This document contains a biology worksheet for 9th grade students with questions about plant tissues. It asks students to identify tissues like cork cells and meristem, explain the functions of tissues like xylem and phloem, differentiate between tissues like aerenchyma and chlorenchyma, and describe characteristics of meristematic tissues. The worksheet contains labeling and short answer questions to test students' understanding of plant tissues and their structures and functions.

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OUR OWN HIGH SCHOOL, Al WARQA’A, DUBAI
WORKSHEET
TERM - 1
Subject: BIOLOGY Grade: 9 Date: 01.06..14
PLANT TISSUES.
1. 1. Water hyacinth floats on watersurface . Give reason.
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2. 1. List two characteristics of cork cells which help them to
function as protective tissue.
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3. In a temporary mount of a leaf epidermis we observe small pores.
a) What are the pores present in the leaf epidermis called ?
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b) How are these pores beneficial to the plant ?
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4. Why does the growth of a plant occur in specific regions?
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Where are the following found?
a) Intercalary meristem
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b) Lateral meristem
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5. Which element of Xylem:
a) Help in transport of water and minerals
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b) Store food
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c) Provide mechanical support.
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6. Differentiate between Aerenchyma and Chlorenchyma.
7. Name the tissue responsible for flexibility in plants ? How would
you differentiate it from other permanent tissues?

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8. How is meristematic tissue classified on the basis of their location?
Draw a labelled diagram to show the location of meristematic tissue
in plant body .
9. Why are Xylem and Phloem called complex tissue? How are they
different from each other?
10. Give reason:
a) Meristematic tissues have a prominent nucleus and dense
Cytoplasm.
b) Branches of trees move and bend freely in high wind velocity.
c ) It is difficult to pull out the husk of coconut.
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