PART - 1 - Unit I : CH - 2 Biological Classification — BIOLOGY STD 11 Science — Question

What helps the earthworm in exchange of gases?

Who gave the term'virus'? What does the word 'virus' mean?

Sort the following into actively or passively transported substances during reabsorption of GFR. Glucose, aminoacids, nitrogenous wastes, Na⁺, water.

Name the sexual spores produced by the sac fungi. Name the structure in which they are formed.

Mango develops from which type of ovary?

Name a plant whose flowers are asymmetric.

Write the name of the membrane-less organelle found in both eukaryotic and prokaryotic cells.

A muscle fibre tapers at both ends and does not show striations. Name the muscle fibre.

What causes snoring?

Name the protein, the peripheral fibrils of a centriole are made of.