Complex tissue in plants have

Tracheids, vessels, xylem fibres and xylem parenchyma are components of
1. Simple tissue
2. Xylem
3. Sclereids
4. Pith

  _________ are commonly found in the fruit walls of nut.

The presence of _________ is characteristic feature of angiosperms.

Lignified cell wall is characteristic feature of
1. Parenchyma
2. Collenchyma
3. Sclerenchyma
4. None

In flowering plants which of the following are main water transporting element
1. Tracheids
2. Vessels
3. Both A and B
4. None of the above

Dead cell without protoplasm is ___________.
1. Sclerenchyma
2. Tracheids
3. Parenchyma
4. Both A and B

Elongated cells with thick and lignified walls and tapering ends is a characteristic feature of
1. Xylem parenchyma
2. Xylem fibres
3. Tracheids
4. Vessels

Central cavity is found in