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Tamil Nadu Board of Secondary EducationSSLC (English Medium) इयत्ता १०

SSLC (English Medium) इयत्ता १० - Tamil Nadu Board of Secondary Education Question Bank Solutions

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The Velocity of sound is high in gases than liquids.

[5] Acoustics
Chapter: [5] Acoustics
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Why does sound travel faster on a rainy day than on a dry day?

[5] Acoustics
Chapter: [5] Acoustics
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Air temperature in the Rajasthan desert can reach 46°C. What is the velocity of sound in air at that temperature? (V0= 331 ms–1)

[5] Acoustics
Chapter: [5] Acoustics
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The thunder of cloud is heard 9.8 seconds later than the flash of lightning. If the speed of sound in air is 330 ms–1, what will be the height of the cloud?

[5] Acoustics
Chapter: [5] Acoustics
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An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the time interval between the transmission and reception of the wave is 1.6 seconds. What is the depth of the sea, if the velocity of sound in the seawater is 1400 ms–1?

[5] Acoustics
Chapter: [5] Acoustics
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A strong sound signal is sent from a ship towards the bottom of the sea. It is received back after 1s. What is the depth of sea given that the speed of sound in water 1450 ms–1?

[5] Acoustics
Chapter: [5] Acoustics
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Pusa Komal is a disease resistant variety of ______.

[20] Breeding and Biotechnology
Chapter: [20] Breeding and Biotechnology
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Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of ______.

[20] Breeding and Biotechnology
Chapter: [20] Breeding and Biotechnology
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The miracle rice which saved millions of lives and celebrated its 50th birthday is______.

[20] Breeding and Biotechnology
Chapter: [20] Breeding and Biotechnology
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A protein rich wheat variety is ______.

[20] Breeding and Biotechnology
Chapter: [20] Breeding and Biotechnology
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The scientific process which produces crop plants enriched with desirable nutrients is called ______.

[20] Breeding and Biotechnology
Chapter: [20] Breeding and Biotechnology
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Discuss the method of breeding for disease resistance.

[20] Breeding and Biotechnology
Chapter: [20] Breeding and Biotechnology
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Higher Order Thinking Skill (HOT)

Organic farming is better than Green Revolution. Give reasons

[20] Breeding and Biotechnology
Chapter: [20] Breeding and Biotechnology
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Tobacco consumption is known to stimulate secretion of adrenaline. The component causing this could be ______.

[21] Health and Diseases
Chapter: [21] Health and Diseases
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World 'No Tobacco Day' is observed on ______.

[21] Health and Diseases
Chapter: [21] Health and Diseases
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Nicotine is a narcotic drug.

[21] Health and Diseases
Chapter: [21] Health and Diseases
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A highly poisonous chemicals derived from tobacco is ______.

[21] Health and Diseases
Chapter: [21] Health and Diseases
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Mention the diseases caused by tobacco smoke.

[21] Health and Diseases
Chapter: [21] Health and Diseases
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Value based question

Men addicted to tobacco lead to oxygen deficiency in their body. What could be the possible reason?

[21] Health and Diseases
Chapter: [21] Health and Diseases
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Deforestation leads to ______ in rainfall.

[22] Environmental Management
Chapter: [22] Environmental Management
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