With a neat diagram, describe the construction of a photoelectric cell.

Describe construction and working of photoelecric cell.

Draw a neat labelled diagram for the construction of photoelectric cell.Also draw a circuit diagram to describe the working of a photoelectric cell.

With a neat diagram, explain the construction Q and working of Fery's black body.

With the help of a neat labelled diagram, describe the structure of monocot stem.

With the help of a neat labelled diagram describe the structure of a chromosome.

What is LED? With neat diagram, explain the construction of a LED.

Sketch and describe construction of H_2-O_2 fuel cell.

With the help of a neat labelled diagram, describe the anatomy of a dicot root.

With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.

With the help of neat labelled diagram, describe the structure of aerolar connective tissue.