One Mark Questions Answers

ORGANISATION OF TISSUES

TEXT BOOK EXERCISES

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

[Answer: (d) None of above ]

2. The fibres consists of

(a) parenchyma

(b) sclerenchyma

(c) collenchyma

(d) None of above

[Answer: (b) sclerenchyma]

3. Companion cells are closely associated with

(a) sieve elements

(b) vessel elements

(c) trichomes

(d) guard cells

[Answer: (a) sieve elements]

4. Which of the following is a complex tissue?

(a) Parenchyma

(b) Collenchyma

(c) Xylem

(d) Sclerenchyma

[Answer: (c) Xylem]

5. Aerenchyma is found in

(a) epiphytes

(b) hydrophytes

(c) halophytes

(d) xerophytes

[Answer: (b) hydrophytes]

6. Smooth muscles occur in

(a) uterus

(b) artery

(c) vein

(d) all of the above

[Answer: (d) all of the above]

7. Nerve cell does not contains

(a) axon

(b) nerve endings

(c) tendons

(d) dendrites

[Answer: (c) tendons]

II. Match the following.

Sclereids - Chlorenchyma

Chloroplast - Sclerenchyma

Simple tissue - Collenchyma

Companion cell - Xylem

Trachieds - Phloem

Answer:

Sclereids - Sclerenchyma

Chloroplast - Chlorenchyma

Simple tissue - Collenchyma

Companion cell - Phloem

Trachieds – Xylem

III. Fill in the blanks :

1. Compound epithelium tissues provides mechanical support to organs.

2. Parenchyma, Collenchyma, Sclerenchyma are simple type of tissue.

3. Xylem and phloem are complex tissues.

4. Epithelial cells with cilia are found in trachea or wind pipe of our body.

5. Lining of small intestine is made up of columnar epithelium _.

IV. State whether true or false. If false, correct the statement :

1. Epithelial tissue is protective tissue in animal body.

Answer: True.

2. Bone and cartilage are two types of areolar connective tissue.

Answer: False.

Correct statement: Bone and cartilage are two types of supportive connective tissue.

3. Parenchyma is a simple tissue.

Answer: True.

4. Phloem is made up of tracheids.

Answer: False.

Correct statement: Phloem is made up of sieve tubes.

5. Vessels are found in collenchyma.

Answer: False.

Correct statement: Vessels are found in xylem.