Session 1: Trees, Shrubs and Vines
Unit 4: Growing of Perennials
Textual Question-Answers
Check Your Progress
A. Fill in the Blanks
1. The group of plants which remains productive for many yearsis—————
Ans: perennials
2. The plants that have soft and succulent stem are——————
Ans: herbaceous plants
3. Climbers are perennials which have ————and need supportto climb.
Ans: weak stems
4. Medium size bushy plants are known as———————
Ans: shrubs
5. The plant with well defined single woody stem and branching atcrooks is known as a———————
Ans: tree
6. The height of a tree may be more than ———————meters.
Ans: 6
7. Continuous growth is shown by—————————
Ans: evergreen plants
B. Multiple Choice Questions
1. In ——————, the growth phase is discontinuous.
(a) Deciduous trees
(b) Evergreen trees
(c) Annuals
(d) None of the above
Ans: (a)
2. In India, shrubs are mostly planted during the —————season.
(a) Rainy
(b) Winter
(c) Summer
(d) None of the above
Ans: (a)
3. —————is an art of giving shape of an object to the plants.
(a) Girdling
(b) Pruning
(c) Topiary
(d) Goottee
Ans: (c)
4. —————is not a type of climber.
(a) Twiners
(b) Ramblers
(c) Rubber plant
(d) Trailers
Ans: (c)
5. Money plant is an example of a————
(a) Tree
(b) Shrub
(c) Climber
(d) Rambler
Ans: (c)
C. Subjective Questions
1. What are perennials? Give the important characteristics ofperennials.
Ans: Perennials are plants that live for more than two years. They havelong life span, woody or semi-woody stems, and produce flowers and fruitsfor many years.
2. What are the different types of perennials?
Ans: Perennials are classified as trees, shrubs, climbers, creepers andherbaceous perennials.
3. Give the important uses of perennials.
Ans: Perennials are used for shade, ornamental purpose, avenue planting, hedges, screens and landscaping.
4. Write down the importance of trees.
Ans: Trees provide shade, timber, fuel, fruits, oxygen, improveenvironment and enhance landscape beauty.
5. Write down the uses of shrubs.
Ans: Shrubs are used for hedges, borders, screening, ornamental plantingand medicinal purposes.
6. Describe the propagation of shrubs.
Ans: Shrubs are propagated by seeds, cuttings, layering, budding andgrafting.
7. How can trees be planted?
Ans: Trees are planted by pit method using healthy seedlings or graftswith proper spacing and irrigation.
8. What is topiary work? Name the plants suitable for topiary.
Ans: Topiary is the art of training and trimming plants into decorative shapes. Plants like Duranta, Bougainvillea, Cypress, and Ficus are suitable.
9. What are trees? How are they classified?
Ans: Trees are tall woody plants with a single main stem. They areclassified as evergreen and deciduous trees.
10. What are shrubs? How are they classified?
Ans: Shrubs are medium sized woody plants with many branches fromthe base. They are classified as flowering and ornamental shrubs.
11. What are the different types of climbers? Explain with suitableexamples.
Ans: Climbers are classified as twiners, tendril climbers, root climbersand ramblers. Examples include money plant, grapevine and bougainvillea.
12. Distinguish between: climbers and creepers
Ans: Climbers have weak stems and need support, whereas creepers spreadon the ground without support.
trees and shrubs
Ans: Trees have a single main trunk and are tall, whereas shrubs havemany branches from the base and are shorter.
13. Give five examples of each of the plants suitable for Flowering trees
Ans: Gulmohar, Ashok, Amaltas, Jacaranda, Cassia
Flowering shrubs
Ans: Hibiscus, Rose, Oleander, Ixora, Gardenia
Flowering climbers
Ans: Bougainvillea, Rangoon creeper, Clematis, Jasmine, Morning glory
Ornamental shrubs
Ans: Croton, Duranta, Acalypha, Codiaeum, Eranthemum
Bonsai
Ans: Ficus, Juniper, Bougainvillea, Tamarind, Pine
Indoor plants
Ans: Money plant, Spider plant, Snake plant, Dracaena, Areca palm
Palms
Ans: Areca palm, Date palm, Royal palm, Coconut, Fan palm
Ornamental trees
Ans: Polyalthia, Delonix, Neem, Alstonia, Spathodea
D. Match the Columns
Ans:
1. Evergreen tree — (b) Ashok
2. Foliage climber — (d) Dalbergia sissoo
3. Medicinal shrub — (c) Ocimum
4. Shady tree — (a) Saptparni
5. Erect growing — (e) Vernonia elaeagniefolia
