Download INDIAN SCHOOL AL WADI AL KABIR DEPARTMENT OF SCIENCE

INDIAN SCHOOL AL WADI AL KABIR
DEPARTMENT OF SCIENCE
WS
Class XI
BIOLOGY
Date: 29/01/17
STRUCTURAL ORGANISATION IN ORGANISMS – 2
ANATOMY OF FLOWERING PLANTS
1. Why are xylem and phloem are called complex tissue?
2. Differentiate between collateral and bicollateral vascular bundle.
3. Write brief notes on classification of meristems.
4. What is periderm and how periderm is formed in dicot stem.
5. Leaf of dicot plant is known as dorsiventral leaf.
(i)
Which part of this leaf is known as mesophyll and how are they differentiated?
(ii)
How this leaf is different from isobilateral leaf?
(iii)
What are bulliform cells?
6. Distinguish between:
(a) Exarch and Endarch condition
(b) Metaxylem and protoxylem
(c) Chlorenchyma and aerenchyma
7. Answer the following questions with reference to the anatomy of monocot stem:
(i)
How are vascular bundles arranged?
(ii)
How are xylem vessels arranged in each bundle?
(iii)
Are vascular bundles closed ones? What type of tissue they lack?
8. Explain the process of secondary growth in the stem of dicot stem with the help of
schematic diagrams.
9. What is the economic use of phloem fibers?
10. Distinguish between dicot stem and monocot stem based on their anatomical
peculiarities.
11. Distinguish between:
(i)
Sieve cell and sieve tube member
(ii)
Phellum and phelloderm
(iii)
Fascicular cambium and interfascicular cambium
(iv)
Soft wood and hard wood
(v)
Conjoint and radial vascular bundle
12. What is epidermal tissue system? Explain its functions.
13. What are trichomes and what are their functions?
14. Distinguish between stomata and lenticels.
15. Draw neat labelled diagrams of different types of vascular bundles in dicot stem and root.
STRUCTURAL ORGANISATION IN ANIMALS
16. Name two proteins present in striated muscles.
17. What are the functions of epithelial tissues?
18. Name the fat storing connective tissue. Give its structure.
19. Distinguish between simple and compound epithelium.
20. Give differences between dense regular and dense irregular connective tissues.
21. What is sexual dimorphism? How it can observe in frogs?
22. Describe briefly the structure of voluntary muscle.
23. What are the cellular components of blood?
24. Describe the external morphology of cockroach.
25. Briefly explain the structure of digestive system in earth worm.
Prepared by: Rejitha Sajith