Botany

Suppose there were plants that had a high concentration of Chlorophyll b, but lacked chlorophyll a, would it carry out photosynthesis? Then why do plants have chlorophyll b and other accessory pigments?

RuBisCO is an enzyme that acts both as a carboxylase and oxygenase. Why do you think RuBisCO carries out more carboxylation in C4 plants?

Even though a very few cells in a C4 plant carry out the biosynthetic – Calvin pathway, yet they are highly productive. Can you discuss why?

By looking at which internal structure of a plant you can tell whether a plant is C3 or C4? Explain.

By looking at a plant externally , can you tell whether a plant is C3 or C4? Why and how?

Mention the function of the Ureters in frog.

Describe the internal structure of a dorsiventral leaf with the help of labelled diagrams.

How is the study of plant anatomy useful to us?

Name the three basic tissue systems in the flowering plants. Give the tissue names under each system.

What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.