Describe the following: (a) synapsis (b) bivalent (c) chiasmata
Draw a diagram to illustrate your answer.

Draw a labelled diagram of neuron and describe.

Uma felt that a triangle can be formed with three collinear points. Do you agree? Why? Draw diagrams to justify your answer. [If three or more points lie on the same line, then they are called collinear points]

Draw a block diagram of water resources in your village.

Briefly describe the following: (a) Transcription (b) Polymorphism (c) Translation (d) Bioinformatics

Describe briefly the followings: (a) Origin of replication (b) Bioreactors (c) Downstream processing

Define order of a reaction. Illustrate your answer with an example.

What is half-life of a reaction? Illustrate your answer with an example.

Answer the following questions by observing the given diagram what is the name of the diagram?

To what extent do the electronic configurations decide the stability of oxidation states in the first series of the transition elements? Illustrate your answer with examples.