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What is thermometry?

Thermometry The branch of heat relating to the measurement of the temperature of a body is called thermometry. The thermometer is an instrument used to measure the temperature of a body. The essential requisites of a thermometer are given as under:  1) Construction, 2) Calibration, and 3) Sensitiveness. For the construction of a thermometer, the proper choice of a substance, whose physical property varies uniformly with rising in temperature, is essential. 1) Construction The physical property of a substance plays an important role in the construction of a thermometer. In a mercury thermometer, the principle of expansion of mercury with rising temperature is used. The platinum resistance thermometer is based on the principle of the change in resistance with a change in temperature. The gas thermometer is based on the principle of change in volume or pressure with a change in temperature. 2) Calibration  When a thermometer is constructed, it should be properly calibrated. The standa

Food, Nutrition and Digestion

 Biology

Chapter - 5: Food, Nutrition and Digestion

👉 All Chapter Contents 👈 


  • 5.1  Plant Mineral Nutrition
  • 5.2  Food and Nutrition of Animal
  • 5.3  Vitamin deficiency diseases
  • 5.4  Energy in food ingredients
  • 5.5  Basal Metabolic Rate (BMR) and Body Mass Index (BMI)
  • 5.6  Exercise and Rest
  • 5.7  Use of Chemicals in Food Preservation
  • 5.8  Digestion
  • 5.9  Diseases caused by Intestinal Disorder


Question Bank

5.1  Plant Mineral Nutrition


5.2  Food and Nutrition of Animal


5.3  Vitamin deficiency diseases


5.4  Energy in food ingredients


5.5  Basal Metabolic Rate (BMR) and Body Mass Index (BMI)


5.6  Exercise and Rest


5.7  Use of Chemicals in Food Preservation


5.8  Digestion


5.9  Diseases caused by Intestinal Disorder



Secondary Biology


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