Organisation of Tissues

Samacheer Book Back Questions And Answers For Science Standard 9 “Organisation of Tissues“

I. Choose the correct answer:
1. The tissue composed of living thin walled polyhedral cell is
(a) parenchyma
(b) pollenchyma
(c) pclerenchyma
(d) None of above

2. The fibres consists of
(a) parenchyma
(b) sclerenchyma
(c) collenchyma
(d) None of above

3. Companion cells are closely associated with
(a) sieve elements
(b) vessel elements
(c) trichomes
(d) guard cells

4. Which of the following is a complex tissue?
(a) Parenchyma
(b) Collenchyma
(c) Xylem
(d) Sclerenchyma

5. Aerenchyma is found in
(a) epiphytes
(b) hydrophytes
(c) halophytes
(d) xerophytes

6. Smooth muscles occur in
(a) uterus
(b) artery
(c) vein
(d) all the above

7. Nerve cell does not contains
(a) axon
(b) nerve endings
(c) tendons
(d) dendrites

II. Match the following:
1. Sclereids              A. Chlorenchyma
2. Chloroplast          B. Sclerenchyma
3. Simple tissue       C. Collenchyma
4. Companion cell   D. Xylem
5. Trachieds             E. Phloem

Answers:
1. B
2. A
3. C
4. E
5. D

III. Fill in the blanks:
1. _____ tissues provides mechanical support to organs.
2. Parenchyma, Collenchyma, Sclerenchyma are _____ type of tissue.
3. _____ & _____ are complex tissues.
4. Epithelial cells with cilia are found in _____ of our body.
5. Lining of small intestine is made up of _____.

Answers:
1. Compound epithelium
2. simple
3. Xylem and phloem
4. trachea / wind pipe
5. columnar epithelium

IV. State whether true or false. If false, correct the statement:
1. Epithelial tissue is protective tissue in animal body.
2. Bone and cartilage are two types of areolar connective tissue.
3. Parenchyma is a simple tissue.
4. Phloem is made up of tracheids.
5. Vessels are found in collenchyma.

Answers:
1. True
2. False (Bone and cartilage are two types of supportive connective tissue)
3. True
4. False (Phloem is made up of sieve tubes)
5. False (Vessels are found in xylem)

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