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Tamil Nadu Board of Secondary EducationSSLC (English Medium) कक्षा ९

SSLC (English Medium) कक्षा ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

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List the precautionary measures to avoid Avian Influenza.

[22] World of Microbes
Chapter: [22] World of Microbes
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Amal, a thirteen-year-old boy is suffering from fever, headache, body pain, vomiting, and diarrhea. He finds it difficult to breathe.

  1. Diagnose the disease.
  2. What is the causative agent?
  3. What prevention and control measures can be taken?
[22] World of Microbes
Chapter: [22] World of Microbes
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State whether true or false. If false, correct the statement.

Liquid–liquid colloids are called gel.

[10] Matter Around Us
Chapter: [10] Matter Around Us
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Explain Tyndall effect and Brownian movement with suitable diagram. 

[10] Matter Around Us
Chapter: [10] Matter Around Us
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The intensity of scattered light depends on the type of colloidal solution and the size of the colloidal particles.

[10] Matter Around Us
Chapter: [10] Matter Around Us
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Classify colloids based on the physical state of the dispersed phase and the dispersion medium.

[10] Matter Around Us
Chapter: [10] Matter Around Us
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A colloidal solution is a ______.

[10] Matter Around Us
Chapter: [10] Matter Around Us
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The solution of soap in water is ______.

[10] Matter Around Us
Chapter: [10] Matter Around Us
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What are colloidal solutions?

[10] Matter Around Us
Chapter: [10] Matter Around Us
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Mention the stages of meiotic Prophase -I.

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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Why is meiosis called reductional division and mitosis equational division?

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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If the cell (A) has undergone one mitotic division and another cell (B) has completed its meiotic division. The number of cells produced in A and B would be
Cell A: Cell B:

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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What is an artificial kidney?

[20] Organ Systems in Animals
Chapter: [20] Organ Systems in Animals
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What is terminalization?

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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What is a tetrad?

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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What is crossing over?

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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What is the bouquet stage?

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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What is zygotene?

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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State the differences between acids and bases.

[14] Acids, Bases and Salts
Chapter: [14] Acids, Bases and Salts
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List out the differences between mitosis and meiosis.

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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