$(i)$ What is epidermis?
$(ii)$ List three functions of epidermis.
$(ii)$ List three functions of epidermis.
(N/A) $(i)$ Epidermis is the outermost single layer of cells that covers all parts of the plant externally.
$(ii)$ Functions of epidermis:
$(a)$ Protection: It protects the plant against water loss,mechanical injury,and invasion by parasitic fungi.
$(b)$ Secretion: Epidermal cells on the aerial parts of the plant often secrete a waxy,water-resistant layer (cuticle) which further helps in protection from mechanical injury and water loss.
$(c)$ Absorption: Root hairs present on the epidermis of roots help in the absorption of water and minerals from the soil.
$(ii)$ Functions of epidermis:
$(a)$ Protection: It protects the plant against water loss,mechanical injury,and invasion by parasitic fungi.
$(b)$ Secretion: Epidermal cells on the aerial parts of the plant often secrete a waxy,water-resistant layer (cuticle) which further helps in protection from mechanical injury and water loss.
$(c)$ Absorption: Root hairs present on the epidermis of roots help in the absorption of water and minerals from the soil.
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Similar Questions
Match the column $(A)$ with the column $(B)$:
Column $(A)$ Column $(B)$ $(a)$ Fluid connective tissue $(i)$ Subcutaneous layer $(b)$ Filling of space inside the organs $(ii)$ Cartilage $(c)$ Striated muscle $(iii)$ Skeletal muscle $(d)$ Adipose tissue $(iv)$ Areolar tissue $(e)$ Surface of joints $(v)$ Blood $(f)$ Stratified squamous epithelium $(vi)$ Skin
| Column $(A)$ | Column $(B)$ |
| $(a)$ Fluid connective tissue | $(i)$ Subcutaneous layer |
| $(b)$ Filling of space inside the organs | $(ii)$ Cartilage |
| $(c)$ Striated muscle | $(iii)$ Skeletal muscle |
| $(d)$ Adipose tissue | $(iv)$ Areolar tissue |
| $(e)$ Surface of joints | $(v)$ Blood |
| $(f)$ Stratified squamous epithelium | $(vi)$ Skin |
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View Solution$(a)$ Identify the given figures.
$(b)$ State in brief their structure.
$(c)$ Describe the role performed by the two.
$(b)$ State in brief their structure.
$(c)$ Describe the role performed by the two.
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View Solution$(a)$ Draw the adipose connective tissue.
$(b)$ Mention one region in the body where this tissue is present and state one function of this tissue.
$(b)$ Mention one region in the body where this tissue is present and state one function of this tissue.
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View SolutionCorrelate the first pair of words given below and accordingly write a suitable word in the second pair.
$(i)$ Heart : Cardiac muscles : : . . . . . . : Smooth muscles.
$(ii)$ Tissue repair : Areolar : : Insulation : . . . . . .
$(iii)$ Squamous epithelium : Protection : : . . . . . . : Absorption and secretion.
$(i)$ Heart : Cardiac muscles : : . . . . . . : Smooth muscles.
$(ii)$ Tissue repair : Areolar : : Insulation : . . . . . .
$(iii)$ Squamous epithelium : Protection : : . . . . . . : Absorption and secretion.
Medium
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