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

How will you separate a mixture containing saw dust, naphthalene and iron filings?

How is a mixture of common salt, oil and water separated? You can use a combination of different methods.

Graphene is one atom thick layer of carbon obtained from ______.

Painkiller drugs are called ______.

Higher Order Thinking Skill.

Sudha met with a fire accident. What kind of drug(s), she must take?

______ and ______ are complex tissues.

What is complex tissue? 

What are permanent tissues? Describe the different types of simple permanent tissues.

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

Nitric acid in the stomach kills microorganisms in the food.

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

Vitamins are required in large quantities for normal functioning of the body

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

Vitamin C is a water soluble vitamin

Fill in the blanks with suitable answers.

What factors are required for the absorption of Vitamin D from the food by the body?

Aestivation is an adaptation to overcome the cold condition.

Roots grow very deep and reach the layers where water is available. Which type of plants develops the above adaptation? Why?

List out the adaptations of xerophytes.

How many meters are there in 1 nanometer?

The Kelvin is the basic unit of ______.

Distance between Chennai and Kanyakumari can be found in ______.

Micron is also known as a micro-meter.