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Chapter -1, Nutrition in Plants, , Exercise Page No 9:, Question 1:, Why do organisms need to take food?, , Answer:, , All living organisms require food to survive. It gives them energy to perform various, activities. All activities such as playing, running, walking, studying, etc. require energy., The various components present in our food such as carbohydrates, proteins, fats,, vitamins, and minerals provide energy to our body. These are also important for growth, and development of the body., , Question 2:, , Distinguish between a parasite and a saprotroph., , , , , , , , Answer:, Parasite Saprotroph, The organism that grows on the body of The organism that obtains nutrients, another organism and derives nutrients from from the dead or decaying organic, it is known as a parasite. matter is called saprotroph., Examples of parasites are Cuscuta and Examples of saprotrophs are fungi and, orchids. some bacteria.