Q1 : Diamond is the hardest known natural substance on Earth. Composed of carbon atoms arranged in a crystal lattice, diamonds possess extraordinary hardness due to the strong covalent bonding between atoms. This makes them ideal for cutting, grinding, and drilling.
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Q2 : Which planet is known as the Red Planet?
Mars is often referred to as the Red Planet because of its reddish appearance, which is due to iron oxide, or rust, on its surface. This characteristic gives Mars its distinctive color, making it visible from Earth as a reddish dot in the night sky.
Q3 : What is the comparative form of the adjective 'good'?
The comparative form of 'good' is 'better'. 'Good' is an irregular adjective and does not follow the regular pattern of adding '-er' or using 'more'. The correct way to compare two things using this adjective is to say something is 'better' than something else.
Q4 : Which of the following countries is the largest by land area?
Russia is the largest country in the world by land area, spanning over 17 million square kilometers. It is almost twice the size of the second-largest country, Canada. This vast expanse stretches over eastern Europe and northern Asia, encompassing a range of environments and climates.
Q5 : What is the plural form of 'mouse'?
The word 'mouse' changes to 'mice' when plural. This is an irregular plural noun in English. While many plurals are formed by simply adding 's' or 'es', some nouns follow irregular patterns due to historical reasons. 'Mouses' is incorrect for the animal, though in computing, 'mouses' can sometimes be used informally.
Q6 : Which of the following verb forms is the past participle of 'go'?
The past participle is a verb form used in perfect tenses and passive voice. For the verb 'go', the past participle form is 'gone'. This form is used in tenses like the present perfect ('have gone') or past perfect ('had gone'). 'Going' is the present participle, 'went' is the simple past, and 'goes' is the third person singular present.
