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The correct answer is '2' i.e. guilty .

Key Points

• The sentence incorrectly uses the phrase "declared the prisoner as guilty."
• The verb "declare" does not require the preposition "as" when followed by a complement like "guilty."
• The correct form is simply "The judge declared the prisoner guilty."

Correct sentence: The judge declared the prisoner guilty.

Additional Information

• Common Errors:
• Using "as" unnecessarily after verbs like "declare," "consider," or "appoint."
• Example of Incorrect Usage: He was declared as the winner.
• Correct Usage: He was declared the winner.
• Rule: Verbs like "declare," "appoint," and "consider" directly take their complement without the preposition "as."

The correct answer is '1' i.e. Ravi said he liked that pen .

Key Points

• The original sentence is in direct speech: Ravi said, "I like this pen."
• When converting to indirect speech, the tense of the verb changes as the reporting verb "said" is in the past tense. Thus, "like" changes to "liked."
• The demonstrative pronoun "this" changes to "that" in indirect speech.
• Option 1 correctly reflects these changes: "Ravi said he liked that pen."

Correct sentence: Ravi said he liked that pen.

Additional Information

• Changes in tense while converting direct to indirect speech:
• Present Simple → Past Simple
• Present Continuous → Past Continuous
• Present Perfect → Past Perfect
• Changes in demonstrative pronouns:
• "This" → "That"
• "These" → "Those"

The correct answer is '2' i.e. "Justice must be served at any cost," the judge said. .

Key Points

• Direct speech repeats the exact words spoken, enclosed within quotation marks.
• Indirect speech converts the quoted words into a narrative form, often making changes to pronouns, tense, and structure.
• The given sentence in indirect speech is: "The judge said that justice must be served at any cost."
• Option 2 correctly converts this into direct speech, maintaining the exact words and structure as spoken by the judge.

Correct sentence: "Justice must be served at any cost," the judge said.

Additional Information

• Indirect Speech:
• Uses a reporting verb (e.g., said, told, etc.) followed by the reported speech.
• Changes pronouns, tense, and occasionally words to suit the context.
• Example: She said that she was going to the market.
• Direct Speech:
• Repeats the exact words spoken by the speaker.
• Uses quotation marks to enclose the words.
• Example: She said, "I am going to the market."

The correct answer is '3' i.e. 1, 3, 4, 2 .

Key Points

• The paragraph begins with a general statement on the challenge posed by misinformation and disinformation on social media platforms (Sentence 1).
• It then elaborates on the consequences of this challenge, highlighting the erosion of public trust and informed decision-making (Sentence 3).
• The emergence of professional fact-checking organizations is introduced as a solution to this problem (Sentence 4).
• Finally, the systematic verification process employed by these organizations is described (Sentence 2).

Correct arrangement: 1, 3, 4, 2.

Additional Information

• Coherence in a paragraph:
• Sentences should flow logically from one idea to the next, maintaining a consistent theme or argument.
• Transitions and connections between sentences are critical for readability and comprehension.
• Tips for sentence arrangement:
• Identify the main idea or topic sentence that introduces the subject of the paragraph.
• Look for supporting details, examples, or elaborations that build on the main idea.
• Conclude with a sentence that wraps up the discussion or provides a final point.

The correct answer is '1' i.e. 2, 1, 3, 4.

Key Points

• The sentences in the paragraph are related to the concept of research, outlining its significance, process, and documentation.
• Option 1 (2, 1, 3, 4) forms a logical sequence:
• Sentence 2: Introduces the topic by stating the importance of research.
• Sentence 1: Defines research as a systematic and objective investigation.
• Sentence 3: Elaborates on the types of research (theoretical or applied).
• Sentence 4: Concludes by explaining how findings are documented and reviewed for credibility.

Correct arrangement: 2, 1, 3, 4.

Additional Information

• The sequence ensures the paragraph flows logically from introducing the topic (Sentence 2) to defining it (Sentence 1), explaining its types (Sentence 3), and finally concluding with how research is validated (Sentence 4).
• Other options (2, 4, 3, 1; 4, 3, 2, 1; 3, 4, 1, 2) disrupt the logical progression and do not form a coherent paragraph.

The correct answer is '1' i.e. Harmful.

Key Points

• The word deleterious means causing harm or damage.
• The synonym of deleterious is harmful, which matches its meaning.
• Options such as useful, comforting, and helpful are antonyms and do not fit the meaning of the word.

Correct sentence: The synonym of deleterious is harmful.

Additional Information

• Deleterious is often used to describe things that have negative effects on health, environment, or well-being.
• Example sentence: Smoking is deleterious to your health.

The correct answer is '2' i.e. Harmony .

Key Points

• The word Cacophony refers to a harsh, jarring mixture of sounds.
• The most appropriate antonym is Harmony, which means a pleasing arrangement or combination of sounds.
• Options like Noise, Dissonance, and Clamor are similar in meaning to cacophony rather than being its opposite.

Correct sentence: The antonym of cacophony is Harmony.

Additional Information

• Synonyms of Cacophony:
• Noise
• Clamor
• Dissonance
• Antonyms of Cacophony:
• Harmony
• Melody

The correct answer is '1' i.e. To act cowardly .

Key Points

• The idiom "Show the white feather" refers to an act of cowardice. Historically, the phrase originates from cockfighting, where a white feather in a bird’s tail was considered a sign of inferior breeding, symbolizing cowardice.
• It is used in everyday language to describe someone who acts in a cowardly manner.

Correct usage: The soldier was accused of showing the white feather when he refused to join the battle.

Additional Information

• Incorrect Options:
• Option 2: "To signal for help" does not align with the meaning of the idiom.
• Option 3: "To display courage" is the opposite of the intended meaning.
• Option 4: "To admit defeat gracefully" is unrelated to cowardice.
• Always consider the historical and contextual usage of idioms when determining their meanings.

The correct answer is '2' i.e. Candor .

Key Points

• The word subterfuge refers to deceit or trickery used to achieve one's goal.
• The most appropriate antonym of subterfuge is candor, which means honesty, openness, and sincerity.
• The other options, such as chicanery, trickery, and deception, are synonyms of subterfuge, not antonyms.

Additional Information

• Synonyms of Subterfuge:
• Deception
• Trickery
• Chicanery
• Antonyms of Subterfuge:
• Candor
• Honesty
• Sincerity

The correct answer is '1' i.e. Phytoremediation .

Key Points

• The word Phytoremediation refers to the use of plants to clean up environmental pollutants.
• Among the options provided, Phytoremediation is spelled correctly.
• The other options contain spelling errors and do not represent the correct term.

Correct spelling: Phytoremediation, which is a technique used in environmental cleanup.

Additional Information

• Phytoremediation Techniques:
• Phytoextraction: Plants absorb contaminants from the soil into their tissues.
• Phytodegradation: Plants break down pollutants within their structure.
• Rhizofiltration: Plant roots absorb and filter pollutants from water.
• This method is cost-effective and environmentally friendly compared to traditional cleanup techniques.