What is meant by food ?
(a) What is meant by food preservation ? Name any five metods preserving food.
(b) How do you preserve cooked food at home ?
Write answers the following questions.
(a) What is meant by autotrophic living things?
(b) What is a balanced diet?
(c) What is assimilation?
(d) How does osmosis take place in roots?
(e) What factors are required by plants for making food?
what is meant by transcolation of food in plants ?
What is meant by unidirectional transport and bidirectional transport of food?