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Science Notes
PLANT AND ANIMAL HORMONES Notes 10th Science Lesson 16 Notes in English
PLANT AND ANIMAL HORMONES Introduction The word hormone is derived from the Greek word “hormon” meaning “ to excite”. The…
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Transportation in Plants and Circulation of Animals Notes 10th Science Lesson 14 Notes in English
Transportation in Plants and Circulation of Animals Introduction Multicellular organisms possess millions of cells in their body. Every cell needs…
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PLANT ANATOMY AND PLANT PHYSIOLOGY Notes 10th Science Lesson 12 Notes in English
PLANT ANATOMY AND PLANT PHYSIOLOGY Introduction Plants exhibits varying degrees of organization. Atoms are organized into molecules, molecules into organelles,…
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CARBON AND ITS COMPOUNDS Notes 10th Science Lesson 11 Notes in English
CARBON AND ITS COMPOUNDS Introduction You have studied, in your lower classes, that carbon is an inseparable element in human…
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SOLUTIONS Notes 10th Science Lesson 9 Notes in English
SOLUTIONS Introduction Most of the substances that we encounter in our daily life are mixtures of two or more substances.…
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ACOUSTICS Notes 10th Science Lesson 5 Notes in English
ACOUSTICS Introduction Sound plays a major role in our lives. We communicate with each other mainly through sound. In our…
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ஒலி Notes 9th Science Lesson 8 Notes in Tamil
ஒலி Notes 9th Science Lesson 8 Notes in Tamil அறிமுகம் ஒலியானது ஒருவித ஆற்றலாகும். அது நமது செவியஒ அடையும்போது உணர்வை ஏற்படுத்துகின்றது. சில…
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Organization of Tissues Notes 9th Science Lesson 23 Notes in English
Organization of Tissues Notes 9th Science Lesson 23 Notes in English Introduction Unicellular organisms like bacteria and protozoans are made…
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WORLD OF MICROBES Notes 9th Science Lesson 19 Notes in English
WORLD OF MICROBES Notes 9th Science Lesson 19 Notes in English Introduction Microbiology (greek words: mikros -small, bios- life bearing,…
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ANIMAL KINGDOM Notes 9th Science Lesson 17 Notes in English
ANIMAL KINGDOM Introduction The variety of living organisms surrounding us is incomprehensible. Nearly 1.5 million species of organism which have…
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