English Questions with Answers for NCET Exam set 1

 

Reading Comprehension: The Sentinels of the Sea

 

The Great Barrier Reef, situated off the coast of Queensland, Australia, is the world's largest coral reef system, composed of over 2,900 individual reefs and 900 islands. Spanning over 2,300 kilometers, it is so vast that it can be seen from outer space. This ecosystem is not merely a geographical wonder but a biological powerhouse, supporting thousands of species of marine life, including 1,500 species of fish and 411 types of hard coral.

However, this UNESCO World Heritage site faces a dire threat: coral bleaching. Corals maintain a symbiotic relationship with microscopic algae called zooxanthellae, which live inside their tissues. These algae provide the coral with up to 90% of its energy through photosynthesis and give the reefs their vibrant colors. When ocean temperatures rise even by 1 DEGREE C to 2 degree C above the average summer maximum, corals become stressed and expel the algae. Without the zooxanthellae, the coral loses its primary food source and turns bone-white.

While a bleached coral is not immediately dead, it is under extreme stress and is more susceptible to disease. If the water temperature returns to normal quickly, the coral can regain its algae and recover. However, prolonged heat stress leads to mass mortality. Since 2016, the Great Barrier Reef has experienced several mass bleaching events, primarily driven by anthropogenic (human-induced) climate change and the warming of the Pacific Ocean. Conservationists argue that while local management of water quality is important, the only long-term solution is a global reduction in carbon emissions to stabilize sea temperatures.

Practice Questions (MCQ)

1. According to the passage, what is the primary function of zooxanthellae in the coral reef ecosystem?

A) To protect the coral from predatory fish.

B) To provide the coral with oxygen and structural support.

C) To provide energy through photosynthesis and impart color.

D) To regulate the temperature of the surrounding seawater.

2. What is the immediate physical indicator that a coral reef is undergoing "bleaching"?

A) The coral begins to crumble into sand.

B) The coral turns white after expelling its symbiotic algae.

C) The coral changes its shape to adapt to deeper water.

D) The coral secretes a dark pigment to block sunlight.

3. Which of the following statements is TRUE regarding a bleached coral?

A) A bleached coral is biologically dead.

B) A bleached coral can never recover its original color.

C) A bleached coral is under stress but remains alive.

D) Bleaching only occurs in the 900 islands of the reef.

4. What does the term "anthropogenic" most likely mean in the context of the third paragraph?

A) Naturally occurring over millions of years.

B) Caused or influenced by human activity.

C) Related to the movement of tectonic plates.

D) Specific to the Australian geographical region.

5. What is the suggested long-term solution for protecting the Great Barrier Reef?

A) Increasing the number of fish species in the reef.

B) Relocating the coral to cooler parts of the ocean.

C) Global reduction of carbon emissions.

D) Building underwater barriers to block warm currents.

 

Question	Answer	Explanation
1	C	The text states they provide 90% of the coral's energy and vibrant colors.
2	B	Bleaching is defined by the coral turning "bone-white" after expelling algae.
3	C	The passage explicitly says, "a bleached coral is not immediately dead."
4	B	It refers to human-induced climate change.
5	C	The final sentence identifies this as the "only long-term solution."

 

 

2 - Reading Comprehension: The Green Revolution in India

The Green Revolution, which began in the mid-1960s, represents a pivotal period in Indian agricultural history. Before this initiative, India was frequently hit by famines and relied heavily on food imports, particularly under the "PL-480" scheme from the United States. To achieve "Atmanirbharta" (self-reliance), the Indian government, led by figures like M.S. Swaminathan and supported by the innovations of Norman Borlaug, introduced High-Yielding Variety (HYV) seeds, particularly for wheat and rice.

The success of the Green Revolution was not solely due to the seeds themselves but rather a "package technology." This included the intensive use of chemical fertilizers, pesticides, and sophisticated irrigation systems. Regions with assured water supply, such as Punjab, Haryana, and Western Uttar Pradesh, were the primary beneficiaries in the first phase. Consequently, India transformed from a food-deficient nation to one of the world's leading agricultural producers, achieving a significant "Wheat Revolution."

However, the movement has faced criticism for its long-term environmental and socio-economic impacts. The heavy reliance on groundwater for irrigation has led to a depletion of water tables in northern India. Furthermore, the excessive use of chemical inputs has affected soil fertility and biodiversity. Economically, while it enriched many farmers, it also widened the gap between large-scale landholders and small-scale marginal farmers who could not afford the expensive inputs required for HYV cultivation.

Multiple Choice Questions (MCQ)

1. What was the primary objective of the Green Revolution in India during the 1960s?

A) To promote the export of cash crops like cotton and silk.

B) To achieve self-reliance in food grain production.

C) To redistribute land from wealthy landlords to the landless.

D) To reduce the use of chemical fertilizers in farming.

2. The Green Revolution is often referred to as a "package technology" because:

A) It involved a combination of HYV seeds, irrigation, and chemical inputs.

B) The seeds were sold in pre-packaged containers by the government.

C) It was part of a diplomatic package signed with the United States.

D) It only focused on the packaging and distribution of wheat.

3. Which regions were the initial beneficiaries of the first phase of the Green Revolution?

A) The arid regions of Rajasthan and Gujarat.

B) The coastal areas of Kerala and Tamil Nadu.

C) Punjab, Haryana, and Western Uttar Pradesh.

D) The North-Eastern states like Assam and Nagaland.

4. What has been a significant environmental criticism of the Green Revolution?

A) It caused a decrease in the overall production of food grains.

B) It led to the over-exploitation of groundwater resources.

C) It prevented the use of modern machinery in the fields.

D) It made the soil too fertile for traditional crops to grow.

5. According to the passage, why did the Green Revolution widen the socio-economic gap?

A) Large farmers moved to cities, leaving small farmers behind.

B) Only small farmers were given government subsidies.

C) Small farmers could not afford the expensive inputs like HYV seeds and fertilizers.

D) The government banned small farmers from using the new technology.

 

3 - Reading Comprehension: The Blue Economy and Ocean Governance

The concept of the "Blue Economy" has emerged as a critical framework for sustainable development in the 21st century. While the "Green Economy" focuses on land-based ecosystems, the Blue Economy emphasizes the sustainable use of ocean resources for economic growth, improved livelihoods, and jobs while preserving the health of ocean ecosystems. Covering more than 70% of the Earth’s surface, oceans are a vital source of food, energy, and minerals, and they act as a primary regulator of the global climate.

Traditional maritime activities, such as industrial fishing and shipping, have often led to overexploitation and pollution. In contrast, the Blue Economy encourages "decoupling" socio-economic development from environmental degradation. This involves investing in emerging sectors like offshore wind and solar energy, marine biotechnology, and sustainable aquaculture. For a country like India, with a coastline exceeding 7,500 kilometers and numerous island territories, the Blue Economy holds immense strategic and economic potential.

However, transitioning to a Blue Economy requires robust ocean governance and international cooperation. Issues such as "marine plastic pollution," "acidification," and "illegal, unreported, and unregulated (IUU) fishing" cross national borders. Effective management involves Marine Spatial Planning (MSP), which maps out where different activities—like conservation, tourism, and energy production—can occur without conflicting with one another. The goal is to ensure that the "Common Heritage of Mankind" remains productive for future generations.

Multiple Choice Questions (MCQ)

1. What is the fundamental difference between the "Green Economy" and the "Blue Economy" as described in the passage?

A) The Green Economy focuses on technology, while the Blue Economy focuses on labor.

B) The Green Economy is about land ecosystems, whereas the Blue Economy is about ocean resources.

C) The Blue Economy only allows for traditional fishing, unlike the Green Economy.

D) There is no difference; they are two names for the same concept.

2. What does the term "decoupling" refer to in the context of the Blue Economy?

A) Separating the islands from the mainland for better administration.

B) Disconnecting electronic devices from marine power grids.

C) Achieving economic growth without causing further environmental damage.

D) Moving from maritime trade to land-based trade.

3. Which of the following is an "emerging sector" of the Blue Economy mentioned in the text?

A) Industrial deep-sea trawling.

B) Marine biotechnology.

C) Plastic manufacturing.

D) Traditional wooden boat building.

4. According to the passage, why is Marine Spatial Planning (MSP) necessary?

A) To build more islands for residential purposes.

B) To prevent different ocean activities from conflicting with each other.

C) To increase the speed of shipping vessels.

D) To completely stop all human activity in the ocean.

5. Why is international cooperation essential for the Blue Economy?

A) Because the oceans are owned by a single global corporation.

B) Because marine threats like pollution and IUU fishing do not respect national borders.

C) Because only landlocked countries have the technology for ocean governance.

D) Because the passage states that the Blue Economy is a "failed concept" without it.

 

Question	Answer	Explanation
1	B	The passage clearly distinguishes them by their focus: land vs. ocean.
2	C	Decoupling refers to breaking the link between economic progress and environmental harm.
3	B	Marine biotechnology is listed alongside offshore energy and aquaculture as a modern sector.
4	B	MSP is used to map and organize various activities to ensure they coexist sustainably.
5	B	Since ocean issues (like plastic and acidification) are global, no single country can solve them alone.