LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

   B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIRST SEMESTER – NOVEMBER 2010

PB 1507/PB 1504 – PRINCIPLES OF HORTICULTURE

 

 

 

Date : 12-11-10                     Dept. No.                                                   Max. : 100 Marks

Time : 1:00 – 4:00

PART – A (20 marks)

ANSWER  ALL THE QUESTIONS

1. Choose the correct answer                                                                                                      (5 x 1 =5)
   1. Olericulture is the study of
2. Flowers b) Fruits        c) Vegetables           d) Gardens.

1. Shade nets are used in

1. Store house b) Mist chamber        c) Hot beds    d) Glass house.

1. The plant that is suitable for hedge is

1. Sunflower          b) Roses                    c) Jasmine    d) Thevetia.

1. The plant that is commonly used in Topiary is

1. Casuarina           b)  Nerium                c)  Balsam    d)  Cassia.
2. Which of the following is not suitable for cut flower?
3. a) Rose b) Lily                        c) Carnation             d) Jasmine.

 

1. State whether the following statements or True or False:             (5×1=5)
2. The Botanical garden in Ooty is a symmetrical type of garden.

1. The best soil mixture is a mixture of sand and clay.
2. A series of interlinked arches are known as tubs.
3. Rangoli is also known as floral carpets.
4. Floriculture is the study of floral arrangement.

 

III. Complete the following:                                                                                                             (5×1=5)

1.  ________________ is the best method of irrigation for lawns.
2. Compost making using earthworm is known as _______________.
3. The flowering plant that is most suitable as an edge plant is __________.
4. The art of shaping the plants is ________________.
5. ___________ is added in the water to prolong the shelf life of cut flowers.

 

1. Answer ALL, each in about 50 words.             (5×1=5)

1. Define Pomology.
2. Mention the importance of hotbeds.
3. What is Terrace gardening?
4. Differentiate between pruning and pinching.
5. What is commercial floriculrue?

PART – B

Answer the following, each within 500 words,

 Draw diagrams wherever necessary.                                                                               (5×7=35 marks)

1.  a) How will you classify the vegetables based on the morphology?

(OR)

1. What is Hydroponics? Explain the different types.

 

1.  a) What is organic farming?  Explain organic farming and mention its advantages.

(OR)

1. b) What is cuttage? Explain the various types of stem cuttings with an example for each.

 

1.  a) What is terrarium?  How will you prepare and maintain terrarium?

(OR)

1. b) What is Bonsai? Explain the different styles of bonsai.

 

1.  a) What is staking?  Explain the different methods.

(OR)

1. b) What is mulching? Explain the different materials that are used for mulching and the

importance of mulching.

 

1.  a) Explain the methods of propagation of rose.

(OR)

1. b) Discuss the export potential of ornamental flowers in India.

 

PART – C

 

Answer any THREE of the following, each within 1500 words only.

Draw diagrams and flowcharts wherever necessary.                                                  (3×15=45 marks)

 

1. Explain the classification of fruits based on the climate and habit.  Describe the importance of manuring and pruning in fruit plants and the different methods of fruit picking.

 

1. Define layering and grafting and explain the different methods.

 

1. Explain the importance of water garden and rockery, the methods of preparation and the plants that are commonly grown in water garden and rock garden.

 

1. Describe the different types of flower arrangements and the flowers that are commonly used and their purpose.

 

1. Explain the different methods of Japanese floral arrangements.

 

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