Critically examine the causes responsible for malnutrition and undernutrition in children.

Any development programme adopted by a country is considered sustainable if it is economically, socially and environmentally sustainable. Do you agree with the above statement? Comment giving suitable examples.

Describe fertility, mortality and migration and explain why these concepts are basic to understand demography.

What is meristem? Discuss its role in plants.

Describe the components of fluid connective tissue in animals.

Describe any two types of cell movement.

Explain the molecular theory of recombination.

Describe the control of the cycle in dividing cells.

 Explain the process of signalling mediated by cell surface receptors.

How is polypeptide chain synthesis initiated in prokaryotes?

Describe the structure and function of the nuclear envelope.

Draw the diagram showing the pathways of carbohydrate metabolism.

With the help of a diagram showing four stages of metabolism for generating NADH+Hand ATP.

Enlist the common features of a eukaryotic mRNA. Describe the various post-transcriptional modifications that transform a primary transcript into a functional mRNA.

Describe the active transport process with the help of a sodium-potassium pump.

Differentiate between free diffusion and osmosis.

Explain cell membrane fluidity and asymmetry.

Make a comparison between simple lipids, compound lipids and derived lipids.

Write the chemical structure of a typical amino acid by labelling its chemical groups. Explain the components of nucleic acids.

Describe the structure of mitochondria.