Improvement in Food Resources — Science STD 9 — Question

Identify animal groups having:

1. Soft bodied animals supported by calcareous shells.
2. Spiny body has radial body symmetry.
3. Bones light and hollow.
4. Four pairs of jointed legs and no wings.
5. Extemal ear or pinna.

Name the living components common to both the complex permanent tissues found in plants. What is its function?

Define phylogeny.

Give two ways in which carbon dioxide is fixed.

What are the common symptoms of infection?

Name that group of organisms which does not fit neatly into any scheme of classification.

1. Apical meristem.
2. Lateral meristem.