Green House MCQ: Types of Green House
Read MCQ on Types of Green House. Topics: Different types of green house, structure and construction and establishment, different loads, cladding material, protected cultivation, etc.
Also read: Multiple Choice Questions On Horticulture
Types of green house: Multiple Choice Question (MCQ)
Question 01. What type of greenhouse is constructed on hilly terrain?
(a). Uneven span type green house
(b). Even span type green house
(c). Lean to type green house
(d). None of the above
Question 02. There is provision for natural ventilation in:
(a). Ridge and furrow type GH
(b). Saw tooth type GH
(c). Both a and b
(d). None of the above
Question 03. Which is true about quonset type GH?
01: Pipe arches are supported by pipe purling running along the length of the greenhouse
02: Covering material is polyethylene
03: It is less expensive
(a). Only 1 is true
(b). Only 2 is true
(c). Only 3 is true
(d). All are true
Question 04. Light intensity is uniform throughout the greenhouse in
(a). Plastic film GH
(b). Glass GH
(c). Rigid panel green house
(d). None of the above
Question 05. Shading nets are
(a). High cost GH
(b). Low cost GH
(c). Medium cost GH
(d). None of the above
Scope and Use
Question 06. GH suitable for
(a). Vegetable plants
(b). Floral plants
(c). Fruit plants
(d). Both a and b
Question 07. Which is the harmful pathogen of strawberry in GH cultivation?
(a). Botrytis cinerea
(b). Botrytis elliptica
(c). Botrytus ployblastis
(d). None of the above
Question 08. The commercial utilization of greenhouses in India started from
(a). 1986
(b). 1978
(c). 1988
(d). 1990
Question 09. Which of the following country ranks first in green house cultivation in the world?
(a). United States of America
(b). China
(c). Japan
(d). India
Question 10. For which crop was the green house used for the first time?
(a). Medicinal crops
(b). Flower crops
(c). Fruit crops
(d). Tuber crops
Establishment of GH
Question 11. Which of the following is considered while selecting site for a GH?
(a). Solar radiation
(b). Water
(c). Microclimate
(d). None of the above
Question 12. What should be the direction of a green house?
(a). East to South
(b). South to North
(c). East to West
(d). North to West
Question 13. What is true about the GH orientation?
(a). In multi-span greenhouses, gutter should be oriented South – East.
(b). A free standing greenhouse should have its long axis perpendicular to the wind direction
(c). Both a and b
(d). In Naturally ventilated greenhouse, the ventilator should not open on the leeward side
Question 14. In a cool greenhouse, the night time temperature falls to about:
(a). 5-7 °C
(b). 10-16 °C
(c). 7-10 °C
(d). None of the above
Question 15. A warm greenhouse has nighttime temperatures of:
(a). 10-13 °C
(b). 8-10°C
(c). 13-15 °C
(d). None of the above
Question 16. Which of the following plant/crop is suitable for cool green house?
(a). Daffodils
(b). Narcissi
(c). Hyacinths
(d). All of the above
Question 17. Which of the following plant/crop is not suitable for warm green house?
(a). Funchsias
(b). Bougainvilleas
(c). Caladiums
(d). Poinsettias
Question 18. Read about green house loads and give your answer.
01: Dead and Live Loads: Defined by the building code
02. Environmental Loads: Not defined by the building code
03: Collateral Loads: Weight of support equipment used for the operation or maintenance of plant material, including water
04: Plant Live Load: Weight of supported or suspended plant material
(a). Only 1, 3 and 4 are true
(b). Only 1, 2 and 4 are true
(c). Only 2 and 3 are true
(d). All are true
Question 19. Which is a part of dead load?
(a). Structure load
(b). Cladding load
(c). Both a and b
(d). None of the above
Question 20. Which is a load of live load?
(a). Collateral loads
(b). Plant laod
(c). Roof load
(d). All of the above
Answer Key
| 1. | a | 6. | d |
| 2. | b | 7. | a |
| 3. | d | 8. | c |
| 4. | c | 9. | b |
| 5. | b | 10. | a |
| 11. | d | 16. | d |
| 12. | c | 17. | a |
| 13. | b | 18. | a |
| 14. | c | 19. | c |
| 15. | d | 20. | d |
Explanations
11: Answer is 4 because all things are considered while selection site for a GH.
12: To avoid the shading effect from one green house to another greenhouse these should be oriented East to West.