Arabic numbers are best defined as a. the most common system used for the symbolic representation of numbers. b. a system for measuring dosages based on medications manufactured in the united arab emirates. c. units of measurement which were created specifically for medical use. d. the system for the symbolic representation of numbers used only in arabic countries.

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.