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Question 241

National Defence Academy (NDA) 2025• General Ability Test

Directions: Read the following passage carefully and answer the items that follow the passage. Your answers to these items should be based solely on the passage.

Can agricultural productivity meet human needs in the long run? Since twentieth century advances, given increasing costs, do not seem sustainable, further increases in output will not be achieved easily. Global population growth, while showing signs of slowing down, has pushed farmers and herders into areas unsuited to intensive agriculture, accelerating worldwide ecological disruptions. Reserves of arable land and fresh water have diminished alarmingly. Chemical runoffs have compounded pollution problems. Invasion of natural habitats have hastened species extinction. Desertification has been severe in the last hundred years, especially in North Africa, southern portions of Africa, Australia, northern Mexico, and the American Southwest. Tropical forests have shrunk by one-half since World War II, with agricultural pressures causing three-quarters of that loss. Government inter- vention has produced its share of catastrophes, ranging from a terrible famine in China between 1958-1961 that may have killed 30 million people and destroyed the Aral Sea. Taking everything into consideration, we may remain hopeful about humankind's agricultural prospects, but we can scarcely look forward optimistically at the end of the first quarter of the twenty-first century.

Why do twentieth century advances not seem sustainable?

  1. AOption (a)

    They do not meet the human needs

  2. BOption (b)

    Due to the increased cost of agricultural production

  3. COption (c)

    Because they are outdated for the current times

  4. DOption (d)

    They are useful, but intensive

View answer & explanation

Correct answer

Answer: (b)B.

Due to the increased cost of agricultural production

Why this answer is correct

The correct answer is 'Option 2'.

 

Key Points

  • Twentieth century advances in agriculture do not seem sustainable due to the increased cost of agricultural production.
  • The passage states: "Since twentieth century advances, given increasing costs, do not seem sustainable..." This directly links the lack of sustainability to increased costs.
  • Other options are not supported by the passage.
  • Option 1: The passage does not say that the advances fail to meet human needs.
  • Option 3: The passage does not mention that these advances are outdated.
  • Option 4: The passage does not state that the advances are sustainable because they are intensive.

Therefore, the correct answer is Option 2.

 

Additional Information

  • Option 1: Incorrect, as the passage does not say that advances fail to meet human needs.
  • Option 3: Incorrect, as there is no mention of the advances being outdated.
  • Option 4: Incorrect, as intensity is not the reason for unsustainability given in the passage.

Question 242

National Defence Academy (NDA) 2025• General Ability Test

Directions: Read the following passage carefully and answer the items that follow the passage. Your answers to these items should be based solely on the passage.

Can agricultural productivity meet human needs in the long run? Since twentieth century advances, given increasing costs, do not seem sustainable, further increases in output will not be achieved easily. Global population growth, while showing signs of slowing down, has pushed farmers and herders into areas unsuited to intensive agriculture, accelerating worldwide ecological disruptions. Reserves of arable land and fresh water have diminished alarmingly. Chemical runoffs have compounded pollution problems. Invasion of natural habitats have hastened species extinction. Desertification has been severe in the last hundred years, especially in North Africa, southern portions of Africa, Australia, northern Mexico, and the American Southwest. Tropical forests have shrunk by one-half since World War II, with agricultural pressures causing three-quarters of that loss. Government inter- vention has produced its share of catastrophes, ranging from a terrible famine in China between 1958-1961 that may have killed 30 million people and destroyed the Aral Sea. Taking everything into consideration, we may remain hopeful about humankind's agricultural prospects, but we can scarcely look forward optimistically at the end of the first quarter of the twenty-first century.

What pushes farmers into places unsuited for agriculture?

  1. AOption (a)

    Population growth

  2. BOption (b)

    Industrialisation

  3. COption (c)

    Water scarcity

  4. DOption (d)

    Desertification

View answer & explanation

Correct answer

Answer: (a)A.

Population growth

Why this answer is correct

The correct answer is 'Option 1'.

 

Key Points

  • The passage directly states that global population growth has pushed farmers and herders into areas unsuited to intensive agriculture.
  • The relevant line is: "Global population growth, while showing signs of slowing down, has pushed farmers and herders into areas unsuited to intensive agriculture..."
  • Other options are not supported by the passage in this context.
  • Option 2: Industrialisation is not mentioned as a cause for this migration.
  • Option 3: Water scarcity is mentioned as a problem, but not as the reason for farmers moving to unsuitable areas.
  • Option 4: Desertification is described as an effect, not the primary cause pushing farmers into new areas.

Therefore, the correct answer is Option 1.

 

Additional Information

  • Option 2: Incorrect, as industrialisation is not cited as the reason in the passage.
  • Option 3: Incorrect, as water scarcity is a problem mentioned, but not the direct cause.
  • Option 4: Incorrect, as desertification is a described outcome, not the push factor.

Question 243

National Defence Academy (NDA) 2025• General Ability Test

Directions: Read the following passage carefully and answer the items that follow the passage. Your answers to these items should be based solely on the passage.

Can agricultural productivity meet human needs in the long run? Since twentieth century advances, given increasing costs, do not seem sustainable, further increases in output will not be achieved easily. Global population growth, while showing signs of slowing down, has pushed farmers and herders into areas unsuited to intensive agriculture, accelerating worldwide ecological disruptions. Reserves of arable land and fresh water have diminished alarmingly. Chemical runoffs have compounded pollution problems. Invasion of natural habitats have hastened species extinction. Desertification has been severe in the last hundred years, especially in North Africa, southern portions of Africa, Australia, northern Mexico, and the American Southwest. Tropical forests have shrunk by one-half since World War II, with agricultural pressures causing three-quarters of that loss. Government inter- vention has produced its share of catastrophes, ranging from a terrible famine in China between 1958-1961 that may have killed 30 million people and destroyed the Aral Sea. Taking everything into consideration, we may remain hopeful about humankind's agricultural prospects, but we can scarcely look forward optimistically at the end of the first quarter of the twenty-first century.

Which one of the following is NOT true, according to the passage, for ecological degradation?

  1. AOption (a)

    Global population growth

  2. BOption (b)

    Excess use of chemicals

  3. COption (c)

    Desertification

  4. DOption (d)

    World War II

View answer & explanation

Correct answer

Answer: (d)D.

World War II

Why this answer is correct

The correct answer is 'Option 4'.

 

Key Points

  • The passage lists several causes for ecological degradation, including global population growth, chemical runoffs, and desertification.
  • Option 1: Global population growth is mentioned as a factor accelerating ecological disruptions.
  • Option 2: Excess use of chemicals (chemical runoffs) is said to have compounded pollution problems.
  • Option 3: Desertification is described as severe in the last hundred years.
  • Option 4: World War II
  • World War II is referenced only in relation to the shrinking of tropical forests since then, not as a direct cause of ecological degradation according to the passage.

Therefore, the correct answer is Option 4.

 

Additional Information

  • Option 1: Incorrect, as it is clearly stated as a cause of ecological problems.
  • Option 2: Incorrect, as chemical runoffs are directly linked to pollution and ecological degradation.
  • Option 3: Incorrect, as desertification is specifically described as an ecological problem in the passage.

The correct answer is 'Option 4'.

Question 244

National Defence Academy (NDA) 2025• General Ability Test

Directions: Read the following passage carefully and answer the items that follow the passage. Your answers to these items should be based solely on the passage.

Can agricultural productivity meet human needs in the long run? Since twentieth century advances, given increasing costs, do not seem sustainable, further increases in output will not be achieved easily. Global population growth, while showing signs of slowing down, has pushed farmers and herders into areas unsuited to intensive agriculture, accelerating worldwide ecological disruptions. Reserves of arable land and fresh water have diminished alarmingly. Chemical runoffs have compounded pollution problems. Invasion of natural habitats have hastened species extinction. Desertification has been severe in the last hundred years, especially in North Africa, southern portions of Africa, Australia, northern Mexico, and the American Southwest. Tropical forests have shrunk by one-half since World War II, with agricultural pressures causing three-quarters of that loss. Government inter- vention has produced its share of catastrophes, ranging from a terrible famine in China between 1958-1961 that may have killed 30 million people and destroyed the Aral Sea. Taking everything into consideration, we may remain hopeful about humankind's agricultural prospects, but we can scarcely look forward optimistically at the end of the first quarter of the twenty-first century.

What is the conclusion of the author in the passage about the prospects of agriculture in the world?

  1. AOption (a)

     The author is both hopeful and sceptical of the prospects of agriculture

  2. BOption (b)

    The author is very hopeful of the prospects of agriculture

  3. COption (c)

    The author is sceptical of the prospects of agriculture

  4. DOption (d)

    The author is neither hopeful nor sceptical of the prospects of agriculture

View answer & explanation

Correct answer

Answer: (a)A.

 The author is both hopeful and sceptical of the prospects of agriculture

Why this answer is correct

The correct answer is 'Option 1'.

 

Key Points

  • The passage concludes: "we may remain hopeful about humankind's agricultural prospects, but we can scarcely look forward optimistically at the end of the first quarter of the twenty-first century."
  • This shows the author maintains hope, but is also sceptical about the future, reflecting a mixed outlook.
  • Other options do not accurately capture the author's nuanced view.
  • Option 2: Incorrect, as the author is not "very hopeful."
  • Option 3: Incorrect, as the author is not solely sceptical.
  • Option 4: Incorrect, as the author expresses both hope and scepticism.

Therefore, the correct answer is Option 1.

 

Additional Information

  • Option 2: Incorrect, as the author has reservations and is not wholly hopeful.
  • Option 3: Incorrect, as the author does not express only scepticism.
  • Option 4: Incorrect, as the author clearly demonstrates both hope and scepticism.

Question 245

National Defence Academy (NDA) 2025• General Ability Test

Directions: Read the following passage carefully and answer the items that follow the passage. Your answers to these items should be based solely on the passage.

Can agricultural productivity meet human needs in the long run? Since twentieth century advances, given increasing costs, do not seem sustainable, further increases in output will not be achieved easily. Global population growth, while showing signs of slowing down, has pushed farmers and herders into areas unsuited to intensive agriculture, accelerating worldwide ecological disruptions. Reserves of arable land and fresh water have diminished alarmingly. Chemical runoffs have compounded pollution problems. Invasion of natural habitats have hastened species extinction. Desertification has been severe in the last hundred years, especially in North Africa, southern portions of Africa, Australia, northern Mexico, and the American Southwest. Tropical forests have shrunk by one-half since World War II, with agricultural pressures causing three-quarters of that loss. Government inter- vention has produced its share of catastrophes, ranging from a terrible famine in China between 1958-1961 that may have killed 30 million people and destroyed the Aral Sea. Taking everything into consideration, we may remain hopeful about humankind's agricultural prospects, but we can scarcely look forward optimistically at the end of the first quarter of the twenty-first century.

Which one of the following words means 'incursion'?

  1. AOption (a)

    invasion

  2. BOption (b)

    intensive

  3. COption (c)

    severe

  4. DOption (d)

    intervention

View answer & explanation

Correct answer

Answer: (a)A.

invasion

Why this answer is correct

The correct answer is: Option (Invasion) i.e. Invasion.

Key Points

  • The word “incursion” means a sudden or brief invasion or attack, especially a hostile one; an act of entering a place that is not yours. (आक्रमण / हमला)
  • Example: There was an incursion into enemy territory by the special forces.
  • “Invasion” refers to the act of entering a place with the intention of taking control, often by force; it is a hostile entry. (आक्रण / चढ़ाई)
  • Example: The invasion of natural habitats has led to the extinction of many species.
  • Therefore, “invasion” is the word from the passage that means “incursion”.

Therefore, the correct answer is- Invasion

Additional Information

Here are the other options explained along with their Hindi meanings and example sentences:

  • Reserves (भंडार): Supplies of a commodity not needed for immediate use but available if required.
  • Example: The country maintains large reserves of oil for emergencies.
  • Desertification (मरुस्थलीकरण): The process by which fertile land becomes desert.
  • Example: Overgrazing has led to severe desertification in the region.
  • Catastrophes (आपदा/प्रलय): Sudden events causing great damage or suffering; disasters.
  • Example: The earthquake and subsequent flood were true catastrophes for the city.

Question 246

National Defence Academy (NDA) 2025• General Ability Test

Directions

The following items have a sentence in direct or indirect speech, followed by four options. One of the options correctly converts the direct speech into indirect speech. Select the most appropriate option and mark your answer on the Answer Sheet.

Convert from direct into indirect speech.

Ayushi said to the group, "We have had enough of suffering today. It is time to march forward."

  1. AOption (a)

    Ayushi told the group that they had had enough of suffering that day and it was time to march forward

  2. BOption (b)

    Ayushi asked the group that they had had enough of suffering this day and it was time to march forward

  3. COption (c)

    Ayushi told the group that they had enough of suffering and that it is time to march forward

  4. DOption (d)

    Ayushi told the group that we had had enough of suffering this day and it was time to march forward

View answer & explanation

Correct answer

Answer: (a)A.

Ayushi told the group that they had had enough of suffering that day and it was time to march forward

Why this answer is correct

The correct answer is Option 1.

 

Key Points

  • Indirect Speech: Ayushi told the group that they had had enough of suffering that day and it was time to march forward.
  • Key Conversions:
  • "We have had enough of suffering today" becomes "they had had enough of suffering that day"
  • Pronoun "we" changes to "they" to match indirect speech.
  • Present perfect tense "have had" changes to past perfect "had had" in indirect speech.
  • Time reference "today" changes to "that day" in indirect speech.
  • "It is time to march forward" becomes "it was time to march forward"
  • Present tense "is" changes to past tense "was" in indirect speech.
  • Reporting verb:
  • Direct: "said to"
  • Converted to: "told" to maintain proper reporting style in indirect speech.
  • Punctuation and Format:
  • No quotation marks in indirect speech.
  • Proper use of conjunctions like "that" to introduce the reported statement.

Therefore, the correct answer is Option 1.

 

Correct Sentence: Ayushi told the group that they had had enough of suffering that day and it was time to march forward.

 

Additional Information

  • Option 2: "Ayushi asked the group that they had had enough of suffering this day and it was time to march forward."
  • Incorrect reporting verb "asked" instead of "told" alters meaning.
  • Time reference "this day" is not correctly converted to "that day."
  • Option 3: "Ayushi told the group that they had enough of suffering and that it is time to march forward."
  • Tense inconsistency: "had enough" should be "had had enough" in indirect speech.
  • Present tense "is" should be changed to past tense "was."
  • Option 4: "Ayushi told the group that we had had enough of suffering this day and it was time to march forward."
  • Incorrect pronoun "we" instead of "they."
  • Time reference "this day" should be "that day."

Question 247

National Defence Academy (NDA) 2025• General Ability Test

Directions

The following items have a sentence in direct or indirect speech, followed by four options. One of the options correctly converts the direct speech into indirect speech. Select the most appropriate option and mark your answer on the Answer Sheet.

Convert from direct speech into indirect speech.

"Alas! We lost the match by one point," said the Captain

  1. AOption (a)

    The Captain regretted that they had lost the match by one point

  2. BOption (b)

    The Captain regretted that they lost the match by one point

  3. COption (c)

    The Captain exclaimed that they had lost the match by one point

  4. DOption (d)

    The Captain told the team that they had lost the match by one point

View answer & explanation

Correct answer

Answer: (a)A.

The Captain regretted that they had lost the match by one point

Why this answer is correct

The correct answer is Option 1.

 

Key Points

  • Indirect Speech: The Captain regretted that they had lost the match by one point.
  • Key Conversions:
  • "Alas!" is converted to "regretted"
  • Direct expression of sorrow ("Alas!") is appropriately conveyed as "regretted" in indirect speech.
  • Tense:
  • Direct: "lost"
  • Indirect: "had lost"
  • The past perfect tense ("had lost") is used in indirect speech to show that the action was completed in the past.
  • Pronouns:
  • "We" (direct speech) is converted to "they" (indirect speech), maintaining third-person perspective.
  • Punctuation and Format:
  • In indirect speech, quotation marks are removed.
  • The sentence structure is adjusted to maintain a clear flow in indirect speech.

Therefore, the correct answer is Option 1.

 

Correct Sentence: "The Captain regretted that they had lost the match by one point."

 

Additional Information

  • Option 2: "The Captain regretted that they lost the match by one point."
  • Incorrect tense: "lost" should be "had lost" to align with the rules of indirect speech.
  • Option 3: "The Captain exclaimed that they had lost the match by one point."
  • Incorrect reporting verb: "exclaimed" does not convey the sense of sorrow as accurately as "regretted."
  • Option 4: "The Captain told the team that they had lost the match by one point."
  • Incorrect reporting verb: "told" does not convey the emotion of regret.

Question 248

National Defence Academy (NDA) 2025• General Ability Test

Directions

The following items have a sentence in direct or indirect speech, followed by four options. One of the options correctly converts the direct speech into indirect speech. Select the most appropriate option and mark your answer on the Answer Sheet.

Convert from direct speech into indirect speech.

"Where were you last week?" Alok asked Sheela

  1. AOption (a)

    Alok told Sheela where she had been the week before

  2. BOption (b)

    Alok asked Sheela where she had been the week before

  3. COption (c)

    Alok asked Sheela where she was the week before

  4. DOption (d)

    Alok asked Sheela where she had been the last week

View answer & explanation

Correct answer

Answer: (b)B.

Alok asked Sheela where she had been the week before

Why this answer is correct

The correct answer is Option 2.

 

Key Points

  • Indirect Speech: Alok asked Sheela where she had been the week before.
  • Key Conversions:
  • "Where were you last week" becomes "where she had been the week before"
  • Direct question "Where were you" is converted to indirect question "where she had been".
  • Pronoun "you" is changed to "she" to match indirect speech.
  • Time expression "last week" is changed to "the week before".
  • Reporting verb:
  • Direct: "asked"
  • Indirect: "asked", maintaining the questioning tone.
  • Punctuation and Format:
  • Direct speech is enclosed in quotation marks.
  • Starts with a capital letter "Where" and ends with a question mark "?".
  • Reporting clause follows the quoted speech.

Therefore, the correct answer is Option 2.

 

Correct Sentence: "Alok asked Sheela where she had been the week before."

 

Additional Information

  • Option 1: "Alok told Sheela where she had been the week before."
  • The verb "told" is incorrect in the context of asking a question; "asked" is appropriate.
  • Option 3: "Alok asked Sheela where she was the week before."
  • The verb tense "was" is incorrect; it should be "had been".
  • Option 4: "Alok asked Sheela where she had been the last week."
  • Time expression "the last week" is less standard and less accurate than "the week before".

Question 249

National Defence Academy (NDA) 2025• General Ability Test

Directions : Following items have sentences in active voice with four options. One of the options converts the active voice into passive voice correctly. Select the most appropriate option and mark your answer on the Answer Sheet. 

The king who the people loved built the castle five centuries ago

  1. AOption (a)

    The castle was built five centuries ago by the king who was loved by the people

  2. BOption (b)

    The castle was built five centuries ago by the king who loved the people

  3. COption (c)

    The castle built five centuries ago by the king loved by the people

  4. DOption (d)

    The castle was built five centuries ago by the people who were loved by the king 

View answer & explanation

Correct answer

Answer: (a)A.

The castle was built five centuries ago by the king who was loved by the people

Why this answer is correct

The correct answer is Option 1.

 

Key Points

  • Passive voice structure: The object of the active voice sentence becomes the subject of the passive voice sentence.
  • In the active voice, the sentence is: "The king who the people loved built the castle five centuries ago."
  • To convert to passive voice: Place the object "the castle" at the beginning.
  • Change the active verb form "built" to "was built" (past simple passive).
  • Add the preposition "by" followed by the original subject "the king who was loved by the people."
  • Ensure the time phrase "five centuries ago" remains at the end of the sentence for clarity.

Therefore, the correct answer is Option 1.

 

Correct Sentence: "The castle was built five centuries ago by the king who was loved by the people."

 

Additional Information

  • Option 2: "The castle was built five centuries ago by the king who loved the people." – Incorrect as it changes the meaning of the original sentence.
  • Option 3: "The castle built five centuries ago by the king loved by the people." – Incorrect as it does not follow proper passive voice structure.
  • Option 4: "The castle was built five centuries ago by the people who were loved by the king." – Incorrect as it changes the subject and meaning of the sentence.

Question 250

National Defence Academy (NDA) 2025• General Ability Test

Directions : Following items have sentences in active voice with four options. One of the options converts the active voice into passive voice correctly. Select the most appropriate option and mark your answer on the Answer Sheet. 

The company has recruited four hundred engineers who will have to complete an internship for three weeks

  1. AOption (a)

    Four hundred engineers have been recruited by the company and an internship of three weeks will have to be completed by them 

  2. BOption (b)

    Four hundred engineers have been recruited by the company and they will have to complete an internship of three weeks

  3. COption (c)

    The company has been recruited by four hundred engineers and an internship of three week will have to be completed by them

  4. DOption (d)

    Four hundred engineers have been recruited by the company. Internship of three weeks will have had to be completed by them

View answer & explanation

Correct answer

Answer: (a)A.

Four hundred engineers have been recruited by the company and an internship of three weeks will have to be completed by them 

Why this answer is correct

The correct answer is Option 1.

 

Key Points

  • Passive voice structure: The object of the active voice sentence becomes the subject of the passive voice sentence.
  • In the active voice, the sentence is: "The company has recruited four hundred engineers who will have to complete an internship for three weeks."
  • To convert to passive voice: Place the object "four hundred engineers" at the beginning.
  • Change the active verb form "has recruited" to "have been recruited" (present perfect passive).
  • Ensure that the second clause is restructured correctly to retain the meaning in passive voice.

Therefore, the correct answer is Option 1.

 

Correct Sentence: "Four hundred engineers have been recruited by the company and an internship of three weeks will have to be completed by them."

 

Additional Information

  • Option 2: "Four hundred engineers have been recruited by the company and they will have to complete an internship of three weeks." – Incorrect as the second clause remains in active voice.
  • Option 3: "The company has been recruited by four hundred engineers and an internship of three weeks will have to be completed by them." – Incorrect as it changes the meaning of the sentence.
  • Option 4: "Four hundred engineers have been recruited by the company. Internship of three weeks will have had to be completed by them." – Incorrect as it misuses the tense ("will have had to be completed").