NCERT Class-9 Science Solutions: Chapter 6 – Tissues Part 5

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Question 29:

Flexibility in plants is due to

  1. Collenchyma

  2. Sclerenchyma

  3. Parenchyma

  4. Chlorenchyma

Answer: A

Image Collenchyma

Image Collenchyma

Image Collenchyma

Question 30:

Cork cells are made impervious to water and gases by the presence of

  1. Cellulose

  2. Lipids

  3. Suberin

  4. Lignin

Answer: C

Image Suberin

Image Suberin

Image Suberin

Question 31:

Survival of plants in terrestrial environment has been made possible by the presence of

  1. Intercalary meristem

  2. Conducting tissue

  3. Apical meristem

  4. Parenchymatous tissue

Answer: B

Image Conducting tissue

Image Conducting Tissue

Image Conducting tissue

Question 32:

Choose the wrong statement

  1. The nature of matrix differs according to the function of the tissue

  2. Fats are stored below the skin and in between the internal organs

  3. Epithelial tissues have intercellular spaces between them

  4. Cells of striated muscles are multinucleate and unbranched

Answer: C

Image Epithelial tissues intercellular spaces

Image Epithelial Tissues Intercellular Spaces

Image Epithelial tissues intercellular spaces

Question 33:

The water conducting tissue generally present in gymnosperm is

  1. Vessels

  2. Sieve tube

  3. Tracheids

  4. Xylem fibers

Answer: C

Image Tracheids

Image Tracheids

Image Tracheids

Short Answer Questions

Question 34:

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

Answer:

Hint: Fat acts as subcutaneous insulation of body for thermoregulation

Question 35:

Match the column (A) with the column (B)

Match the Column (A) with the Column (B) (Q)
Match the column (A) with the column (B) (Q)

(A)

(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

Answer:

Match the Column (A) with the Column (B) (A)
Match the column (A) with the column (B) (A)

(A)

(B)

A.

Fluid connective tissue

V.

Blood

B.

Filling of space inside the organs

IV.

Areolar tissue

C.

Striated muscle

III.

Skeletal muscle

D.

Adipose tissue

I.

Subcutaneous layer

E.

Surface of joints

II.

Cartilage

F.

Stratified squamous epithelium

VI.

Skin