PART 1/THE TISSUE/SIMPLE PLANT TISSUE /CLASS 9TH BIOLOGY / CBSE/NCERT BIOLOGY

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1. Where is chlorenchyma found in plant body? 2. Why does a thin and delicate layer of squamous epithelium line blood capillaries? 3. Which type of blood cells are nucleated at maturity? 4. Why are skeletal muscles called striated muscles? 5. What other structure is especially abundant in muscle cells? 6. What is the function of a fibroblast? 7. What is the function of adipose tissue? 8. What might be an advantage in cardiac muscle cells bring branched? 9. How is the branched structure of neurons related to their function? 10. What is the function of mitochondria in a muscle cell? 11. What is the source of energy for muscle cell contraction? 12. Which organ is composed of cardiac muscle tissue? 13. What is the overall purpose of a nervous system? 14. Write the four types of animal tissues. 15. Name the three types of simple permanent tissues. 16. Which tissue is called loose connective tissue? 17. Name the three parts of a neuron. 18. What is meant by division of labour? 19. Which tissue is the principal component of tendons and ligaments? 20. What is the main function of parenchyma? 21. What are tracheary elements? 22. Name the tissue responsbile for growth in plants. 23. What is the chief function of collenchymas? 24. Which type of animal tissue connects muscles to the bone? 25. Which tissue type does protect the animal body? 26. What is the chief function of (i) R.B.Cs. (ii) Blood platelets. 27. An organism has actively dividing cells at its growing apices which continue to divide and add new cells throughout the life. To which group it belongs-plants or animals? 28. Name the protein found in white fibre and yellow fibre. 29. State the functions of microvilli. 30. What does the root tip contain that helps in root elongation? 31. Which plant tissue provides both mechanical strength as well as flexibility? 32. Why is the axon called efferent nerve process? 33. Define arenchyma. 34. What is differentiation? 35. Name the three types of meristematic tissues. 36. Which tissues are present at the nodes of the plants. 37. What are the various types of blood cells? 38. Name the following: (a) Tissue that forms the inner lining of our mouth. (b) Tissue that connects muscle to bone in humans. (c) Tissue that transports food in plants. (d) Tissue that stores fat in our body. (e) Connective tissue with a fluid matrix. (f) Tissue present in the brain. 39. Name the tissue responsbile for movement of our body.40. What does a neuron look-like? 41. Where is apical meristem found? 42. Give one example of (i) Apical meristem and (ii) Lateral meristem. 43. Define permanent tissues. 44. Which chemical is deposited at the corner of cells in collenchyma? 45. Which chemical is deposited in the cell wall of sclerenchyma? 46. What is the common name of the followings? (a) Xylem (b) Phloem 47. Which type of simple tissue is used for making ropes?

1. Define the term “tissue”.
2. How many types of elements together make up the xylem
tissue? Name them.
3. How are simple tissues different from complex tissues in
plants?
4. Differentiate between parenchyma, collenchyma and
sclerenchyma on the basis of their cell wall.
5. What are the functions of the stomata?
6. Diagrammatically show the difference between the three
types of muscle fibres.
7. What is the specific function of the cardiac muscle?
8. Differentiate between striated, unstriated and cardiac
muscles on the basis of their structure and site/location in
the body.
9. Draw a labelled diagram of a neuron.
10. Name the following.
(a) Tissue that forms the inner lining of our mouth.
(b) Tissue that connects muscle to bone in humans.
(c) Tissue that transports food in plants.
(d) Tissue that stores fat in our body.
(e) Connective tissue with a fluid matrix.
(f) Tissue present in the brain.
11. Identify the type of tissue in the following: skin, bark of
tree, bone, lining of kidney tubule, vascular bundle.
12. Name the regions in which parenchyma tissue is present.
13. What is the role of epidermis in plants?
14. How does the cork act as a protective tissue?
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