Stem and Its Parts

Q.

What is Parenation

Q.

Runner (stems) are usually found in ___.

1. Grasses

2. Epiphytes

3. Climbers

4. Twiners

Q.

Examples for stem tendrils and leaf tendrils

Q. Which of the following would you associate with the stem of a plant?

1. Nodes and internodes
2. Axillary buds and terminal buds
3. Venation
4. Vegetative propagation

Q.

The water readily available to plants for absorption by roots is

1. Rain wate

2. Hygroscopic water

3. Gravitational water

4. Capillary water

Q. A stem with distinct solid nodes and hollow internodes is

1. scape
2. rhizome
3. sobole
4. culm

Q.

The xylem tissue takes water from the roots to the leaves through the __.

Q. Why ringing experiment cannot be performed in monocot stem

Q.

Branches of the stem are:

1. Exogenous in origin

2. Endogenous in origin

3. Partially endogenous and partially exogenous

4. Superficial

Q.

What does perination refers to in botany?

Q.

Give an example of such plant in which stem is modified to perform a special function, i.e. storage of water.

Q. Stems have played and important role in plant evolution. Their functions have changed and evolved over a period of time. From the list given below (i to iv), identify the functions performed by stems in different types of plants.
(i) Photosynthesis
(ii) Support
(iii) Storage
(iv) Spread and dispersal of plants

1. (i) and (ii) only
2. (i), (ii) and (iii) only
3. (i), (ii), (iii) and (iv)
4. (ii), (iii) and (iv) only

Q. Quiescent centre occurs in

1. Root cap
2. Vegetative shoot apex
3. Reproductive shoot apex
4. Root apex

Q.

Apart from providing mechanical support, the stem can also aid in vegetative propagation.

1. True

2. False

Q. Arrangement of vascular bundles is the same in monocots and dicots.

1. False
2. True

Q. Write any three functions of stem.

Q.

Identify the growth that occurs by the activity of intercalary meristems.

1. Growth in width.

2. Growth in girth.

3. Linear growth.

4. All of these.

Q. True or False Questions.

Cambium has the apical meristem.

1. False
2. Ture

Q. A stem with distinct solid nodes and hollow internodes is

1. sobole
2. culm
3. scape
4. rhizome

Q. Which of the following statements are correct?

(i) If the stem is jointed with solid nodes and hollow intemodes, it is called caudex.
(ii) In Tridax, the stem is decumbent.
(iii) Corm is a condensed form of rhizome growing more or less in vertical direction.
(iv) Sucker is an underground modificaton of stem.
(v) Biparous type of cymose branching is seen in Saraca.

1. (i), (iv) and (v)
2. (ii) and (iii)
3. (ii), (iii) and (v)
4. (iii) and (iv)

Q. Arrangement of young leaves with respect to each other in a bud is called

1. Venation
2. Phyllotaxy
3. Vernation
4. Aestivation

Q. Cortex and pith present in a cross sectional view of dicot stem are non-vascular tissues.

1. True
2. False

Q. A long, leafless, flowering stem arising directly from a bulb like in onion, is called?

1. Turion
2. Scape
3. Bulbil
4. Liana

Q. Interfascicular cambium arises from _______.

1. Cortical cells
2. Medullary rays
3. Pericycle
4. Endodermis

Q.

Minerals present in the soil are absorbed by

1. roots

2. stems

3. buds

4. leaf

Q. Cortex and pith present in a cross sectional view of dicot stem are non-vascular tissues.

1. True
2. False

Q.

Velamen tissue is found in what type of plants?

1. Mesophytes

2. Epiphytes

3. Hydrophytes

4. Xerophytes

Q.

Choose the parts of a plant that depends on the stem for support.

1. Leaves

2. Fruits

3. Flowers

4. Roots

Q.

Apart from providing mechanical support, the stem can also aid in vegetative propagation.

1. True

2. False

Q. Which of the following is not the primary function of stem?

1. Conduction of water.
2. Photosynthesis.
3. Formation of branches.
4. Bears flowers and fruits.