class 10 cbse
important chapter for science???
Answers
For science.
Chapter 8 – How do organisms reproduce
Important Topics:
1. Modes of asexual reproduction
2. Structure of flower
3. Fertilisation in plants
4. Male and female reproductive system.
Chapter 9 – Heredity and evolution
Important Topics:
1. Mendelian crosses
2. Sex determination
3. Difference between acquired and inherited traits
4. Homologous and analogous organs.
Chapter 15 – Our Environment
Important Topics:
1. Ecosystem and its components
2. Food chain and food webs
3. Depletion of ozone layer.
Chapter 16 – Management of Natural Resources
Important Topics:
1. Need for Management of Natural Resources
2. Importance And Conservation Of Forest
3. Steps To Make Water Available To All.
Chapter 4 – Carbon and its Compounds
Important Topics:
1. Covalent bonding in carbon compounds
2. Allotropy
3. Catenation and tetravalency
4. Saturation and unsaturation in carbon compounds
5. Structure and formulas of carbon compounds
6. Structural isomers
7. Functional groups
8. Homologous series
9. Nomenclature
10. Chemical properties of carbon compounds
11. Properties of ethanol and ethanoic acid
12. Soaps and detergents: Advantages and disadvantages.
Chapter 5 – Periodic classification of elements
Important Topics:
1. Döbereiner’s Triads
2. Newlands’ Law of Octaves
3. Mendeleev’s periodic table
4. Modern Periodic Table
5. Trends in the Modern Periodic Table.
Chapter 10 – Light – Reflection and Refraction
Important Topics:
1. Image Formation by Spherical Mirrors
2. Refraction of Light through Glass Slab
3. Image Formation by Spherical Lenses
4. Lens Formula, Magnification and Power.
Chapter 11 – The Human Eye and The Colourful World
Important Topics:
1. Human Eye Structure
2. Defects in Vision and Corrections
3. Dispersion
4. Atmospheric Refractions
5. Scattering of Light.