LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc.

IB 45

DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIRST SEMESTER – APRIL 2007

PB 1504 – PRINCIPLES OF HORTICULTURE

 

 

Date & Time: 26/04/2007 / 1:00 – 4:00          Dept. No.                                                     Max. : 100 Marks

 

 

 

Part A

 

1. Choose the correct answer (5 x 1 = 5 )

 

1. The method of cultivating fruit yielding plants is called as ……..
2. floriculture b. agriculture               c. horticulture              d. pomology

 

2. The ………… pot is most suitable one for cultivation of plants.
3. porous b. paper                       c. cement                     d. plastic

 

3. Which of the following is suitable for lawns?
4. a) Cyanodon b) Cymbopogon                      c) Citonella                  d) Quisqualis
5. Nelumbo is suitable for ______ garden
6. a) rock b) terrace                                 c) roof                         d) water
7. Name the plant used in commercial floriculture:
8. a) Gomphrena b) Tuberose                             c) Ixora                        d) Geranium

 

1. State whether the following statements are True or False (5 x 1 = 5 )

 

6. IAA is used for the initiation of roots.
7. The rooted plant in layering is called stock.
8. Ravenela madagascarensis is used as a specimen tree.
9. Disbudding is practiced in rose cultivation..
10. Freezing is a method for increasing the shelf life of cut flowers.

 

III. Complete the following                                                                 (5 x 1 = 5)

 

11. The purpose of mulching is to ………………
12. The culture of plants in which the root medium is exclusively water fortified with

dissolved nutrient is called ………..

13. The art of pruning plants to desired shape is called ________
14. Pathogens in the soils can be eliminated by __________.
15. Zerbera is widely used as __________.

 

1. Answer the following in about 50 words (5 x 1 = 5)

 

16. Why some plants are called as medicinal plants?
17. Define Agriculture
18. What are edges?
19. Define roof gardens.
20. Distinguish between arches and pergolas.

 

 

 

 

 

Part B

 

Answer any five of the following each in about 350 words. Draw necessary diagrams.

(5 x 8 = 40)

21. Explain the types of vegetative propagation.
22. List out the important features of Ooty Botanical Garden and Lalbagh
23. Mention Do’s and Don’t during pot culture technique.
24. List out any 8 garden implements and its significance in horticulture
25. Write notes on fencing hedge , borders and adornments.
26. Explain the organization of water gardens and rock gardens.
27. Explain briefly about the cultivation of rose.
28. With suitable examples illustrate the importance of flowers in preparation of garlands and flower ornaments.

 

Part C

 

Answer the following questions in about 1500 words. Draw necessary diagrams

(2 x 20 = 40)

 

29a.   Write in detail about Japanese art of plant cultivation.

(or)

 

1. i) With a blue print,  explain in detail about  the structure of  nursery.

 

30a. Explain in detail about commercial floriculture

 

(or)

 

1. Explain the following:
2. i) Flower bouquets ii) Ikebana

iii)  Topiary                              iv) transplantation

 

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