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Answer:1) Nutrients are compounds in foods essential to life and health, providing us with energy, the building blocks for repair and growth and substances necessary to regulate chemical processes. There are six major nutrients: Carbohydrates (CHO), Lipids (fats), Proteins, Vitamins, Minerals, Water. 2) Organisms need to take food to get energy and perform life processes. A living organism undergoes many life processes like nutrition, respiration, digestion, transportation, excretion, circulation of blood, and reproduction. To perform all these life processes the organism needs energy and nutrients. 3)The major components of feedstuffs are moisture, lipids, protein, fibre, carbohydrate, minerals and vitamins.Moisture. Moisture (water) is an important diluent of the nutrients in feedstuffs. ...Lipids and Fatty Acids. ... Proteins and Amino Acids. ...Carbohydrate. ...Energy. ... Minerals. 4) There are two modes of nutrition: Autotrophic – Plants exhibit autotrophic nutrition and are called as a primary producer. Plants synthesis their food by using light, carbon dioxide and water. Heterotrophic – Both animals and human beings are called heterotrophs, as they depend on plants for their food.5)Our body cannot prepare food due to the absence of chlorophyll pigment. This is the only pigment that can absorb solar radiation. Without solar energy, photosynthesis cannot be possible.6)The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter.7)Leaves are small solar-powered food factories. Through a process called photosynthesis they make their own food. Using only water, carbon dioxide and the Sun's energy, they produce glucose and oxygen. They form the basis of the global food chain.8)Water and mineral nutrients are absorbed by roots from the soil. Nutrients are transported along with water to the entire plant via the vascular tissue called xylem. ... Transpiration generates a force which pulls up water absorbed by the roots from the soil, to reach the stem and leaves.9)Through a process called photosynthesis, plants use energy in sunlight to turn a gas called carbon dioxide and water into sugar. ... At the same time, plants produce a gas called oxygen as a waste product, which is lucky for us and other animals because we need oxygen to breathe.10) Chlorophyll, the primary pigment used in photosynthesis, reflects green light and absorbs red and blue light most strongly. In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.11).......12)Yes, these leaves can also carry out the process of photosynthesis because they contain chlorophyll. The large amount of red, brown and violet pigment mask the green colour of chlorophyll in these leaves.13)Plants belonging to the genus Nepenthes are carnivorous, using specialized pitfall traps called “pitchers” that attract, capture, and digest insects as a primary source of nutrients. ... Nepenthes.14)Green plants make their own food by the process of photosynthesis. Chlorophyll, the green pigment found in chloroplasts, traps light energy from the sun. The plant also takes in raw materials from the environment, water through its roots and carbon dioxide moves into the stomata .
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