk behind a person's back' means 'backstabbing'. Thus, option B is not the appropriate meaning for the given idiom.
Option C is incorrect because 'talk in a loud voice' means 'to shout, yell or scream', which is not a good habit, but one may not always intend to be disrespectful or rude by talking loudly. Thus, option C is not the appropriate meaning for the given idiom.
Option D is incorrect because 'reply to the questions asked means 'to respond'. Thus, option D is not the appropriate meaning for the given idiom.

Option B is correct because ‘depth’ means ‘distance from top to surface’.  ‘Height’ means ‘measurement from base to top’. Thus, ‘depth’ is appropriate opposite word to the given word.
Option A is incorrect because ‘length’ means ‘measurement from end to end’. Thus, it is not the appropriate opposite word to the given word.
Option C is incorrect because ‘width’ means ‘measurement from side to side’. Thus, it is not the appropriate opposite word to the given word.
Option D is incorrect because ‘breadth’ means ‘distance from side to side’. Thus, it is not the appropriate opposite word to the given word.