CBSE Class 11 Biology Anatomy In Flowering Plants Worksheet Set D

ANATOMY IN FLOWERING PLANTS

1. What is present on the surface of the leaves which helps the plant prevent loss of water but is absent in roots? 

2. What are the cells that make the leaves curl in plants during water stress? 

3. Arrange the following in the sequence you would find them in a plant starting from the periphery – phellem, phellogen, phelloderm. 

4. The cross-section of a plant material showed the following features when viewed under the microscope. a. The vascular bundles were radially arranged. b. Four xylem strands with exarch condition of protoxylem. To which organ should it be assigned? 

5. What do hard wood and soft wood stand for? 

6. Name the tissue represented by jute fibres used for making ropes? 

7. Why xylem & phloem are called complex tissues? 

8. Name the types of wood in which vessels are absent. 

9. What are the functions of tracheids? 

10. What is stomatal apparatus ? Draw a well labeled diagram of stomata. 

11. How can you identify a monocot stem and a dicot stem based on arrangement of vascular Bundles? 

12. Write the components of xylem & phloem . 

13. What is phellogen? What does it produce? 

14. Describe the elements of xylem with the help of suitable diagram. 

15. Distinguish between dicot root & monocot root.

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