How plants get their food? How photosynthesis work? Other modes of nutrition in plants. Science class 7 chapter 1 exercise test and solutions.

How animals get their food? Different ways of taking food by animals, digestion in humans, digestion in gross eating animals. Feeding and digestion in amoeba. Science class 7 chapter 2 exercise test and solutions.

How fibres are processed? How to make wool and silk. Science class 7 chapter 3 exercise test and solutions.