Tissues

Q45. Draw a labelled diagram of a neuron.

 

Q46. Complete the table:


 

Q47. Name the regions in which parenchyma tissue is present.

 

Q48. What is the role of epidermis in plants?

 

Q49. Name the tissue responsible for movement in our body.

 

Q50. How does the cork act as a protective tissue?

 

Q51. Water hyacinth float on water surface. Explain.

 

Q52. If a potted plant is covered with a glass jar, water vapours appear on the wall of glass jar. Explain why?

 

Q53. Fill in the blanks.

(a) Lining of blood vessels is made up of _____.

(b) Lining of small intestine is made up of _____.

(c) Lining of kidney tubules is made up of _____.

(d) Epithelial cells with cilia are found in_____ of our body.

 

Q54. Animals of colder regions and fishes of cold water have thicker layer of subcutaneous fat. Describe why?

 

Q55. What is the specific function of the cardiac muscle?

 

Q56. Write true (T) or false (F)

(a) Epithelial tissue is protective tissue in animal body.

(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.

(c) Epithelial cells have a lot of intercellular spaces.

(d) Epithelial layer is permeable layer.

(e) Epithelial layer does not allow regulation of materials between body and external environment.

 

Q57. Which structure protects the plant body against the invasion of parasites?

 

Q58. Give reasons for

(a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.

(b) Intercellular spaces are absent in sclerencymatous tissues.

(c) We get a crunchy and granular feeling, when we chew pear fruit.

(d) Branches of a tree move and bend freely in high wind velocity.

(e) It is difficult to pull out the husk of a coconut tree.

 

Q59. What are the functions of the stomata?

 

Q60. Identify the type of tissue in the following: skin, bark of tree, bone, lining of kidney tubule, vascular bundle.

 

 

Q61. How are simple tissues different from complex tissues in plants?

 

Q62. 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.

 

Last modified: Friday, 27 August 2021, 7:30 AM