Chemistry in Indology and Physical and Mental Well-Being — DU B.Sc (hons) Chemistry Previous Year Question Papers

Answer any six questions, all questions cany equal marks. Meditation (LKM)? (5) b. How does nutrition affect brain function and mood regulation? Why is pr'otein intake essential for muscle recovery after exercise? (5) c. Discuss the contributions of south Indian ironworks in the development of wootz a. What role does the TCA cycle play in energy metabolism? (5) b.Comparedirectandindirectmethodsofbodycompositionanalysis,mentioning their advantages and limitations. (5) c. Discuss the contribution of Indian chemists to early inorganic chemistry. (5) a. Explain the concepts of BMI and BMR, and discuss how they help in assessing an individual's nutritional and metabolic health. (5) b. Discuss in detail the neurophysiological basis of various states of mind, explaining the role of brain wave patterns and neuroimaging evidence. (5) c. Discuss how yogic postures, breathing, and meditation contribute to physical, physiological, and mental well-being. (5) a.i. Define atom and molecule with suitable examples. (2.5) (5, 5, 5 -]5) ii. How do laws of motion help explain Chemical reactions at molecular level? (2.5) b. Discuss the use and purification of mercury (Parada Samskara) in Indian 'alchemy. (5) c. Describe Newton's three laws of motion with one real-life application each. (5) 5. a. Differentiate between dyes and pigments with examples (5) b. Discuss the significance of the Delhi Iron Pillar in aLcien`t inetallurgy. (5) c. Explain the process of extraction of zinc and its importance. (5) 6. a. Discuss the role of slz4/p%zfr /Gcr#c}fec}4czJ in Indian alchemy. (5) b. Describe Govz.#c7czcfrcnyc7 's and yclLsfroc}rfecrrcr 5 contributions to Indian chelnical thought. (5) rc. Elaborate on the role of hydration and electrolytes in maintaining water balance during exercise. (5) 7. 8. a. Discuss how ancient Indian thinkers understood energy and matter interconversion. (5) b. What is the role of Acharya Vagbhatta in ancient chemistry. (5) c. Compare the benefits of yoga with aerobic exercise in terms of cardiovascular and stress-related parameters. (5) a. rlow were cosmetics prepared from herbal and mineral sources? Give two examples. (5) b. How did ancient Indians understand oxidation and reduction processes? (5) c. Explain the role of chemical reactions in ancient Indian rituals. (5)