Tissues — Science STD 9 — Question

Define the terms and given one example:

Bilateral symmetry.

Explain different types of elements present in phloem.

1. The cell organelle which synthesizes protein.
2. The type of plastid which stores food.

Why are protozoa ale called early aninmals?

Define phylogeny.

Give one example each of unicellular and multicellular organism.

Write short notes on:

1. General utility breeds of cow.
2. Breeds of buffalo.