Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Name the two amino acids involved in the formation of amides in plants.

What term is given to the outermost layer of the plant body? Describe the characteristics of its cells.

Give two organs in our body, where ciliary movement occurs and mention their significance.

1. What is the end product of glycolysis and where does this process occur?
2. List the conditions under which fermentation occurs in plant cells?

Which protists show symbiotic relationships? How is this relation carried out?

Who developed the staining procedure to stain the bacterial cells? Mention the two categories of bacteria based on that and differentiate between them.

Explain some external features of dicotyledons.

Explain the internal structure of chloroplast graphically.

Explain briefly the following terms with suitable examples:- sporophyll

Indicate the flow of blood in the heart during joint diastole. State whether the semilunar valves are open or closed during this phase.