Question

Class - IX
Subject : Biology ( N. S)
Revision test - 1
Marks - 20
[ Le - Tissues]

I. Multiple choice questions. ( 5M)

1. The meristematic cells have -----

i) thin walls
ii) prominent nuclei
iii) presence of vacuoles
iv) dense cytoplasm

a) i and ii
b) I, ii and iii
c) I, ii, iii and iv
d) I, ii and iv

2. Meristem helps in

a) absorption of water
b) absorption of minerals
c) translocation of food
d) growth of plants

3. Which of the following is true?

The division of apical meristem leads to the

a) decrease the plant growth
b) decrease in the growth of girth.
c) increase the width
d) increase in plant length.

4. Meristematic cells are

a) differentiated
b) mature and dead cells
c) living and mature
d) living

5. The size of the stem increases in the width
due to

a) apical meristem
b) intercalary meristem
c) primary meristem
d) lateral meristem

II. Fill in the blanks. (3M)

1. Lateral meristem is also known as ---------.

2. Intercalary meristem is mainly located at --------.

3. Most of the plant tissues are --------------- tissues.

III. Write the reason for the following. ( 4M)

1. Murali planted five various plants on his birthday. After a few days when Murali observed their growth Murali noticed that one of those plants couldn't
show growth in length. What would be the reason for this?

Reason :

2. Vacuoles are absent in meristem.

Reason:

3. Plant tissues require less energy for their maintenance.

Reason:

4. Why the growth of plants occur only in certain specific regions?

Reason:

IV. Answer the following
questions.

1. What are the three types of meristem and write their functions? (3M)

2. What are the differences of plant and animal tissues? (3M)

3. Draw a neat labelled diagram that shows the location of meristem in plant body. ( 2M)​

Answer 1

Answer:

c)I, ii, iii and iv

Explanation:

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Answer 2

Answer:

Q1

1. thin walls,prominent nuclei, dense cytoplasm
2. growth of plants
3. increase in the plant length
4. living
5. lateral meristem

Q2

1. secondary meristem
2. internodes
3. living cells