Systematics of Living Organisms — Biology STD 11 Science — Question

1. Smallest cell
2. Longest cell in animals
3. Largest cell

Visit any nursery or botanical garden. Observe some older leaves of fern plant. You can observe some brown spots on back side of the leaflets as shown in the picture given below. Collect more information about it.

Linnaeus is considered as Father of Taxonomy. Name two other botanists known for their contribution to the field of plant taxonomy?

What chemical is used to preserve plant and animal specimens in transparent jars at museums?

Students cut open a Papaya fruit and found all the seeds attached to the sides. Teacher inquired about the possible placentation of Papaya ovary.

What is alternation of generations?

Write down the overall chemical reaction of a process in which glucose in broken down to two molecules of pyruvic acid.

Name the enzymes that catalyse the irreversible reactions.

Define substrate-level phosphorylation.

Identify label X and Y in the given figure of Cyanobacteria (Nostoc).