important chapters of icse biology
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As you know, in bio paper questions are mixed from different chapters even in sec B. So if you want to score good marks, then every chapter must be studied. There is of course different weightage for different chapters and topics.
In cell division, mitosis is of utmost importance. One diagrammatic question comes from stages of mistosis almost every year.
Questions from structure of chromosomes and DNA are relatively less, but it must not be left.
From genetics, dihybrid cross and punnett are most important. Mendel's laws are also very important.
Coming to plant part, definitions and experiments are most important for all three chapters.
Diagrammatic question on plasmolysisoften comes from absorption by roots. Transverse section of root showing passage of water is important.
Experiments are of great importance in transpiration.
For photosynthesis, light reaction, dark reaction, chloroplast and experiments are very important.
In cardiovascular system, functions of different blood cells, formation of clot, valves and hepatic portal system are important. Diagrammatic question often comes from blood circulation.
In excretory system, parts of nepron and mechanism of urine formation important. Diagrammatic questions are based on nephron.
Nervous system and sense organs are one of the most important chapters. Location and functions of parts of brain, and diagrammatic question of reflex arc are very important.
Diagram of parts of eye,myopia and hypermetropia and inner ear are important.
From endocrine system, questions are mainly on secretions of glands and diseases due to hypo and hyper secretion. Location of glands are also asked.
From reproductive system, one diagrammatic question is asked almost every year of male and female reproductive organs, testes and developing foetus. Location of different parts may also come.
In population chapter, birth control methods and growth curve is important.
Immunity and first aid are important in aids to health. Activities of health organization may be asked.
Pollution chapter needs light reading, as only a few questions come from this chapter and we have already studied about pollution in every class.
Apart from these, following diagrams are necessary to practice:
Longitudinal section of kidney, nephron.
Nueron, brain.
Eye, ear.
Male and female reproductive system, testes.
Phases of mitosis.
That's all I can remember now, what my bio teacher said. As already said, these topics are just important, that doesn't mean you can leave other topics.
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Answer:
cell cycle
cell unit
genetic
circulating system
nervous system
reproductive system
excreatory system
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