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Crop production and management: Introduction to crop production and management, agricultural practices - preparation of soil, sowing 

Common agricultural practices: Adding manure and fertilizers, irrigation and removal of weeds

Harvesting and storage of crops: Harvesting, storage of crops, summary

Introduction to cell: Cell - size, shape and number, unicellular and multicellular cells

Cell structure and function: Cell membrane, cytoplasm, and nucleus

Comparison of plant and animal cell: Cell organelles, prokaryotic and eukaryotic cell, comparison of plant and animal cells

Microorganisms: Introduction, classification of microorganisms, beneficial microbes, harmful microbes

Nitrogen cycle: Role of microbes in nitrogen cycle

Reproduction in animals: Sexual and asexual reproduction, male reproductive organs, female reproductive organs

Fertilization process in animals: Internal and external fertilization, test tube babies, development of embryo, viviparous and oviparous animals

Asexual reproduction in animals: Budding, binary fission, cloning of cells

Conservation of plants and animals: Deforestation, consequences of deforestation, conservation of forests and wildlife, flora and fauna

Practices to conserve wildlife and plants: Wildlife sanctuaries, national park, migratory birds, red data book, recycling of paper, reforestation

Adolescence: Puberty and adolescence, changes in puberty, development of secondary sexual characters during puberty

Reproductive phase in humans: Hormones, menstrual cycle in females, determination of sex, adolescence, and health

Grade 8 Biology Assignment Help