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Observe the following diagram. Correct it and write the information in your words.
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Answer the following question.
A section of the stem had vascular bundles, where one tissue was wrapped around the other. How will you technically describe it?
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Write a short note on Structure of stomata.
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Differentiate between Vascular bundle of monocot and Vascular bundle of dicot
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Why do animals in cold regions have a layer of fat below their skin?
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Priya got injured in an accident and hurt her long bone and later on she was also diagnosed with anaemia. What could be the probable reason?
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With help of a neat labelled diagram, describe the structure of areolar connective tissue.
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Write a short note on the position and function of the salivary gland.
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How is the structure of sarcomere suitable for the contractility of the muscle? Explain its function according to sliding filament theory.
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How does the structure of actin and myosin help in muscle contraction?
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Histones are involved in packaging of DNA into structural units called ______.
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Explain the significance of mitosis.
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Write a short note on secondary growth.
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What enables the ear pinna to be folded and twisted while the nose tip can’t be twisted?
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Sharad touched a hot plate by mistake and took away his hand quickly. Can you recognize the tissue and its type responsible for it?
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Distinguish between smooth muscles and skeletal muscles.
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Describe the digestive system of cockroach.
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Write a note on the Gizzard of cockroach.
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What would have happened if the cockroach did not had gizzard?
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Explain the following in short.
What is the role of the hypopharynx?
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