You'll learn how the changes in thoughts begin when you start growing from a child to a teen and from teen to a young adult. It covers various important concepts related to adolescence and puberty.
It explains you details about sexual reproduction, asexual reproduction, types of asexual reproduction, human reproduction, the male reproductive organ in humans, the female reproductive organ in humans, and fertilization.
It covers significant topics such as the discovery of the cell, cell structure and functions, parts of cells, plant cells, animal cells, cell number, size and shape.
Some of the important topics which are covered in this unit are deforestation and its causes, consequences of deforestation, flora and fauna, recycling of paper, migration, reforestation, conservation of forest and wildlife, biosphere reserve, wildlife sanctuaries, national parks, endemic species, and red data book.
Some important concepts covered in this Chapter include microorganisms, uses of microorganisms, harmful microorganisms, microorganisms in humans, microorganisms in animals, microorganisms in plants, food preservation, nitrogen fixation and nitrogen cycle.
This chapter gives an insight to the basic agricultural practices adapted for crop production like good preparation of soil, sowing of seeds at appropriate depths, the supply of water, importance of weeding, etc
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