General Instructions :-
- Rotate your Mobile Device for Best Performance and Design.
- Total duration of examination is X minutes.
- Total number of questions are 25, which contains 25 questions of English.
- The Question Palette displayed on the right side of screen will show the status of each question using one of the following symbols:
- Not Visited questions in White background colour.
- Answered questions in green colour.
- Unanswered questions in red colour.
- Marked for review questions in purple colour
- The clock will be set at the server. The countdown timer in the top right corner of screen will display the remaining time available to you for completing the examination. When the timer reaches zero, the examination will automatically submit or end by itself. You also can end or submit your examination by clicking on submit button.
- Marked for review status for a question simply indicates that you would like to review the question again.
- Please note that if a question is answered and ‘marked for review’, your answer for that question will be considered in the evaluation.
- You can click on the question palette to navigate faster across questions.
Answering a Question :-
- Procedure for answering multiple-choice type questions:
- To select your answer, click on the button of one of the options.
- To deselect your chosen answer, click again on the button of the chosen option again or click on the Clear Response button.
- To change your chosen answer, click on the button of another option.
- To save your answer, you MUST click on the Save Next button.
- To mark a question for review, click on the Mark for Review & Next button.
- To change answer to a question that has already been answered, select that question from the Question Palette and then follow the procedure for answering that type of question.
- Note that ONLY questions for which answers are either saved or marked for review after answering, will be considered for evaluation.
- To change your answer to a question that has already been answered, first select that question for answering and then follow the procedure for answering that type of question.
- Note that ONLY Questions for which answers are saved or marked for review after answering will be considered for evaluation.
Navigating through sections :-
- Click on the question number in the Question Palette at the right of your screen to go to a question.
- Note that using this option does NOT save your answer.
- Click on Save & Next to save your answer for a question and then move to the next question.
- If you want to keep a question marked for review, click on the button Mark for Review & Next to save your answer for the current question and then proceed to the next question.
Read the following Instruction carefully :-
- This test comprises of multiple-choice questions.
- Each question will have only one of the available options as the correct answer.
- You are advised not to close the browser window before submitting the test.
- In case, if the test does not load completely or becomes unresponsive, click on browser's refresh button to reload.
Marking Scheme :-
- 1 marks will be awarded for each correct answer.
- There will be 0.25 negative marking for each wrong answer.
- No marks will be deducted for un-attempted questions
SECTION
Directions: In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No Error" option.
It was a spectacular performance, (A)/ really loud and hyped up, (B)/ and the audience clapped its hands (C)/ after the performance, purely out of joy. (D)/ No error. (E)
Select the option that can be used as a one-word substitute for the given group of words.
A person who conforms to accepted behaviour or established practices.
In the following sentence, four words are given in bold out of which one word is misspelled. Find the misspelled word
Oil pools are valuable underground accumulations(A) of oil, and oil fields(B) are regions underlein(C) by one or more oil pools originating(D) from organic matter.
Select the most appropriate ANTONYM of the given word.
Serendipity
In the following sentence, four words are given in bold out of which one word is misspelled. Find the misspelled word
Biodiversity or Biological Diversity is immensely(A) rich in wildlife and cultivated species, diverse(B) in form and function but closely integrated(C) into a system through multiple networks of interdependncies(D)
In the following sentence, four words are given in bold out of which one word is misspelled. Find the misspelled word
The clear lesson from the dynamics(A) of both environmental destruction(B) and reconstruction in India is that local communitties(C) everywhere have to be involved in some kind of natural resource management (D)
The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
When Mayank came, / I shall go / with him to / the circus.
In the following sentence, four words are given in bold out of which one word is misspelled. Find the misspelled word
A poem is a composition in verse(A), usually characterized by concentrated and heightend(B) language in which words are chosen for their sound and suggestive(C) power as well as for their meaning and using techniques such as rhythm(D) and meter.
Select the most appropriate ANTONYM of the given word.
Glad
Select the most appropriate option that can substitute the Bold words in the following sentence.
It is raining a lot in April and May, but the summer is very dry.
Direction: Evaluate the following word, accompanied by three sentences containing it. Determine the sentence(s) that accurately convey the meaning of the given word. APPRECIATE
A. I appreciate your kindness and support during this difficult time.
B. My antique collection has significantly appreciated in value over the years.
C. The value of my car will appreciate over time, causing it to be worth less in the future.
Comprehension:
Read the given passage and answer the questions that follow.
Such examples of commercial success, of innovation, drive, vision, determination, adaptability, and adventure are anchored in the basic Indian openness to, and talent for, acquiring material wealth. For every success story there are, of course, dozens of failures. Traditional Indian firms have their strengths, but also their weaknesses, and of these perhaps the most debilitating are a lack of team work and a weakness for quick profit. These reflect ingrained ways of thinking and planning, as does the distrust of anyone outside the family. which inhibits the adoption of modern practices of management. But such weaknesses are more than compensated for by the desire to succeed, which is probably more intense in India, given the omnipresent fear of poverty, the cut-throat competition for each opportunity, and the asphyxiating hold of hierarchy.
What has the Indian talent for acquiring material wealth led to?
Direction: Evaluate the following word, accompanied by three sentences containing it. Determine the sentence(s) that accurately convey the meaning of the given word. Edition
A. The second edition of the fantasy novel included exclusive illustrations.
B. The chef prepared a special edition of the dessert, using a recipe from his grandmother.
C. Due to heavy traffic, she took an edition route to work this morning.
Comprehension:
Read the given passage and answer the questions that follow.
Such examples of commercial success, of innovation, drive, vision, determination, adaptability, and adventure are anchored in the basic Indian openness to, and talent for, acquiring material wealth. For every success story there are, of course, dozens of failures. Traditional Indian firms have their strengths, but also their weaknesses, and of these perhaps the most debilitating are a lack of team work and a weakness for quick profit. These reflect ingrained ways of thinking and planning, as does the distrust of anyone outside the family. which inhibits the adoption of modern practices of management. But such weaknesses are more than compensated for by the desire to succeed, which is probably more intense in India, given the omnipresent fear of poverty, the cut-throat competition for each opportunity, and the asphyxiating hold of hierarchy.
What are the weaknesses of traditional Indian firms?
Directions: Read the given passage carefully to answer the following questions. Each question will have five alternatives as its answer. Choose the correct option as your answer.
Dolphins, often celebrated in folklore and admired for their intelligence, agility, and friendly demeanor, are indeed one of the sea's most fascinating inhabitants. These mammals, belonging ___ the family Delphinidae, navigate the vast expanses of the ocean with a grace and efficiency that has captivated human imagination for centuries. With over 40 species of dolphins discovered to date, they are a testament to the adaptability and diversity of marine life.
One of the most remarkable aspects of dolphins is their sophisticated echolocation ability, which they use to hunt for food and navigate through murky waters. This biological sonar enables dolphins to emit sound waves that bounce off objects, allowing them to "see" their surroundings through sound. This skill is not just a testament to their intelligence but also a critical adaptation for survival in the diverse and sometimes challenging environments they inhabit.
Dolphins are also known for their complex social structures. They live in pods, which can vary in size from a few individuals to over a thousand, depending on the species and environment. These social units are crucial for their survival, aiding in hunting, raising young, and protecting each other from predators. The intricate social behaviors observed in dolphins, including cooperation, altruism, and even grieving, reflect a level of social intelligence that is rare in the animal kingdom.
The relationship between dolphins and the sea is symbiotic and essential. The sea provides a habitat rich in resources, enabling dolphins to thrive. In return, dolphins play a significant role in the marine ecosystem. As apex predators, they help maintain the balance of marine life by controlling fish populations, which can contribute to the health of coral reefs and other marine habitats. Furthermore, dolphins are indicators of ocean health, with their presence or absence often signaling shifts in environmental conditions.
Despite their significance, dolphins face numerous threats from human activities, including pollution, climate change, and entanglement in fishing gear. Conservation efforts are essential to ensure that dolphins continue to flourish in the oceans. Protected marine areas, sustainable fishing practices, and ongoing research and education are critical components of these efforts.
In conclusion, dolphins are not just captivating creatures of the sea; they are pivotal to the marine ecosystem's health and diversity. Their intelligence, social complexity, and symbiotic relationship with the ocean make them a subject of endless fascination and an important focus for conservation. As we continue to unravel the mysteries of these extraordinary animals, it is imperative that we also take steps to protect them and the vibrant habitat they call home.
Choose the synonym for the word "sophisticated" as used in the passage:
Comprehension:
Read the given passage and answer the questions that follow.
Such examples of commercial success, of innovation, drive, vision, determination, adaptability, and adventure are anchored in the basic Indian openness to, and talent for, acquiring material wealth. For every success story there are, of course, dozens of failures. Traditional Indian firms have their strengths, but also their weaknesses, and of these perhaps the most debilitating are a lack of team work and a weakness for quick profit. These reflect ingrained ways of thinking and planning, as does the distrust of anyone outside the family. which inhibits the adoption of modern practices of management. But such weaknesses are more than compensated for by the desire to succeed, which is probably more intense in India, given the omnipresent fear of poverty, the cut-throat competition for each opportunity, and the asphyxiating hold of hierarchy.
Why is the desire to succeed more intense in India?
Directions: Read the given passage carefully to answer the following questions. Each question will have five alternatives as its answer. Choose the correct option as your answer.
Dolphins, often celebrated in folklore and admired for their intelligence, agility, and friendly demeanor, are indeed one of the sea's most fascinating inhabitants. These mammals, belonging ___ the family Delphinidae, navigate the vast expanses of the ocean with a grace and efficiency that has captivated human imagination for centuries. With over 40 species of dolphins discovered to date, they are a testament to the adaptability and diversity of marine life.
One of the most remarkable aspects of dolphins is their sophisticated echolocation ability, which they use to hunt for food and navigate through murky waters. This biological sonar enables dolphins to emit sound waves that bounce off objects, allowing them to "see" their surroundings through sound. This skill is not just a testament to their intelligence but also a critical adaptation for survival in the diverse and sometimes challenging environments they inhabit.
Dolphins are also known for their complex social structures. They live in pods, which can vary in size from a few individuals to over a thousand, depending on the species and environment. These social units are crucial for their survival, aiding in hunting, raising young, and protecting each other from predators. The intricate social behaviors observed in dolphins, including cooperation, altruism, and even grieving, reflect a level of social intelligence that is rare in the animal kingdom.
The relationship between dolphins and the sea is symbiotic and essential. The sea provides a habitat rich in resources, enabling dolphins to thrive. In return, dolphins play a significant role in the marine ecosystem. As apex predators, they help maintain the balance of marine life by controlling fish populations, which can contribute to the health of coral reefs and other marine habitats. Furthermore, dolphins are indicators of ocean health, with their presence or absence often signaling shifts in environmental conditions.
Despite their significance, dolphins face numerous threats from human activities, including pollution, climate change, and entanglement in fishing gear. Conservation efforts are essential to ensure that dolphins continue to flourish in the oceans. Protected marine areas, sustainable fishing practices, and ongoing research and education are critical components of these efforts.
In conclusion, dolphins are not just captivating creatures of the sea; they are pivotal to the marine ecosystem's health and diversity. Their intelligence, social complexity, and symbiotic relationship with the ocean make them a subject of endless fascination and an important focus for conservation. As we continue to unravel the mysteries of these extraordinary animals, it is imperative that we also take steps to protect them and the vibrant habitat they call home.
Why are conservation efforts deemed crucial for dolphins, based on the passage?
Comprehension:
Read the given passage and answer the questions that follow.
Such examples of commercial success, of innovation, drive, vision, determination, adaptability, and adventure are anchored in the basic Indian openness to, and talent for, acquiring material wealth. For every success story there are, of course, dozens of failures. Traditional Indian firms have their strengths, but also their weaknesses, and of these perhaps the most debilitating are a lack of team work and a weakness for quick profit. These reflect ingrained ways of thinking and planning, as does the distrust of anyone outside the family. which inhibits the adoption of modern practices of management. But such weaknesses are more than compensated for by the desire to succeed, which is probably more intense in India, given the omnipresent fear of poverty, the cut-throat competition for each opportunity, and the asphyxiating hold of hierarchy.
Select the most appropriate ANTONYM of the given word with reference to its usage i nthe passage.
Debilitating
Directions: Read the given passage carefully to answer the following questions. Each question will have five alternatives as its answer. Choose the correct option as your answer.
Dolphins, often celebrated in folklore and admired for their intelligence, agility, and friendly demeanor, are indeed one of the sea's most fascinating inhabitants. These mammals, belonging ___ the family Delphinidae, navigate the vast expanses of the ocean with a grace and efficiency that has captivated human imagination for centuries. With over 40 species of dolphins discovered to date, they are a testament to the adaptability and diversity of marine life.
One of the most remarkable aspects of dolphins is their sophisticated echolocation ability, which they use to hunt for food and navigate through murky waters. This biological sonar enables dolphins to emit sound waves that bounce off objects, allowing them to "see" their surroundings through sound. This skill is not just a testament to their intelligence but also a critical adaptation for survival in the diverse and sometimes challenging environments they inhabit.
Dolphins are also known for their complex social structures. They live in pods, which can vary in size from a few individuals to over a thousand, depending on the species and environment. These social units are crucial for their survival, aiding in hunting, raising young, and protecting each other from predators. The intricate social behaviors observed in dolphins, including cooperation, altruism, and even grieving, reflect a level of social intelligence that is rare in the animal kingdom.
The relationship between dolphins and the sea is symbiotic and essential. The sea provides a habitat rich in resources, enabling dolphins to thrive. In return, dolphins play a significant role in the marine ecosystem. As apex predators, they help maintain the balance of marine life by controlling fish populations, which can contribute to the health of coral reefs and other marine habitats. Furthermore, dolphins are indicators of ocean health, with their presence or absence often signaling shifts in environmental conditions.
Despite their significance, dolphins face numerous threats from human activities, including pollution, climate change, and entanglement in fishing gear. Conservation efforts are essential to ensure that dolphins continue to flourish in the oceans. Protected marine areas, sustainable fishing practices, and ongoing research and education are critical components of these efforts.
In conclusion, dolphins are not just captivating creatures of the sea; they are pivotal to the marine ecosystem's health and diversity. Their intelligence, social complexity, and symbiotic relationship with the ocean make them a subject of endless fascination and an important focus for conservation. As we continue to unravel the mysteries of these extraordinary animals, it is imperative that we also take steps to protect them and the vibrant habitat they call home.
Choose the synonym for the word "crucial" as used in the passage.
Comprehension:
Read the given passage and answer the questions that follow.
Such examples of commercial success, of innovation, drive, vision, determination, adaptability, and adventure are anchored in the basic Indian openness to, and talent for, acquiring material wealth. For every success story there are, of course, dozens of failures. Traditional Indian firms have their strengths, but also their weaknesses, and of these perhaps the most debilitating are a lack of team work and a weakness for quick profit. These reflect ingrained ways of thinking and planning, as does the distrust of anyone outside the family. which inhibits the adoption of modern practices of management. But such weaknesses are more than compensated for by the desire to succeed, which is probably more intense in India, given the omnipresent fear of poverty, the cut-throat competition for each opportunity, and the asphyxiating hold of hierarchy.
Select the most appropriate synonym of the given word with reference to its usage in the passage.
Asphyxiating
Directions: Read the given passage carefully to answer the following questions. Each question will have five alternatives as its answer. Choose the correct option as your answer.
Dolphins, often celebrated in folklore and admired for their intelligence, agility, and friendly demeanor, are indeed one of the sea's most fascinating inhabitants. These mammals, belonging ___ the family Delphinidae, navigate the vast expanses of the ocean with a grace and efficiency that has captivated human imagination for centuries. With over 40 species of dolphins discovered to date, they are a testament to the adaptability and diversity of marine life.
One of the most remarkable aspects of dolphins is their sophisticated echolocation ability, which they use to hunt for food and navigate through murky waters. This biological sonar enables dolphins to emit sound waves that bounce off objects, allowing them to "see" their surroundings through sound. This skill is not just a testament to their intelligence but also a critical adaptation for survival in the diverse and sometimes challenging environments they inhabit.
Dolphins are also known for their complex social structures. They live in pods, which can vary in size from a few individuals to over a thousand, depending on the species and environment. These social units are crucial for their survival, aiding in hunting, raising young, and protecting each other from predators. The intricate social behaviors observed in dolphins, including cooperation, altruism, and even grieving, reflect a level of social intelligence that is rare in the animal kingdom.
The relationship between dolphins and the sea is symbiotic and essential. The sea provides a habitat rich in resources, enabling dolphins to thrive. In return, dolphins play a significant role in the marine ecosystem. As apex predators, they help maintain the balance of marine life by controlling fish populations, which can contribute to the health of coral reefs and other marine habitats. Furthermore, dolphins are indicators of ocean health, with their presence or absence often signaling shifts in environmental conditions.
Despite their significance, dolphins face numerous threats from human activities, including pollution, climate change, and entanglement in fishing gear. Conservation efforts are essential to ensure that dolphins continue to flourish in the oceans. Protected marine areas, sustainable fishing practices, and ongoing research and education are critical components of these efforts.
In conclusion, dolphins are not just captivating creatures of the sea; they are pivotal to the marine ecosystem's health and diversity. Their intelligence, social complexity, and symbiotic relationship with the ocean make them a subject of endless fascination and an important focus for conservation. As we continue to unravel the mysteries of these extraordinary animals, it is imperative that we also take steps to protect them and the vibrant habitat they call home.
What adaptation do dolphins use for hunting and navigating through murky waters, as described in the passage?
Directions: Read the given passage carefully to answer the following questions. Each question will have five alternatives as its answer. Choose the correct option as your answer.
Dolphins, often celebrated in folklore and admired for their intelligence, agility, and friendly demeanor, are indeed one of the sea's most fascinating inhabitants. These mammals, belonging ___ the family Delphinidae, navigate the vast expanses of the ocean with a grace and efficiency that has captivated human imagination for centuries. With over 40 species of dolphins discovered to date, they are a testament to the adaptability and diversity of marine life.
One of the most remarkable aspects of dolphins is their sophisticated echolocation ability, which they use to hunt for food and navigate through murky waters. This biological sonar enables dolphins to emit sound waves that bounce off objects, allowing them to "see" their surroundings through sound. This skill is not just a testament to their intelligence but also a critical adaptation for survival in the diverse and sometimes challenging environments they inhabit.
Dolphins are also known for their complex social structures. They live in pods, which can vary in size from a few individuals to over a thousand, depending on the species and environment. These social units are crucial for their survival, aiding in hunting, raising young, and protecting each other from predators. The intricate social behaviors observed in dolphins, including cooperation, altruism, and even grieving, reflect a level of social intelligence that is rare in the animal kingdom.
The relationship between dolphins and the sea is symbiotic and essential. The sea provides a habitat rich in resources, enabling dolphins to thrive. In return, dolphins play a significant role in the marine ecosystem. As apex predators, they help maintain the balance of marine life by controlling fish populations, which can contribute to the health of coral reefs and other marine habitats. Furthermore, dolphins are indicators of ocean health, with their presence or absence often signaling shifts in environmental conditions.
Despite their significance, dolphins face numerous threats from human activities, including pollution, climate change, and entanglement in fishing gear. Conservation efforts are essential to ensure that dolphins continue to flourish in the oceans. Protected marine areas, sustainable fishing practices, and ongoing research and education are critical components of these efforts.
In conclusion, dolphins are not just captivating creatures of the sea; they are pivotal to the marine ecosystem's health and diversity. Their intelligence, social complexity, and symbiotic relationship with the ocean make them a subject of endless fascination and an important focus for conservation. As we continue to unravel the mysteries of these extraordinary animals, it is imperative that we also take steps to protect them and the vibrant habitat they call home.
Which of the following statement(s) can be true as per the passage?
A. Dolphins are known for their remarkable ability to heal from injuries rapidly, including significant wounds from sharks or boats.
B. The use of echolocation by dolphins is primarily for communication purposes, rather than for navigation or hunting.
C. Dolphins have been observed using tools, such as marine sponges, to protect their snouts while foraging on the seafloor.
Directions: Read the given passage carefully to answer the following questions. Each question will have five alternatives as its answer. Choose the correct option as your answer.
Dolphins, often celebrated in folklore and admired for their intelligence, agility, and friendly demeanor, are indeed one of the sea's most fascinating inhabitants. These mammals, belonging ___ the family Delphinidae, navigate the vast expanses of the ocean with a grace and efficiency that has captivated human imagination for centuries. With over 40 species of dolphins discovered to date, they are a testament to the adaptability and diversity of marine life.
One of the most remarkable aspects of dolphins is their sophisticated echolocation ability, which they use to hunt for food and navigate through murky waters. This biological sonar enables dolphins to emit sound waves that bounce off objects, allowing them to "see" their surroundings through sound. This skill is not just a testament to their intelligence but also a critical adaptation for survival in the diverse and sometimes challenging environments they inhabit.
Dolphins are also known for their complex social structures. They live in pods, which can vary in size from a few individuals to over a thousand, depending on the species and environment. These social units are crucial for their survival, aiding in hunting, raising young, and protecting each other from predators. The intricate social behaviors observed in dolphins, including cooperation, altruism, and even grieving, reflect a level of social intelligence that is rare in the animal kingdom.
The relationship between dolphins and the sea is symbiotic and essential. The sea provides a habitat rich in resources, enabling dolphins to thrive. In return, dolphins play a significant role in the marine ecosystem. As apex predators, they help maintain the balance of marine life by controlling fish populations, which can contribute to the health of coral reefs and other marine habitats. Furthermore, dolphins are indicators of ocean health, with their presence or absence often signaling shifts in environmental conditions.
Despite their significance, dolphins face numerous threats from human activities, including pollution, climate change, and entanglement in fishing gear. Conservation efforts are essential to ensure that dolphins continue to flourish in the oceans. Protected marine areas, sustainable fishing practices, and ongoing research and education are critical components of these efforts.
In conclusion, dolphins are not just captivating creatures of the sea; they are pivotal to the marine ecosystem's health and diversity. Their intelligence, social complexity, and symbiotic relationship with the ocean make them a subject of endless fascination and an important focus for conservation. As we continue to unravel the mysteries of these extraordinary animals, it is imperative that we also take steps to protect them and the vibrant habitat they call home.
Choose the antonym for the word "diverse" as used in the passage:
Directions: Read the given passage carefully to answer the following questions. Each question will have five alternatives as its answer. Choose the correct option as your answer.
Dolphins, often celebrated in folklore and admired for their intelligence, agility, and friendly demeanor, are indeed one of the sea's most fascinating inhabitants. These mammals, belonging ___ the family Delphinidae, navigate the vast expanses of the ocean with a grace and efficiency that has captivated human imagination for centuries. With over 40 species of dolphins discovered to date, they are a testament to the adaptability and diversity of marine life.
One of the most remarkable aspects of dolphins is their sophisticated echolocation ability, which they use to hunt for food and navigate through murky waters. This biological sonar enables dolphins to emit sound waves that bounce off objects, allowing them to "see" their surroundings through sound. This skill is not just a testament to their intelligence but also a critical adaptation for survival in the diverse and sometimes challenging environments they inhabit.
Dolphins are also known for their complex social structures. They live in pods, which can vary in size from a few individuals to over a thousand, depending on the species and environment. These social units are crucial for their survival, aiding in hunting, raising young, and protecting each other from predators. The intricate social behaviors observed in dolphins, including cooperation, altruism, and even grieving, reflect a level of social intelligence that is rare in the animal kingdom.
The relationship between dolphins and the sea is symbiotic and essential. The sea provides a habitat rich in resources, enabling dolphins to thrive. In return, dolphins play a significant role in the marine ecosystem. As apex predators, they help maintain the balance of marine life by controlling fish populations, which can contribute to the health of coral reefs and other marine habitats. Furthermore, dolphins are indicators of ocean health, with their presence or absence often signaling shifts in environmental conditions.
Despite their significance, dolphins face numerous threats from human activities, including pollution, climate change, and entanglement in fishing gear. Conservation efforts are essential to ensure that dolphins continue to flourish in the oceans. Protected marine areas, sustainable fishing practices, and ongoing research and education are critical components of these efforts.
In conclusion, dolphins are not just captivating creatures of the sea; they are pivotal to the marine ecosystem's health and diversity. Their intelligence, social complexity, and symbiotic relationship with the ocean make them a subject of endless fascination and an important focus for conservation. As we continue to unravel the mysteries of these extraordinary animals, it is imperative that we also take steps to protect them and the vibrant habitat they call home.
Fill in the Blank: "These mammals, belonging ___ the family Delphinidae, navigate the vast expanses of the ocean with a grace and efficiency that has captivated human imagination for centuries."
Directions: Read the given passage carefully to answer the following questions. Each question will have five alternatives as its answer. Choose the correct option as your answer.
Dolphins, often celebrated in folklore and admired for their intelligence, agility, and friendly demeanor, are indeed one of the sea's most fascinating inhabitants. These mammals, belonging ___ the family Delphinidae, navigate the vast expanses of the ocean with a grace and efficiency that has captivated human imagination for centuries. With over 40 species of dolphins discovered to date, they are a testament to the adaptability and diversity of marine life.
One of the most remarkable aspects of dolphins is their sophisticated echolocation ability, which they use to hunt for food and navigate through murky waters. This biological sonar enables dolphins to emit sound waves that bounce off objects, allowing them to "see" their surroundings through sound. This skill is not just a testament to their intelligence but also a critical adaptation for survival in the diverse and sometimes challenging environments they inhabit.
Dolphins are also known for their complex social structures. They live in pods, which can vary in size from a few individuals to over a thousand, depending on the species and environment. These social units are crucial for their survival, aiding in hunting, raising young, and protecting each other from predators. The intricate social behaviors observed in dolphins, including cooperation, altruism, and even grieving, reflect a level of social intelligence that is rare in the animal kingdom.
The relationship between dolphins and the sea is symbiotic and essential. The sea provides a habitat rich in resources, enabling dolphins to thrive. In return, dolphins play a significant role in the marine ecosystem. As apex predators, they help maintain the balance of marine life by controlling fish populations, which can contribute to the health of coral reefs and other marine habitats. Furthermore, dolphins are indicators of ocean health, with their presence or absence often signaling shifts in environmental conditions.
Despite their significance, dolphins face numerous threats from human activities, including pollution, climate change, and entanglement in fishing gear. Conservation efforts are essential to ensure that dolphins continue to flourish in the oceans. Protected marine areas, sustainable fishing practices, and ongoing research and education are critical components of these efforts.
In conclusion, dolphins are not just captivating creatures of the sea; they are pivotal to the marine ecosystem's health and diversity. Their intelligence, social complexity, and symbiotic relationship with the ocean make them a subject of endless fascination and an important focus for conservation. As we continue to unravel the mysteries of these extraordinary animals, it is imperative that we also take steps to protect them and the vibrant habitat they call home.
Which of the following statement(s) can be false as per the passage?
A. Dolphins communicate solely through body language, lacking any form of vocal communication.
B. The diet of dolphins consists entirely of plant-based materials, such as seaweed and aquatic plants.
C. Dolphins' social structures are flexible, allowing them to form various types of groups based on activities and social connections.
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