Answer any twenty questions (1 mark each).
UNIT-I
1. Name one method of soil sterilization in gardening operation.1
Solarization is a common method where soil is covered with plastic sheets to trap solar heat and kill pathogens.
2. What is defoliation?1
Defoliation is the process of removing leaves from a plant, either naturally due to environmental factors or artificially to encourage new growth or flowering.
3. Define topiary.1
Topiary is the horticultural practice of training perennial plants by clipping the foliage and twigs of trees and shrubs to develop and maintain clearly defined shapes, such as geometric or animal forms.
4. What is hedge?1
A hedge is a line of closely spaced shrubs and sometimes tree species, planted and trained to form a barrier or to mark the boundary of an area.
5. What do you mean by transplanting?1
Transplanting is the process of moving a plant from one location (usually a nursery or seedbed) to its permanent growing position in a garden or field.
UNIT-II
6. Name a plant most commonly cultivated in Kitchen gardens.1
Tomato (Solanum lycopersicum) is one of the most common plants cultivated in kitchen gardens.
7. Write the name of a famous botanical garden in India.1
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Acharya Jagadish Chandra Bose Indian Botanic Garden, situated in Shibpur, Howrah (Kolkata).
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8. Name an orchard plant.1
Mango (Mangifera indica).
9. What are weeds?1
Weeds are unwanted plants growing in a specific location, often competing with cultivated plants for nutrients, water, and sunlight.
10. What is organic manure?1
Organic manure is decomposed organic matter derived from animal waste (e.g., cow dung) or plant residues (e.g., compost) used to improve soil fertility.
UNIT-III
11. State the function of humidifier.1
A humidifier is used to increase the moisture content (relative humidity) in the air within a greenhouse or nursery to prevent plants from drying out.
12. Mention the climatic condition in which net house is the best alternative to raise seedlings.1
Net houses are best suited for hot and arid climates or areas with high intensity of sunlight and wind, as they provide partial shade and wind protection.
13. What is the use of mist propagating unit?1
It is used for the propagation of softwood cuttings by maintaining a fine film of water on the leaves to reduce transpiration and cooling the environment.
14. What is Lathhouse?1
A lathhouse is a structure made of wood or metal laths that provides partial shade and reduces wind velocity, used for hardening seedlings or growing shade-loving plants.
15. What is the use of hotbed in gardening and nursery management?1
A hotbed is an enclosed bed of soil that is heated (usually by decomposing organic matter or electric cables) to provide warmth for germinating seeds and rooting cuttings in cold weather.
UNIT-IV
16. Name a vegetative propagating part of garden plants.1
Stem cuttings.
17. What is tuber?1
A tuber is a thickened underground stem or root used by plants to store nutrients, such as a potato.
18. What are the parts of a seed?1
The primary parts are the Seed coat, Embryo, and Endosperm (food storage).
19. Name one rooting hormone.1
Indole-3-butyric acid (IBA).
20. What are epiphytes?1
Epiphytes are plants that grow on the surface of another plant (usually trees) for physical support but derive their moisture and nutrients from the air and rain, not the host.
UNIT-V
21. Name one avenue tree.1
Gulmohar (Delonix regia).
22. Where is the Indian Botanic Garden situated?1
It is situated in Shibpur, Howrah, West Bengal.
23. Name one ornamental climber.1
Bougainvillea.
24. Name one ornamental foliage plant.1
Coleus.
25. Name one ornamental annual plant.1
Marigold (Tagetes).
SECTION-B (Short Notes)
Use tables for categorization questions (like Q.45) to ensure the examiner can quickly verify your plant choices. [span_91](start_span)For "history" or "styles" questions, mention specific examples like the Mughal gardens or Rashtrapati Bhavan.[span_91](end_span)