Secondary Growth

Q.

__ is found within the vascular bundles of dicots, which eventually grows out of it during secondary growth.

Q.

Secondary growth is initiated by ______

1. Xylem

2. Phloem

3. Cambium Ring

4. Pith

Q. In a ring girdled plant:

1. Neither root nor shoot will die
2. The shoot dies first
3. The root dies first
4. The shoot and root die together

Q. For a critical study of secondary growth in plants, which one of the following pairs is suitable?

1. Sugarcane and sunflower
2. Teak and pine
3. Deodar and fern
4. Wheat and maiden hair fern

Q.

Secondary growth does not occur in monocots as their vascular bundles are

1. closed

2. Scattered

3. enclosed by sclerenchyma

4. radial

Q.

Which of the following is not a product of secondary growth activity of a plant?

1. Cork

2. Pith

3. Lenticel

4. Heartwood

Q.

For a critical study of secondary growth in plants, which one of the following pairs is suitable?

1. Sugarcane and sunflower

2. Deodar and fern

3. Wheat and maiden hair fern

4. Teak and pine

Q. In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues:

1. All parts
2. Branches
3. Flowers, fruit and leaves
4. Stem and root

Q.

Abnormal secondary growth is found in:

1. Helianthus

2. Dracaena

3. Triticum

4. Cucurbita

Q. Secondary growth is seen only in monocots.

1. False
2. True