Living World — BIO BOTANY STD 11 — Question

Make a list of aquatic plants and their environmental adaptation with an example.

Write an essay on the types of senescence, its physiology and the factors affecting senescence.

Define aestivation. Explain its types with example.

Draw & describe the structure of Nucleus.

Tabulate the economic importance of algae.

Write a note on diversified thallus organisation seen in algae with examples.

Select a leafy twig of fully grown plant in your school campus. Cover the twig with a transparent polythene bag and tie the mouth of the bag at the base of the twig. Observe the changes after two hours and discuss with your teacher.

List out the general characters of bacteria.

List out the uses of bacteria in industries.

Draw and label the transverse section of dicot stem showing the secondary growth.