10th Class Biology
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Sex Determination
What is Sex Determination? Sex determination is the process by which a baby becomes male (boy)…
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How Do Traits Get Expressed?
Basic Idea Traits (like height, colour, shape) are controlled by genes. Genes are made of DNA.…
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Rules for the Inheritance of Traits
(Mendel’s Contributions) Who was Mendel? Gregor Mendel is called the Father of Genetics. He discovered how…
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HEREDITY
What is Heredity? Heredity is the process by which parents pass their traits to their children…
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Accumulation of Variation During Reproduction
What Does “Accumulation of Variation” Mean? Variation = small differences among individuals of the same species.…
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HEREDITY
Introduction to Heredity What is Heredity? Heredity is the process by which traits or characteristics are…
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MANAGING THE GARBAGE WE PRODUCE
What is Garbage? Garbage is the waste material that we throw away in our daily life.…
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HOW DO OUR ACTIVITIES AFFECT THE ENVIRONMENT?
Human beings are an important part of the environment. Many human activities cause pollution and environmental…
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FOOD CHAINS AND FOOD WEBS
What is a Food Chain? A food chain is a sequence of organisms in which one…
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ECOSYSTEM — WHAT ARE ITS COMPONENTS?
What is an Ecosystem? All living organisms like plants, animals, microorganisms, and human beings interact with…
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