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

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Science
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Choose the correct one.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurements

Define measurement.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurements

Define standard unit.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Unit and Its Types

Find the odd one out:

[0.05] Magnetism and Electromagnetism
Chapter: [0.05] Magnetism and Electromagnetism
Concept: Effects of Electric Current > Magnetic Effect of Electric Current

You can see your image in polished floors, but not in wooden table because ______.

[0.06] Light
Chapter: [0.06] Light
Concept: Formation of Image by Reflection: Real and Virtual Image

True or False – If False give the correct answer

Analgesics are the substances that lower the temperature during fever

[0.16] Applied Chemistry
Chapter: [0.16] Applied Chemistry
Concept: Antipyretic

Match the following

1. Antipyretic reduce pain
2. Analgesic reduce body temperature
3. Antacid spontaneous combustion
4. Phosphorus ORS Solution
5. Carbon – di – oxide leads to respiratory problem.
[0.16] Applied Chemistry
Chapter: [0.16] Applied Chemistry
Concept: Antipyretic

State whether true or false. If false, correct the statement.

The SI unit of electric current is kilogram.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: International System of Units (SI System)

State whether true or false. If false, correct the statement.

Kilometre is one of the SI units of measurement.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: International System of Units (SI System)

What is the full form of SI system?

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: International System of Units (SI System)

Write the need of a standard unit.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: International System of Units (SI System)

What are the main constituents of dettol?

[0.16] Applied Chemistry
Chapter: [0.16] Applied Chemistry
Concept: Antiseptic

Why do antiseptics differ from disinfectants? Give one example of each.

[0.16] Applied Chemistry
Chapter: [0.16] Applied Chemistry
Concept: Antiseptic

Rulers, measuring tapes and metre scales are used to measure ______

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurement of Length

Metre is the unit of ______.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurement of Length

Match the following.

1. Length kelvin
2. Mass metre
3. Time kilogram
4. Temperature second
[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurement of Length

Assertion (A): Distance between two celestial bodies is measured in terms of light year.

Reason (R): The distance travelled by the light in one year is one light year.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurement of Length

Can you find the diameter of a thin wire of length 2 m using the ruler from your instrument box?

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurement of Length

Numerical Problem.

Inian and Ezhilan argue about the light year. Inian tells that it is 9.46 × 1015 m and Ezhilan argues that it is 9.46 × 10 12 km. Who is right? Justify your answer.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurement of Length

State whether true or false. If false, correct the statement.

One Celsius degree is an interval of 1K and zero degree Celsius is 273.15 K.

[0.07] Heat
Chapter: [0.07] Heat
Concept: Temperature
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Question Bank Solutions for SSLC (English Medium) Class 9th Tamil Nadu Board of Secondary Education Science. You can further filter Question Bank Solutions by subjects and topics. Solutions for most of the questions for Tamil Nadu Board of Secondary Education can be found here on Shaalaa.com. You can use these solutions to prepare for your studies and ace in exams. Solving questions is a great way to practice and with Shaalaa.com, you can answer a question and then also check your answer with the solutions provided.
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