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elect the most appropriate synonym of the given word:
COGENT.
Explanation: Cogent means clear, logical, and persuasive. A cogent argument is one that is strong enough to convince someone because it is well-reasoned. Therefore, “Convincing” is the most appropriate synonym.
Select the most appropriate antonym of the given word.
Lassitude
Explanation: Lassitude means a state of tiredness, weariness, or lack of energy. The word “Vigor” means energy, strength, and enthusiasm. Therefore, “Vigor” is the most appropriate antonym of “Lassitude.”
Choose the correct meaning of idiom:
Won his laurels
Explanation: The idiom “won his laurels” means that someone has earned honour, fame, praise, or distinction through achievement. Hence, the correct meaning is “Achieved distinction or fame.”
Choose the correct meaning of idiom:
Came of age
Explanation: The idiom “came of age” means reaching the stage of legal or social adulthood. It can also suggest becoming mature, but among the given options, “Reached adulthood legally or socially” is the correct meaning.
Select the correct spelling of a word meaning
‘cheerfully optimistic, especially in difficult times’.
Explanation: “Sanguine” is the correct spelling of the word that means cheerfully optimistic, hopeful, or confident, especially in difficult situations. The other options are incorrect spellings.
Choose the correct one-word substitution for:
‘A loud and confused noise’.
Explanation: “Cacophony” means a harsh, loud, and confused mixture of sounds. “Soliloquy” is a speech made by a character alone, while “racket” and “roar” are less precise for the given expression.
Choose the correct one-word substitution for:
‘One who writes traditional poems’.
Explanation: A “Bard” is a poet, especially one who writes or recites traditional, heroic, or epic poetry. A lyricist writes song lyrics, a dramatist writes plays, and an essayist writes essays.
Fill in the blank with the right phrasal verb:
The investigation was _____ after new evidence emerged.
Explanation: The phrasal verb “taken up” means started, undertaken, or dealt with. In the sentence, the investigation was started or taken up after new evidence emerged, making it the correct option.
Select the correct option:
The biochemist insisted ___ conducting a double-blind trial before publication.
Explanation: The correct phrase is “insisted on.” The verb “insist” is followed by the preposition “on” when referring to demanding or strongly requiring an action. Therefore, “on” correctly completes the sentence.
Find the part of the sentence that contains an error:
The interns were asked (1)/ to complete the assignment quickly (2)/ and submit it (3)/ with neat handwriting. (4)/
Explanation: The error is in part (4). The correct expression is generally “in neat handwriting,” not “with neat handwriting.” Therefore, the part containing the error is “with neat handwriting.”
Find the part of the sentence that contains an error:
It was at the summit in Vienna (1)/ where the treaty was officially ratified, (2)/ thereby bringing to an end (3)/ decades of political uncertainty in the region. (4)
Explanation: The error is in part (2). In this structure, “where” should be replaced with “that” because the sentence emphasizes the place: “It was at the summit in Vienna that the treaty was officially ratified.”
Change the following from active to passive:
They had been negotiating the deal for months.
Explanation: The active sentence is in the past perfect continuous tense. Its passive form is formed as “had been being + past participle.” Therefore, “The deal had been being negotiated for months” is the correct passive form.
Select the sentence containing the homonym of the highlighted word:
The nobleman received a ceremonial fief from the sovereign.
Explanation: A homonym has the same spelling or sound but a different meaning. The original sentence uses “fief” in the feudal sense. The correct option uses the highlighted word in a different context, so it is treated as the homonym-based answer.
Convert the sentence provided below from its passive voice structure to an active voice structure:
The possibility of the files being leaked before the official release was not ruled out.
Explanation: The passive sentence says that the possibility was not ruled out. In active voice, an indefinite subject such as “someone” can be used. Option (c) correctly preserves the meaning and changes the structure into active voice.
Choose the most suitable option to replace the highlighted part of the sentence:
The manager is angry on the clerk.
Explanation: The correct preposition used with a person after “angry” is generally “with.” Therefore, “The manager is angry with the clerk” is grammatically correct.
Choose the most suitable option to replace the highlighted part of the sentence:
He was accused for stealing the documents.
Explanation: The correct expression is “accused of” followed by a noun or gerund. Therefore, “He was accused of stealing the documents” is the grammatically correct sentence.
The accelerating depletion of fossil fuels, coupled with mounting ecological degradation, has propelled renewable energy from a peripheral concern to a central component of global energy discourse. Yet, the conversation often fixates on production rather than application. A nuanced understanding of renewable energy must include not only its sources—solar, wind, hydro, geothermal, and biomass—but also the multifaceted domains in which it can transform economies, decentralize power structures, and promote environmental justice. In the domain of electricity generation, renewables have already begun to displace conventional energy systems. Solar photovoltaic installations now power not only urban rooftops but remote rural hamlets long excluded from centralized grids. Micro-hydel projects have enabled mountain communities to harness perennial streams for electricity without the ecological upheaval of large dams. Similarly, wind energy has emerged as a significant contributor in coastal and arid zones, transforming local economies by creating decentralized, sustainable employment ecosystems. Beyond electricity, renewable energy finds compelling applications in transportation, industrial heating, and agriculture. The rise of biofuels—especially second-generation variants derived from agricultural waste—offers a pathway to decarbonize aviation and freight transport, sectors that have traditionally been resistant to electrification. In agrarian contexts, solar-powered pumps have reduced farmers’ dependence on erratic grid supply and diesel generators, enhancing irrigation autonomy while mitigating carbon emissions. Industries, often vilified for their carbon intensity, are also experimenting with renewable alternatives. Concentrated solar thermal technologies, for instance, are being employed in textile processing, food dehydration, and even metallurgy, demonstrating that clean energy need not be confined to low-intensity applications. Furthermore, geothermal energy is increasingly being harnessed for space heating in colder regions and for cooling through absorption chillers—thereby offsetting conventional HVAC loads. However, the significance of renewable energy transcends utility. At a deeper level, it challenges existing geopolitical hierarchies shaped by fossil fuel dependency. While oil-rich nations have historically wielded disproportionate influence, renewable resources—abundant yet diffuse—enable energy sovereignty for resource-scarce regions. This democratization of energy, if properly managed, can catalyze more equitable development paradigms. Nevertheless, integration challenges persist. Intermittency, storage limitations, land use conflicts, and upfront costs are not insignificant barriers. A hasty transition without resilient infrastructure or community consent could replicate the very injustices renewables seek to redress. Therefore, the question is not merely how to produce renewable energy, but how to embed it meaningfully across sectors, geographies, and social hierarchies.
What primary argument does the author make about renewable energy?
Explanation: The passage argues that renewable energy should not be understood only through its sources or electricity generation. It highlights its use in transportation, industrial heating, agriculture, irrigation, cooling, and geopolitical restructuring. Therefore, the author’s main argument is that renewable energy has transformative potential across multiple sectors.
The accelerating depletion of fossil fuels, coupled with mounting ecological degradation, has propelled renewable energy from a peripheral concern to a central component of global energy discourse. Yet, the conversation often fixates on production rather than application. A nuanced understanding of renewable energy must include not only its sources—solar, wind, hydro, geothermal, and biomass—but also the multifaceted domains in which it can transform economies, decentralize power structures, and promote environmental justice. In the domain of electricity generation, renewables have already begun to displace conventional energy systems. Solar photovoltaic installations now power not only urban rooftops but remote rural hamlets long excluded from centralized grids. Micro-hydel projects have enabled mountain communities to harness perennial streams for electricity without the ecological upheaval of large dams. Similarly, wind energy has emerged as a significant contributor in coastal and arid zones, transforming local economies by creating decentralized, sustainable employment ecosystems. Beyond electricity, renewable energy finds compelling applications in transportation, industrial heating, and agriculture. The rise of biofuels—especially second-generation variants derived from agricultural waste—offers a pathway to decarbonize aviation and freight transport, sectors that have traditionally been resistant to electrification. In agrarian contexts, solar-powered pumps have reduced farmers’ dependence on erratic grid supply and diesel generators, enhancing irrigation autonomy while mitigating carbon emissions. Industries, often vilified for their carbon intensity, are also experimenting with renewable alternatives. Concentrated solar thermal technologies, for instance, are being employed in textile processing, food dehydration, and even metallurgy, demonstrating that clean energy need not be confined to low-intensity applications. Furthermore, geothermal energy is increasingly being harnessed for space heating in colder regions and for cooling through absorption chillers—thereby offsetting conventional HVAC loads. However, the significance of renewable energy transcends utility. At a deeper level, it challenges existing geopolitical hierarchies shaped by fossil fuel dependency. While oil-rich nations have historically wielded disproportionate influence, renewable resources—abundant yet diffuse—enable energy sovereignty for resource-scarce regions. This democratization of energy, if properly managed, can catalyze more equitable development paradigms. Nevertheless, integration challenges persist. Intermittency, storage limitations, land use conflicts, and upfront costs are not insignificant barriers. A hasty transition without resilient infrastructure or community consent could replicate the very injustices renewables seek to redress. Therefore, the question is not merely how to produce renewable energy, but how to embed it meaningfully across sectors, geographies, and social hierarchies.
What distinguishes second-generation biofuels, as mentioned in the passage?
Explanation: The passage states that second-generation biofuels are derived from agricultural waste. It also connects them with decarbonizing aviation and freight transport. Hence, the distinguishing feature is that they come from non-edible agricultural waste.
The accelerating depletion of fossil fuels, coupled with mounting ecological degradation, has propelled renewable energy from a peripheral concern to a central component of global energy discourse. Yet, the conversation often fixates on production rather than application. A nuanced understanding of renewable energy must include not only its sources—solar, wind, hydro, geothermal, and biomass—but also the multifaceted domains in which it can transform economies, decentralize power structures, and promote environmental justice. In the domain of electricity generation, renewables have already begun to displace conventional energy systems. Solar photovoltaic installations now power not only urban rooftops but remote rural hamlets long excluded from centralized grids. Micro-hydel projects have enabled mountain communities to harness perennial streams for electricity without the ecological upheaval of large dams. Similarly, wind energy has emerged as a significant contributor in coastal and arid zones, transforming local economies by creating decentralized, sustainable employment ecosystems. Beyond electricity, renewable energy finds compelling applications in transportation, industrial heating, and agriculture. The rise of biofuels—especially second-generation variants derived from agricultural waste—offers a pathway to decarbonize aviation and freight transport, sectors that have traditionally been resistant to electrification. In agrarian contexts, solar-powered pumps have reduced farmers’ dependence on erratic grid supply and diesel generators, enhancing irrigation autonomy while mitigating carbon emissions. Industries, often vilified for their carbon intensity, are also experimenting with renewable alternatives. Concentrated solar thermal technologies, for instance, are being employed in textile processing, food dehydration, and even metallurgy, demonstrating that clean energy need not be confined to low-intensity applications. Furthermore, geothermal energy is increasingly being harnessed for space heating in colder regions and for cooling through absorption chillers—thereby offsetting conventional HVAC loads. However, the significance of renewable energy transcends utility. At a deeper level, it challenges existing geopolitical hierarchies shaped by fossil fuel dependency. While oil-rich nations have historically wielded disproportionate influence, renewable resources—abundant yet diffuse—enable energy sovereignty for resource-scarce regions. This democratization of energy, if properly managed, can catalyze more equitable development paradigms. Nevertheless, integration challenges persist. Intermittency, storage limitations, land use conflicts, and upfront costs are not insignificant barriers. A hasty transition without resilient infrastructure or community consent could replicate the very injustices renewables seek to redress. Therefore, the question is not merely how to produce renewable energy, but how to embed it meaningfully across sectors, geographies, and social hierarchies.
Why is geothermal energy cited in the passage?
Explanation: The passage cites geothermal energy as being used for space heating in colder regions and cooling through absorption chillers. This shows its practical utility in heating and cooling applications, making option (c) correct.
The accelerating depletion of fossil fuels, coupled with mounting ecological degradation, has propelled renewable energy from a peripheral concern to a central component of global energy discourse. Yet, the conversation often fixates on production rather than application. A nuanced understanding of renewable energy must include not only its sources—solar, wind, hydro, geothermal, and biomass—but also the multifaceted domains in which it can transform economies, decentralize power structures, and promote environmental justice. In the domain of electricity generation, renewables have already begun to displace conventional energy systems. Solar photovoltaic installations now power not only urban rooftops but remote rural hamlets long excluded from centralized grids. Micro-hydel projects have enabled mountain communities to harness perennial streams for electricity without the ecological upheaval of large dams. Similarly, wind energy has emerged as a significant contributor in coastal and arid zones, transforming local economies by creating decentralized, sustainable employment ecosystems. Beyond electricity, renewable energy finds compelling applications in transportation, industrial heating, and agriculture. The rise of biofuels—especially second-generation variants derived from agricultural waste—offers a pathway to decarbonize aviation and freight transport, sectors that have traditionally been resistant to electrification. In agrarian contexts, solar-powered pumps have reduced farmers’ dependence on erratic grid supply and diesel generators, enhancing irrigation autonomy while mitigating carbon emissions. Industries, often vilified for their carbon intensity, are also experimenting with renewable alternatives. Concentrated solar thermal technologies, for instance, are being employed in textile processing, food dehydration, and even metallurgy, demonstrating that clean energy need not be confined to low-intensity applications. Furthermore, geothermal energy is increasingly being harnessed for space heating in colder regions and for cooling through absorption chillers—thereby offsetting conventional HVAC loads. However, the significance of renewable energy transcends utility. At a deeper level, it challenges existing geopolitical hierarchies shaped by fossil fuel dependency. While oil-rich nations have historically wielded disproportionate influence, renewable resources—abundant yet diffuse—enable energy sovereignty for resource-scarce regions. This democratization of energy, if properly managed, can catalyze more equitable development paradigms. Nevertheless, integration challenges persist. Intermittency, storage limitations, land use conflicts, and upfront costs are not insignificant barriers. A hasty transition without resilient infrastructure or community consent could replicate the very injustices renewables seek to redress. Therefore, the question is not merely how to produce renewable energy, but how to embed it meaningfully across sectors, geographies, and social hierarchies.
According to the author, how does renewable energy challenge global power structures?
Explanation: The passage explains that fossil fuel dependence has historically given oil-rich nations disproportionate influence. Renewable resources, being abundant and diffuse, can enable energy sovereignty for resource-scarce regions. Thus, renewable energy challenges global power structures by enabling energy independence in diverse regions.
The accelerating depletion of fossil fuels, coupled with mounting ecological degradation, has propelled renewable energy from a peripheral concern to a central component of global energy discourse. Yet, the conversation often fixates on production rather than application. A nuanced understanding of renewable energy must include not only its sources—solar, wind, hydro, geothermal, and biomass—but also the multifaceted domains in which it can transform economies, decentralize power structures, and promote environmental justice. In the domain of electricity generation, renewables have already begun to displace conventional energy systems. Solar photovoltaic installations now power not only urban rooftops but remote rural hamlets long excluded from centralized grids. Micro-hydel projects have enabled mountain communities to harness perennial streams for electricity without the ecological upheaval of large dams. Similarly, wind energy has emerged as a significant contributor in coastal and arid zones, transforming local economies by creating decentralized, sustainable employment ecosystems. Beyond electricity, renewable energy finds compelling applications in transportation, industrial heating, and agriculture. The rise of biofuels—especially second-generation variants derived from agricultural waste—offers a pathway to decarbonize aviation and freight transport, sectors that have traditionally been resistant to electrification. In agrarian contexts, solar-powered pumps have reduced farmers’ dependence on erratic grid supply and diesel generators, enhancing irrigation autonomy while mitigating carbon emissions. Industries, often vilified for their carbon intensity, are also experimenting with renewable alternatives. Concentrated solar thermal technologies, for instance, are being employed in textile processing, food dehydration, and even metallurgy, demonstrating that clean energy need not be confined to low-intensity applications. Furthermore, geothermal energy is increasingly being harnessed for space heating in colder regions and for cooling through absorption chillers—thereby offsetting conventional HVAC loads. However, the significance of renewable energy transcends utility. At a deeper level, it challenges existing geopolitical hierarchies shaped by fossil fuel dependency. While oil-rich nations have historically wielded disproportionate influence, renewable resources—abundant yet diffuse—enable energy sovereignty for resource-scarce regions. This democratization of energy, if properly managed, can catalyze more equitable development paradigms. Nevertheless, integration challenges persist. Intermittency, storage limitations, land use conflicts, and upfront costs are not insignificant barriers. A hasty transition without resilient infrastructure or community consent could replicate the very injustices renewables seek to redress. Therefore, the question is not merely how to produce renewable energy, but how to embed it meaningfully across sectors, geographies, and social hierarchies.
What is the author’s caution about the rapid adoption of renewable energy?
Explanation: The passage warns that a hasty transition without resilient infrastructure or community consent could replicate the very injustices renewables seek to redress. Therefore, the author’s caution is that rapid adoption may repeat existing patterns of injustice.
Select the correct option for the Direct Speech conversion of the sentence below.
He confessed that the violin concerto would have remained fragmentary had the late maestro not bequeathed his annotated sketches.
Explanation: The sentence in indirect speech contains a conditional structure with “would have remained” and inversion in “had the late maestro not bequeathed.” Option (a) correctly converts it into direct speech without changing the tense or meaning.
A sentence is provided in direct speech. From the four given options, choose the one that most accurately conveys the sentence in its corresponding indirect speech.
She said, “I didn’t see him at the station.”
Explanation: In indirect speech, the simple past tense “didn’t see” changes to the past perfect tense “had not seen.” The pronoun “I” changes to “she.” Therefore, option (b) is the correct indirect speech form.
Rearrange the following sentences to form a coherent paragraph:
1. This phenomenon is often referred to as a "network effect," where the value of a service increases with the number of its users. 2. Consequently, they tend to dominate their respective markets, leading to the creation of powerful monopolies or oligopolies. 3. The digital economy has given rise to new business models that rely on the accumulation of data and the scale of their user base. 4. A prime example is the platform economy, where companies like social media networks and ride-sharing apps create value by connecting users.
Explanation: Sentence 3 introduces the main idea of new digital business models. Sentence 4 gives the example of the platform economy. Sentence 1 explains the “network effect” behind such platforms. Sentence 2 logically concludes with the consequence of market dominance.
Rearrange the following sentences in correct order to make a logical passage.
1. This helps prevent nutrient depletion and soil erosion. 2. Crop rotation is a sustainable agricultural practice. 3. It involves planting different crops sequentially on the same land. 4. It also reduces the need for synthetic fertilizers.
Explanation: Sentence 2 introduces crop rotation. Sentence 3 explains what crop rotation involves. Sentence 1 then explains its benefit in preventing nutrient depletion and soil erosion. Sentence 4 adds another benefit, making 2-3-1-4 the most logical order.
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