With the help of a diagram, describe how you would make an electromagnet.

With the help of a suitable diagram, describe the structure and function of a neuron.

State the principle of potentiometer. With the help of circuit diagram, describe a method to find the internal resistance of a primary cell.

With the help of suitable diagram describe the logistic population growth curve.

You are provided with 8mu F capacitors. Show with the help of a diagram how you will arrange minimum number of them to get a resultant capacitance of 20 muF .

Explain the structure of t-RNA with the help of a diagram. Describe its role in the process of translation.

With the help of labelled diagram describe steps of inflammatory reaction that occur at the point of injury to seal the wound.

Show with the help of a diagram, how you will obtain an AND gate using only NAND gates, (Truth table is not required)

With the help of suitable diagrams, describe : (a) Binary fission in plants (b) Budding in Yeast cell

What is electromagnetism and how do you make an electromagnet?

With the help of a flow diagram, how would you establish that in human beings the sex of a newborn is purely a matter of chance and none of the parents may be considered responsible for a particular sex of a newborn child.