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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

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Science
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What is polymorphism?

[17] Animal Kingdom
Chapter: [17] Animal Kingdom
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The function of phloem fibers is ______ to the plant body.

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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Conduction can be bidirectional in phloem tissue.

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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Explain the components of phloem tissue.

[18] Organisation of Tissues
Chapter: [18] Organisation of Tissues
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Give reasons for the following

The wall of the stomach is not digested by its own enzyme.

[20] Organ Systems in Animals
Chapter: [20] Organ Systems in Animals
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Pellagra is a deficiency disease, ______ the vitamin related to it.

[21] Nutrition and Health
Chapter: [21] Nutrition and Health
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Louis Pasteur developed vaccination against Rabies and Anthrax.

[21] Nutrition and Health
Chapter: [21] Nutrition and Health
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What is Malnutrition?

[21] Nutrition and Health
Chapter: [21] Nutrition and Health
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Name any two Protein Energy Malnutrition (PEM) diseases.

[21] Nutrition and Health
Chapter: [21] Nutrition and Health
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AIDS is a ______ disease.

[22] World of Microbes
Chapter: [22] World of Microbes
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What is an epidemic disease?

[22] World of Microbes
Chapter: [22] World of Microbes
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Differentiate between Infectious and Non-Infectious diseases.

[22] World of Microbes
Chapter: [22] World of Microbes
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What causes illness?

[22] World of Microbes
Chapter: [22] World of Microbes
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How are respiratory tract infections acquired?

[22] World of Microbes
Chapter: [22] World of Microbes
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Identify the incorrect statement with respect to adaptations of earthworms.

[24] Environmental Science
Chapter: [24] Environmental Science
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______ supports and controls movements during a flight of a bat.

[24] Environmental Science
Chapter: [24] Environmental Science
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______ animals convert plant proteins into animal proteins.

[24] Environmental Science
Chapter: [24] Environmental Science
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Carnivorous animals synthesize ______ from their food.

[24] Environmental Science
Chapter: [24] Environmental Science
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Moist skin in earthworms helps in ______ of blood.

[24] Environmental Science
Chapter: [24] Environmental Science
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Match the following:

Aestivation Heat absorption
Echolocation Fall in body temperature
Hibernation Ultrasonic sounds
patagium low metabolism
[24] Environmental Science
Chapter: [24] Environmental Science
Concept: undefined >> undefined
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