Meristematic Tissues

Q.

Bulliform or motor cells are present in

1. Dicot stem

2. Upper epidermis of dicot leaves

3. Upper epidermis of monocot leaves

4. Lower epidermis of monocot leaves

Q.

What is the difference between a palisade tissue and a mesophyll cell?

Q.

In the meristematic cells, nuclei are _______

1. medium-sized

2. absent

3. small

4. large

Q. A group of actively dividing cells forms the ________ tissue.

1. epidermal
2. vascular
3. epithelial
4. meristematic

Q.

What are the major structures of a root?

Q.

Specify any one of the lateral meristems functions.

Q. The process during which meristematic tissue takes up a permanent shape, size and function is called _____.

1. division
2. continuation
3. differentiation
4. integration

Q.

Does transpiration occur due to the activity of stomata?

Q.

Which one of the following statements is not correct?

1. In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem

2. Water hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes

3. Offsprings produced by the asexual reproduction are called clones

4. Microscopic, motile asexual reproductive structures are called zoospores

Q.

The meristematic tissue involved in the vertical growth of a plant is called

1. Intercalary meristem

2. Lateral meristem

3. Root apical meristem

4. Shoot apical Meristem

Q.

The most appropriate part of leaf epidermis in a dicot plant to observe stomata and guard cells would be on

1. Dorsal side

2. Ventral side on midrib

3. Veins

4. Any part on ventral but not midrib

Q. How do plants grow throughout their life?

Q.

The tissue responsible for the active vertical and horizontal growth in plants is called

1. Vascular tissue

2. Meristematic tissue

3. Dermal tissue

4. Ground tissue

Q.

Totipotency is present in ------------------------

1. Meristem

2. Cambium

3. Phloem

4. Cork

Q. Write short answer
Name the kind of tissue found
(a) at the tip of plant roots.
(b) at the lower surface of leaf.
(c) in the inner lining of intestine.
(d) at the joint between two long bones.
(e) in the walls of the veins of leaves.
(f) as gritty masses in the pulp of pears.

Q.

Find the correct sets from the following.

$\begin{array}{ccc}\text{Type of meristematic tissue}& \text{Location}& \text{Function}\\ \text{i. Apical meristem}& \text{Tip of stem and roots}& \text{Increases length}\\ \text{ii. Lateral meristem}& \text{Lateral sides of stem and root}& \text{Increases girth}\\ \text{iii. Intercalary meristem}& \text{Base of leaves and internodes}& \text{Growth of leaves and stem}\end{array}$

1. Only i is correct
2. Both i and ii are correct
3. Both i and iii are correct
4. All are correct

Q.

The girth of stem increases due to

1. lateral meristem

2. apical meristem

3. intercalary meristem

4. vertical meristem

Q. meristem is present at the base of the leaves.

1. Apical
2. Intercalary
3. Lateral

Q.

Give a term for unorganised mass of cells.

Q.

How do root cells increase in size?

Q.

Meristematic tissues include

1. Mature fruits and leaf tips.

2. Stems and root apices, vascular cambium and cork cambium.

3. Stems and root apices, cork cambium, and mature fruits.

4. Leaf tips, cork cambium, and vascular cambium.

Q.

If you cut off the tip of the stem, keep it in a dark room but water it regularly, which of the following is expected to happen?

1. The stem would degenerate

2. The stem will grow, but flowers may not form

3. Flowers will form in a few days

4. None of the above

Q.
Do the roots continue growing even after we have removed their tips?

Q. How are plant tissues classified according to their growth and location? What are the main features of a meristematic cell ?

Q. Name one place each in living organisms where the following tissues are located :

1. Meristematic tissue
2. Cartilage
3. Squamous epithelium
4. Sclerechyma
5. Ciliated epithelium
6. Ligament

Q.

The cells of the quiescent centre are characterized by

1. Dividing regularly to add to tunica

2. Dividing regularly to add to corpus

3. Having light cytoplasm and small nuclei

4. Having dense cytoplasm and prominent nuclei

Q. Meristematic tissues in plants,

1. Have their walls made of cellulose
2. Have intercellular spaces between them
3. Store reserve food materials
4. Have their walls made of chitin

Q. What are the functions of vein network in a leaf?

Q. Epidermis plays an important role in the survival of a plant. Explain.

Q. Write four characteristics of meristematic tissue.