1. The dead element present in the phloem is

2. Which of the following does not lose their nucleus at maturity?

3. In desert plants, rate of water loss gets reduced due to the presence of

4. A long tree has several branches. The tissue that helps in the side ways conduction of water in the branches is

5. ¡f the tip of sugar cane plant is removed from the field, even then it keeps on growing in length. It is due to the presence of

6. A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will

7. Parenchyma cells are

8. Flexibility in plants is due to

9. Cork cells are made impervious to water and gases by the presence of

10. Survival of plants in terrestrial environment has been made possible by the presence of