CBSE Class 12 English Core Sample Paper 2015 Set 03 Solved

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Explore authentic exam practice materials through the CBSE Class 12 English Core Sample Paper 2015 Set 03 Solved. Tailored for Class 12 learners, utilizing these English sample papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.

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SECTION A:

READING: 

1.Read the passage given below and answer the questions which follow: 

(1) There are two types of diabetes, insulin-dependent and non-insulin-dependent. Between 90–95% of the estimated 13–14 million people in the United States with diabetes have non-insulin-dependent, or Type II, diabetes. Because this form of diabetes usually begins in adults over the age of 40 and is most common after the age of 55, it used to be called adult-onset diabetes. Its symptoms often develop gradually and are hard to identify at first; therefore, nearly half of all people with diabetes do not know they have it. For instance, someone who has developed Type II diabetes may feel tired or ill without knowing why. This can be particularly dangerous because untreated diabetes can cause damage to the heart, blood vessels, eyes, kidneys, and nerves. While the causes, short-term effects, and treatments of the two types of diabetes differ, both types can cause the same long-term health problems.

(2) Most importantly, both types affect the body's ability to use digested food for energy. Diabetes does not interfere with digestion, but it does prevent the body from using an important product of digestion, glucose (commonly known as sugar), for energy. After a meal, the normal digestive system breaks some food down into glucose. The blood carries the glucose or sugar throughout the body, causing blood glucose levels to rise. In response to this rise, the hormone insulin is released into the bloodstream and signals the body tissues to metabolize or burn the glucose for fuel, which causes blood glucose levels to return to normal. The glucose that the body does not use right away is stored in the liver, muscle, or fat.

(3) In both types of diabetes, however, this normal process malfunctions. A gland called the pancreas, found just behind the stomach, makes insulin. In people with insulin-dependent diabetes, the pancreas does not produce insulin at all. This condition usually begins in childhood and is known as Type I (formerly called juvenile-onset) diabetes. These patients must have daily insulin injections to survive. People with non-insulin-dependent diabetes usually produce some insulin in their pancreas, but their bodies' tissues do not respond well to the insulin signal and, therefore, do not metabolize the glucose properly, a condition known as insulin resistance.

(4) Insulin resistance is an important factor in non-insulin-dependent diabetes, and scientists are searching for the causes of insulin resistance. They have identified two possibilities. The first is that there could be a defect in the insulin receptors on cells. Like an appliance that needs to be plugged into an electrical outlet, insulin has to bind to a receptor in order to function. Several things can go wrong with receptors. For example, there may not be enough receptors to which insulin may bind, or a defect in the receptors may prevent insulin from binding. The second possible cause of insulin resistance is that, although insulin may bind to the receptors, the cells do not read the signal to metabolize the glucose. Scientists continue to study these cells to see why this might happen.
 
(5) There's no cure for diabetes yet. However, there are ways to alleviate its symptoms. In 1986, the National Institute of Health panel of experts recommended that the best treatment for non-insulindependent diabetes is a diet that helps one maintain a normal weight and pays particular attention to a proper balance of the different food groups. Many experts, including those in the American Diabetes Association, recommend that 50–60% of daily calories come from carbohydrates, 12–20% from protein, and no more than 30% from fat. Foods that are rich in carbohydrates, like breads, cereals, fruits, and vegetables, break down into glucose during digestion, causing blood glucose to rise. Additionally, studies have shown that cooked foods raise blood glucose higher than raw, unpeeled foods. A doctor or nutritionist should always be consulted for more of this kind of information and for help in planning a diet to off set the effects of this form of diabetes.
 
1.1 Answer the following questions: 9 marks
 
a.What may be the most dangerous aspect of Type II diabetes? 
 
b.What is common and uncommon for Type I and Type II diabetes? 
 
c.What is the main function of insulin? 
 
d. Where is excess glucose stored?. 
 
e.What are the causes of insulin resistance in non-insulin-dependent diabetes? 
 
f.What kind of a treatment is recommended for non-insulin-dependent diabetics? 
 
1.2 Find the words/phrases from the passage which mean the same as:
 
a. Beginning (Para 1)
 
b.React (Para 3)
 
c.Counter act (Para 5)



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Explore downloadable sample sets for Class 12 English. Utilizing the CBSE Class 12 English Core Sample Paper 2015 Set 03 Solved allows learners to gauge exam readiness and master official CBSE assessment structures.

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  • Curriculum Insights: Clarify chapter-wise weightage rules and question trends across Class 12.
  • Gap Analysis: Check performance drops across sets to isolate specific Class 12 English topics needing extra attention.
  • Time Efficiency: Working through objective and descriptive problems builds critical pacing to finish exams comfortably.

Post-Practice Strategy for Class 12 English

  1. Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
  2. Error Analysis: Class 12 learners must review incorrect answers carefully to understand underlying mistakes.
  3. Concept Reinforcement: Consult the official NCERT book for Class 12 English when stuck before re-attempting problems.

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