Question

What is meant by 1 calorie?

(a) Amount of heat energy required to raise the temperature of 1 kg of water

(b) Amount of heat energy required to raise the temperature of 1-tonne water

(c) Amount of heat energy required to raise the temperature of 1 mg water

(d) Amount of heat energy required to raise the temperature of 1 g water

This question was addressed to me in my homework.

This is a very interesting question from Absorption of Digested Products in chapter Digestion and Absorption of Biology – Class 11

Answer 1

The correct answer is (d) Amount of heat energy required to raise the temperature of 1 g water

The explanation: Heat energy is often measured as calorie (cal) or joule (J), which is the amount of heat energy required to raise the temperature of 1 g of water by 1° C.