Question

Rani saw the slide of a muscle tissue under the microscope. She saw elongated and large-sized fibres called A. The movements of the body or limbs are brought about by proteins B which are present in muscle cells. The movements of the internal organs such as heart and alimentary canal, are all caused by A, these are typically arranged in C type of arrangement allowing them to work together effectively. Answer the following questions: (a) Which fibres are A? (b) Name the protein B. (c) What type of arrangement allows the fibre to work effectively? (d) Which type of movement does protein present in the muscle undergo to bring about the movement of a body or a limb?

Answer 1

Answer:

The three events that occur during the process of photosynthesis are: (i) Absorption of light energy by chlorophyll. (ii) Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen. (iii) Reduction of carbon dioxide to carbohydrates.