Name the following:

(i) Thread like non-reproductive structures present in Rhizopus.

(ii) 'Blobs' that develop at the tips of the non-reproductive threads in Rhizopus.

Write the name and structural formula of the compound obtained when ethanol is heated at 443 K with excess of conc H₂S0₄ Also write chemical equation for the reaction stating the role of cone. H₂S0₄ in it.

Write the number of periods the Modem Periodic Table has. State the changes in valency and metallic character of elements as we move from left to right in a period. Also state the changes, if any, in the valency and atomic size of elements as we move down a group.

Explain how these structures protect themselves and what is the function of the structures released from the 'blobs' in Rhizopus.

Name the parts A, Band C shown in the diagram and write their functions.