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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Why is water an essential nutrient?

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प्रश्न

Why is water an essential nutrient?

थोडक्यात उत्तर
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उत्तर

  1. Our body consists of about 65-70% water. Cells and blood plasma contain 70% and 90% water respectively.
  2. Water acts as a universal solvent as it provides a medium for many metabolic reactions.
  3. It also helps in the transportation of dissolved nutrients to various parts of the body.
  4. When there is a little loss of water from the body, the functioning of the cell and thereby the whole body gets disturbed.
    Hence, water is an essential nutrient.
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पाठ 2: Life Processes in Living Organisms Part - 1 - Answer the following questions [पृष्ठ ३१]

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एससीईआरटी महाराष्ट्र Science and Technology Part 2 [English] Standard 10 Maharashtra State Board
पाठ 2 Life Processes in Living Organisms Part - 1
Answer the following questions | Q 6. | पृष्ठ ३१

संबंधित प्रश्‍न

At the end of glycolysis, ______ molecules are obtained.


Where and in which forms the amino acids formed after digestion of food are used in the body?


Answer the following questions.

a) Why some living organisms have to perform anaerobic respiration?
b) Give examples of such living organisms.
c) What are the two steps of anaerobic respiration?


Answer the following question.

Write explanatory notes on Electron transport chain.


Give scientific reason.

We feel exhausted after exercising.


Protein located in bones is ___________.


What is cellular respiration?


State two methods of cellular respiration.


  1. What are vitamins?
  2. Classify them according to their solubility.
  3. Give one example of each type as per above classification.

State two groups/types of vitamins.


State six types of vitamins.


What are the main steps of anaerobic respiration?


Which hormones are formed from the fatty acids?


During which of the following steps of glycolytic pathway ATP is directly formed?

  1. 3 - phospboglyceric acid to 2 phosphoglycerate
  2. Phosphoenolpyruvate to pyruvic acid
  3. 1, 3 - bisphosphoglyceric acid to 3 phosphoglycerate
  4. Fructose 1, 6 - bisphospbate to glyceraldehyde - 3 - phosphate

Identify the CORRECT way/s of Phosphorylation.


Read the following statements and select the CORRECT option.

Statement I: In oxidative phosphorylation ATP is synthesized by using the energy released during the oxidation of substrates like NADH+ H+ and FADH2.

Statement II: Substrate-level phosphorylation is a direct phosphorylation of ADP by transfer of a phosphate group from any suitable substrate.


Where does the oxidative phosphorylation occur?


In the mitochondrion, energy is stored in the form of ____________.


Give three uses of fatty acids.


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