NCERT Biology Intext and Exercise Questions with Answer Class 10
Unit II: World of Living
Life processes: 'Living Being'. Basic concept of nutrition, respiration, transport and excretion in plantsand animals.
Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.
Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health - needand methods of family planning. Safe sex vs HIV/AIDS. Child bearing and women's health.
Heredity and Evolution: Heredity; Mendel's contribution- Laws for inheritance of traits: Sex determination; brief introduction.
Unit V: Natural Resources
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.