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प्रश्न
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उत्तर
Water is necessary for our body because:
(i) Water acts as a solvent for many organic and inorganic compounds
(ii) Water facilitates the movement of food materials, waste products, and other chemical substances in the cytoplasm and circulatory process.
(iii) It plays an important role in regulating body temperature and osmotic pressure of the body fluids.
(iv) Water serves as a good medium for various metabolic reactions.
संबंधित प्रश्न
Distinguish between the following:
Autotrophs and Heterotrophs
Give the one-word substitute for the following:
Insect-eating organism.
Classify according to food-type.
Cockroach
Very Short Answer Type Questions:
Name two food items which provide fats.
Short Answer Type Questions:
Name the vitamin that our body prepares in the presence of sunlight.
Short Answer Type Questions:
What are the functions of minerals?
Higher Order Thinking Skill.
Look at the picture and answer the question that follows
- Name the process involved in the given picture.
- Which diary food is preserved by this process?
- What is the temperature required for the above process?
Which of the following statement (s) is (are) true about the heart?
- Left atrium receives oxygenated blood from different parts of the body while the right atrium receives deoxygenated blood from the lungs
- Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs
- Left atrium transfers oxygenated blood to the right ventricle which sends it to different body parts
- Left atrium transfers oxygenated blood to the right ventricle which sends it to different body parts
What is common for Cuscuta, ticks and leeches?
Which of the following statements is/are correct?
- All green plants can prepare their own food.
- Most animals are autotrophs.
- Carbon dioxide is not required for photosynthesis.
- Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below:
