Which of the following is not a characteristic of meristematic tissues?

1. Cells are small in size
2. Vacuoles are mostly present
3. Cell wall is thin
4. Cells actively divide to form new cells

This causes increase in length of the plant

1. protective tissue
2. lateral meristematic tissue
3. apical meristematic tissue
4. complex permanent tissue

Which of the following cells have lignin?

1. parenchyma
2. chlorenchyma
3. collenchyma
4. sclerechyma

Xylem consists of

1. vessels, collenchyma and xylem fibres
2. tracheids, xylem fibres and xylem parenchyma
3. sieve cells, xylem fibres and xylem parenchyma
4. vessels, tracheids, fibres and xylem parenchyma.