Describe the structure and role of ribosomes in protein biosynthesis.

Explain the process of DNA replication. Illustrate your answer.

Describe any one experiment which proved that 'DNA is the genetic material".

Differentiate between an antigen and an antibody. Describe and illustrate the structure of an antibody.

What is meant by immunity? Enumerate the different levels of defense in the body.

Describe the fate of uric acid during the degeneration of purine nucleotides.

Name the three stages of catabolism of amino acids and give a schematic representation of the same.

Describe the central role of TCA cycle in the metabolism of biomolecules in a living system.

Differentiate between glycolysis and gluconeogenesis writing the reactions in which these two differ from each other.

What are coupling reactions? Explain their significance in the biological systems.

संक्रामक रोगों / पोषक तत्वों की कमी से होने वाले रोगों से संबंधित दो लघु भूमिका प्ले स्क्रिप्ट तैयार करें। उत्तर पुस्तिका में स्क्रिप्ट संलग्न करें

Describe the structural basis for the role of ATP as the energy carrier in biological systems. Write the reaction involved.

Differentiate between a nucleotide and nucleoside giving their structures.

What are zwitterions? Explain taking an amino acid as the example. How does a zwitterion relate to the isoelectric point of an amino acid?

Describe the structure and classification of fatty acids giving examples.

Draw and explain the open chain and ring structures of monosaccharides taking suitable example.

Define pH and buffer. How are the two related? Name the two important biological buffers in the human body.

निम्नलिखित विषयों में से किसी एक पर स्कूल जाने वाले बच्चों के लिए निर्देशों के साथ एक बोर्ड गेम विकसित करें।

अ) हरा-भरा वातावरण

ब) खाद्य समूह

Describe the method of separating the subcellular organelles. Illustrate your answer.

Compare and contrast the cellular organisation in prokaryotes and eukaryotes.