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

Give some examples of one-time-use plastic.

Explain the structure of an electrolytic cell.

In Daniel's cell, a saturated solution of potassium chloride (KCl) acts as ______.

The process of purifying metals by electrolysis ¡s known as ______.

Which one among the following statements is correct?

In Daniel’s cell, Zinc metal acts as the cathode, and Copper metal acts as Anode.

What is an Electrochemical cell?

What is a Daniel cell?

Write brief notes on processes involved in cell reactions.

How does a galvanic cell produce electricity? 

Mention the applications of electroplating with an example.

Draw the cell diagram of Daniel's cell. Give its reactions.

Match the following:

In a certain type of cell division, the diploid number of chromosomes is reduced to half. This kind of division occurs in ______.

The ______ epithelium is also known as the pavement membrane.

______ epithelium is seen in sweat glands.

An epithelial layer does not allow the regulation of materials between the body and the external environment.

Glandular epithelium gives a stratified appearance.

Sieve cells have no companion cells. 

Assertion: Materials are exchanged between epithelial and connective tissues by diffusion.
Reason: Blood vessels are absent in epithelial tissue.