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Important Topics for Science Exam – Class 10
Meritnation|Feb 27th, 2014 02:32pm
Dear students,
Science is another subject that gives most students the jitters during exam time. But you are not part of that group! You have Meritnation experts on your side who bring to you a list of some of the key areas you need to be thorough with before writing the board exam.
| Units | Marks | Important topics |
| Chemical Substances | 23 | Carbon compounds:Tetravalency and catenation, homologous series,nomenclature of carbon compounds, combustion and addition (i.e. hydrogenation) reaction, uses of Ethanol and Ethanoic acid, esterification and saponification reactions, cleansing action of soaps and detergents |
| Nature and Behaviour | Periodic classification of elements: Dobereiner’s triads, Newlands’s Law of Octaves, Limitations of Mendeleev’s periodic table, Position of hydrogen in modern periodic table, Trends of atomic size, valency, metallic and non-metallic properties in modern periodic table | |
| World of living | 30 | Reproduction:Explanation with diagram about fission in amoeba, regeneration in planaria, fragmentation in plasmodium and budding in hydra, vegetative propagation, diagram of longitudinal section of flower, diagram of human- female reproductive system, reproductive health, sexually transmitted diseases and their prevention |
| Heredity and evolution:Creation of variations in a species to promote survival, sex determination in human, homologous and analogous organs, fossils | ||
| Natural Phenomena | 29 | Light:Laws of reflection, ray diagrams of concave and convex mirrors, uses of concave and convex mirror, numerical problems based of mirror formula and lens formula, laws of refraction, ray diagrams of concave and convex lenses, numerical problems based on power of lens |
| The human eye and the colourful world: Defects of vision and their correction i.e. myopia, hypermetropia and presbyopia, atmospheric refraction, twinkling of star, advanced sunrise and delayed sunset, scattering of light, blue colour of sky, colour of the sun at sunrise and sunset | ||
| Natural Resources | 8 | Our Environment:Eco-system and its components , food chain and food web, ozone layer, problem of waste disposal |
| Management of Natural Resources: 3R, sustainable management, water harvesting, coal and petroleum |
There you go! Brush up and polish all that you have studied with regards to these topics, give a focused read to the other chapters and you should be ready to breeze through your paper. If you get stuck somewhere and have a query, feel free to ask our experts in the Ask and Answer forum at Meritnation.
Good Luck!
Team Meritnation
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1. Mohith | March 1st, 2016 at 6:45 pm
Thank u so much
2. Janvi | July 3rd, 2015 at 4:21 pm
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3. Born2Comment | March 10th, 2015 at 1:46 pm
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4. Born2Comment | March 10th, 2015 at 1:42 pm
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5. s.p.minz | March 1st, 2015 at 8:22 pm
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6. pradip wagh | February 25th, 2015 at 11:44 am
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7. Saba | January 29th, 2015 at 7:46 pm
Thanks a lot!!!
8. snehitha | March 9th, 2014 at 1:43 pm
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9. Sharang B Mandhane | March 9th, 2014 at 1:42 pm
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10. saya | March 9th, 2014 at 10:36 am
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11. Geetanjli Kalia | March 8th, 2014 at 11:30 pm
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12. Deepak Prajapati | March 8th, 2014 at 10:51 pm
Sir can u please tell me that these topics are best for scoring good marks???
13. SJ | March 8th, 2014 at 10:06 pm
Thank you very much!
14. Roshan | March 8th, 2014 at 7:28 pm
thx 🙂
15. Roshan | March 8th, 2014 at 7:13 pm
Thx A Lot !!
16. Adarsh.R | March 8th, 2014 at 10:12 am
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17. Curly Wurly | March 7th, 2014 at 10:51 pm
Thanks aloot!!
18. shravani | March 7th, 2014 at 10:56 am
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19. manish kamble | March 6th, 2014 at 3:56 pm
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20. Harsha | March 5th, 2014 at 7:42 pm
Thanks a lot meritnation your great help!
21. Sana | March 5th, 2014 at 7:40 pm
Thanks a lot!!
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