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March 2, 2024

Best iit jee coaching in janakpuri

DD Target PMT – The Best IIT JEE Coaching in Janakpuri

Introduction: Embarking on the journey to crack the IIT JEE (Indian Institutes of Technology Joint Entrance Examination) is no small feat. It requires dedication, perseverance, and, most importantly, the right guidance. With numerous coaching centers claiming to be the best, finding the perfect one can be overwhelming. However, amidst the hustle and bustle of Janakpuri, one name stands out – DD Target PMT. Let’s delve into what makes it the best IIT JEE coaching in Janakpuri. DD Target PMT has earned its reputation through years of consistent excellence. Founded with the vision to provide top-notch coaching for medical and engineering entrance exams, the institute has successfully guided countless students to achieve their dream of entering prestigious institutions like the IITs. The legacy of excellence is a testament to the institute’s commitment to quality education. The heart of any coaching institute lies in its faculty, and DD Target PMT takes pride in its team of experienced and knowledgeable educators. The faculty members are not just teachers; they are mentors who understand the challenges students face in preparing for highly competitive exams. Their expertise in the subjects, coupled with a passion for teaching, creates an environment conducive to learning and growth. The Best IIT JEE Coaching in Janakpuri, DD Target PMT, offers a meticulously crafted curriculum that covers the entire spectrum of the IIT JEE syllabus. Regular updates to study materials keep pace with the latest exam patterns and trends. The institute ensures that students not only grasp fundamental concepts but also develop problem-solving skills crucial for success in competitive exams. Recognizing that each student is unique with varying strengths and weaknesses, DD Target PMT adopts a personalized approach to coaching. The institute conducts regular assessments to identify areas that need improvement for individual students. This allows for tailored guidance, ensuring that every student receives the attention and support required to excel in the exam. A conducive learning environment is essential for effective preparation. DD Target PMT boasts state-of-the-art infrastructure, including well-equipped classrooms, libraries, and advanced laboratories. The institute invests in technology and resources to provide students with the best possible learning experience. Ultimately, the success of a coaching institute is measured by the success of its students. DD Target PMT has consistently produced outstanding results in the IIT JEE exams. Many of its alumni have not only secured admissions in premier engineering institutions but have also excelled in their academic and professional pursuits. The institute’s result-oriented approach reflects its dedication to shaping successful futures. DD Target PMT believes in nurturing not only academic excellence but also the overall personality development of its students. The institute organizes extracurricular activities, seminars, and workshops to enhance students’ communication skills, critical thinking, and problem-solving abilities. This holistic approach ensures that students are well-prepared not just for exams but for the challenges of life beyond academics. In conclusion, DD Target PMT stands as the epitome of the best IIT JEE coaching in Janakpuri. Its legacy, experienced faculty, comprehensive curriculum, personalized approach, state-of-the-art infrastructure, result-oriented approach, and holistic development initiatives collectively contribute to its unmatched reputation. So, if you are aspiring to crack the IIT JEE and are searching for the perfect coaching institute in Janakpuri, look no further than DD Target PMT. Your journey to success begins here, where excellence is not just a goal but a tradition. Choose the best and pave the way for a bright future in the world of engineering.

NCERT Solutions for Class 12 Science Chemistry Chapter 5 – Biomolecules

Explore the highly sought-after NCERT Solutions for Class 12 Science Chemistry Chapter 5: Biomolecules. These step-by-step solutions offer clear explanations, making them a favorite among Chemistry students. Whether you’re completing homework assignments or gearing up for exams, the Biomolecules Solutions for Class 12 Science provide a valuable resource. All questions and answers from Chapter 5 of the NCERT Book for Class 12 Science Chemistry are readily available here for free, ensuring a convenient and effective study experience. Page No 412: Question 14.1: Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered ring compounds) are insoluble in water. Explain. ANSWER: A glucose molecule contains five −OH groups while a sucrose molecule contains eight −OH groups. Thus, glucose and sucrose undergo extensive H-bonding with water. Hence, these are soluble in water. But cyclohexane and benzene do not contain −OH groups. Hence, they cannot undergo H-bonding with water and as a result, are insoluble in water. Page No 412: Question 14.2: What are the expected products of hydrolysis of lactose? ANSWER: Lactose is composed of β-D galactose and β-D glucose. Thus, on hydrolysis, it gives β-D galactose and β-D glucose. Page No 412: Question 14.3: How do you explain the absence of aldehyde group in the pentaacetate of D-glucose? ANSWER: D-glucose reacts with hydroxylamine (NH2OH) to form an oxime because of the presence of aldehydic (−CHO) group or carbonyl carbon. This happens as the cyclic structure of glucose forms an open chain structure in an aqueous medium, which then reacts with NH2OH to give an oxime. But pentaacetate of D-glucose does not react with NH2OH. This is because pentaacetate does not form an open chain structure. Page No 417: Question 14.4: The melting points and solubility in water of amino acids are generally higher than that of the corresponding halo acids. Explain. ANSWER: Both acidic (carboxyl) as well as basic (amino) groups are present in the same molecule of amino acids. In aqueous solutions, the carboxyl group can lose a proton and the amino group can accept a proton, thus giving rise to a dipolar ion known as a zwitter ion. Due to this dipolar behaviour, they have strong electrostatic interactions within them and with water. But halo-acids do not exhibit such dipolar behaviour. For this reason, the melting points and the solubility of amino acids in water is higher than those of the corresponding halo-acids. Page No 417: Question 14.5: Where does the water present in the egg go after boiling the egg? ANSWER: When an egg is boiled, the proteins present inside the egg get denatured and coagulate. After boiling the egg, the water present in it is absorbed by the coagulated protein through H-bonding. Page No 422: Question 14.6: Why cannot vitamin C be stored in our body? ANSWER: Vitamin C cannot be stored in our body because it is water soluble. As a result, it is readily excreted in the urine. Page No 422: Question 14.7: What products would be formed when a nucleotide from DNA containing thymine is hydrolysed? ANSWER: When a nucleotide from the DNA containing thymine is hydrolyzed, thymine β-D-2-deoxyribose and phosphoric acid are obtained as products. Page No 422: Question 14.8: When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA? ANSWER: A DNA molecule is double-stranded in which the pairing of bases occurs. Adenine always pairs with thymine, while cytosine always pairs with guanine. Therefore, on hydrolysis of DNA, the quantity of adenine produced is equal to that of thymine and similarly, the quantity of cytosine is equal to that of guanine. But when RNA is hydrolyzed, there is no relationship among the quantities of the different bases obtained. Hence, RNA is single-stranded. Page No 423: Question 14.1: What are monosaccharides? ANSWER: Monosaccharides are carbohydrates that cannot be hydrolysed further to give simpler units of polyhydroxy aldehyde or ketone. Monosaccharides are classified on the bases of number of carbon atoms and the functional group present in them. Monosaccharides containing an aldehyde group are known as aldoses and those containing a keto group are known as ketoses. Monosaccharides are further classified as trioses, tetroses, pentoses, hexoses, and heptoses according to the number of carbon atoms they contain. For example, a ketose containing 3 carbon atoms is called ketotriose and an aldose containing 3 carbon atoms is called aldotriose. Page No 423: Question 14.2: What are reducing sugars? ANSWER: Reducing sugars are carbohydrates that reduce Fehling’s solution and Tollen’s reagent. All monosaccharides and disaccharides, excluding sucrose, are reducing sugars. Page No 423: Question 14.3: Write two main functions of carbohydrates in plants. ANSWER: Two main functions of carbohydrates in plants are: (i) Polysaccharides such as starch serve as storage molecules. (ii) Cellulose, a polysaccharide, is used to build the cell wall. Page No 423: Question 14.4: Classify the following into monosaccharides and disaccharides. Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose ANSWER: Monosaccharides: Ribose, 2-deoxyribose, galactose, fructose Disaccharides: Maltose, lactose Page No 423: Question 14.5: What do you understand by the term glycosidic linkage? ANSWER: Glycosidic linkage refers to the linkage formed between two monosaccharide units through an oxygen atom by the loss of a water molecule. For example, in a sucrose molecule, two monosaccharide units, ∝-glucose and β-fructose, are joined together by a glycosidic linkage. Page No 423: Question 14.6: What is glycogen? How is it different from starch? ANSWER: Glycogen is a carbohydrate (polysaccharide). In animals, carbohydrates are stored as glycogen. Starch is a carbohydrate consisting of two components − amylose (15 − 20%) and amylopectin (80 − 85%). However, glycogen consists of only one component whose structure is similar to amylopectin. Also, glycogen is more branched than amylopectin. Page No 423: Question 14.7: What are the hydrolysis products of (i) sucrose and (ii) lactose? ANSWER: (i) On hydrolysis, sucrose gives one molecule of ∝-D glucose and one molecule of β- D-fructose. (ii) The hydrolysis of lactose gives β-D-galactose and β-D-glucose. Page No 423: Question 14.8: What is the basic structural difference between starch and cellulose? ANSWER: Starch consists of two components …

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