Mention if the following statements are true (T) or false (F)

1. Phloem cells carry manufactured food from leaves to other parts.
2. Veins of leaves have both xylem and phloem.
3. The older xylem tissue does not participate in transport.
4. The sclerenchyma consists of actively dividing cells.

Name the kind of animal tissue in which

1. Cells are flat, cuboidal or columnar, forming protective layer.
2. Cells produce and pour out chemical substances.
3. Cells can contract and relax.
4. Cells can conduct impulses.

Write one speciality each of the following :

1. Cartilage
2. Bone
3. Striated muscle
4. Cardiac muscle

Mention if the following statements are true (T) or false (F)

1. Axons of nerve cells are very long.
2. Dendrons bundled together form a nerve.
3. Cardiac muscles get tired soon.
4. Epithelial cells leave space in between.
5. Perikaryon is the nucleus of a nerve cell.
6. Muscles of the iris of the eye are of voluntary type.
7. Cartilage has no blood vessels or the nerves in it.