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

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.

Mention the type of epithelium seen in the alveoli of lungs.

Write one point of difference between

Simple and compound epithelial tissue.

Write the salient features of the compound epithelium.

Explain simple epithelium and its types.

Identify the following relationship
Cuboidal: Epithelial
Cardiac: ______
Granulocytes: ______
Osteocytes: ______

Curdling of milk protein is done by ______.

______ is the vestigeal organ in human.

What is chyme?