Read the passage and answer the questions: Water constitutes approximately 60% of the human body and plays a critical role in nearly every biological function, from regulating temperature to facilitating cellular metabolism. Despite its vital importance, adequate water intake is often overlooked in daily health routines. Dehydration, even at mild levels, can impair cognitive performance, reduce physical endurance, and compromise cardiovascular function. Conversely, over hydration—though rarer—can lead to hyponatremia, a potentially life-threatening condition caused by diluted blood sodium levels. The amount of water an individual requires varies significantly depending on factors such as age, body size, environmental conditions, and levels of physical activity. While conventional wisdom suggests a daily intake of eight glasses, modern research advocates for a more nuanced approach, emphasizing hydration cues like thirst and the colour of urine as more accurate indicators of bodily needs. Furthermore, water intake is not solely dependent on direct consumption; foods with high water content, such as fruits and vegetables, also contribute substantially to hydration. In contemporary society, where caffeinated beverages and processed foods are increasingly prevalent, maintaining optimal hydration demands conscious effort. Unlike water, many popular drinks act as diuretics, increasing fluid loss and potentially exacerbating dehydration risks. Health professionals, therefore, encourage not only regular water consumption but also the cultivation of habits that support overall fluid balance, such as moderating caffeine intake and choosing water-rich foods.
Identify the sentence that contains a relative clause:
Identifying the Sentence with a Relative Clause
A relative clause provides more information about a noun. It usually starts with a relative pronoun (like who, which, that) or a relative adverb (like where, when) and contains a subject and a verb.
Analysis of Options
- Option 1: "The deep sea, far from being an inert wasteland, plays a vital role in carbon sequestration." This sentence does not contain a relative clause. The phrase "far from being an inert wasteland" provides extra information but doesn't start with a relative pronoun/adverb.
- Option 2: "Once disturbed, these ecosystems may never return to their original state." The introductory phrase "Once disturbed" acts as an adverbial clause, not a relative clause modifying a noun.
- Option 3: "The mechanical extraction of minerals may cause irreversible damage to species uniquely adapted to these environments." This sentence contains a modifying phrase "uniquely adapted to these environments" that specifies which 'species' are affected. This functions as a relative clause, implicitly meaning "...species that are uniquely adapted to these environments."
- Option 4: "Mining operations disrupt the seabed, releasing plumes of sediment." The phrase "releasing plumes of sediment" is a participial phrase describing the action of the mining operations; it is not a relative clause.
Conclusion
Option 3 contains the relative clause (or a reduced form of one), which modifies the noun 'species'.
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Important Questions from Grammar
Directions: In this question, a sentence has been divided into five parts (A), (B), (C), (D), and (E). Read the sentence to find out whether there is any grammatical error in it. The error if any, will be in one part of the sentence. If there is no error, the answer is 'No error'. Ignore the error of punctuation if any.
Too often, picnic (A)/ preparation consists (B)/ of throwing together some sandwiches (C)/ and grabbing a apple. (D)/ No error (E)
Directions: In this question, a sentence has been divided into five parts (A), (B), (C), (D), and (E). Read the sentence to find out whether there is any grammatical error in it. The error if any, will be in one part of the sentence. If there is no error, the answer is 'No error'. Ignore the error of punctuation if any.
The conference will (A)/ give us an opportunity (B)/ to exchange informations (C)/ with other researchers. (D)/ No error (E)
Directions: In this question, a sentence has been divided into five parts (A), (B), (C), (D), and (E). Read the sentence to find out whether there is any grammatical error in it. The error if any, will be in one part of the sentence. If there is no error, the answer is 'No error'. Ignore the error of punctuation if any.
One of the (A)/ aim of Ethnography is (B)/ to contribute to an understanding (C)/ of the human race. (D)/ No error (E)
Directions: In this question, a sentence has been divided into five parts (A), (B), (C), (D), and (E). Read the sentence to find out whether there is any grammatical error in it. The error if any, will be in one part of the sentence. If there is no error, the answer is 'No error'. Ignore the error of punctuation if any.
If you will eat (A)/ your breakfast, you (B)/ will be allowed (C)/ to watch television. (D)/ No error (E)
Direction: A sentence/part of the sentence is emboldened. Five alternatives are given to the embolden part which will improve the sentence. Choose the correct alternative and choose the option corresponding to it. In case no improvement is needed, click the option corresponding to ‘No improvement required’.
No witnesses to the accident have come forward yet, despite the police's appeal.
