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Covers topics from Horticulture Science ( Training & Pruning)
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Self-assessment, revision aid, topic-wise practice, and confidence booster.
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Multiple Choice Questions (MCQs) with instant answers and explanations.
1. What is the primary purpose of 'training' in horticulture?
To remove diseased branches
To increase fruit yield directly
To give a plant a specific shape and structure
To stimulate flowering
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Correct Answer: To give a plant a specific shape and structure Training involves cutting plant parts specifically to develop a desired shape, structure, and strength in the plant.
2. What is 'pruning' mainly focused on?
Giving shape to young plants
Removing diseased/useless branches for better yield
Developing a strong framework
Encouraging vegetative growth
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Correct Answer: Removing diseased/useless branches for better yield Pruning is the removal of unwanted parts like diseased or unproductive branches to improve the quality and quantity of the produce.
3. Which training system involves allowing the main stem to grow indefinitely and is also known as the 'closed centre system'?
Open Central System
Central Leader System
Modified Central Leader System
Bower System
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Correct Answer: Central Leader System In the Central Leader System, the main trunk grows continuously, forming a dominant central axis, often referred to as a closed center.
4. The 'Open Central System' is also known by which other name?
Pyramid System
Vase System
Spindle Bush System
Cordon System
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Correct Answer: Vase System The Open Central System, where the center of the tree is kept open, is often called the Vase System due to the resulting shape.
5. Which fruit trees are typically trained using the Open Central System?
Apple
Pear
Walnut
Peach Plum Apricot
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Correct Answer: Peach Plum Apricot Peach, Plum, and Apricot are commonly trained using the Open Central System to allow better light penetration into the canopy.
6. The 'Modified Central Leader System' is considered an intermediate form between which two systems?
Head System and Kniffin System
Central Leader and Open Central System
Bower System and Telephone System
Vase System and Pyramid System
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Correct Answer: Central Leader and Open Central System The Modified Central Leader System combines features of both the Central Leader and Open Central systems, offering a balance between height and spread.
7. Which training system for grapes is described as the simplest, allowing the main stem to grow to 75-90 cm with 5-6 lateral branches at the top?
Kniffin System
Bower System
Head System
Telephone System
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Correct Answer: Head System The Head System is the most basic training method for grapes, involving a short trunk topped with a few fruiting spurs or canes.
8. Which training system for grapes is the most expensive but suitable for high-yielding varieties like 'Anaab-a-Shahi'?
Head System
Kniffin System
Telephone System
Bower System/Pandal Method
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Correct Answer: Bower System/Pandal Method The Bower System, also known as Pandal or Pergola, is elaborate and costly but supports vigorous growth and high yields, making it ideal for varieties like Anaab-a-Shahi.
9. What does 'Thinning out' in pruning refer to?
Removing the tip of a branch
Removing the entire branch from its base
Removing a small section of bark
Shortening a branch
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Correct Answer: Removing the entire branch from its base Thinning out is a pruning cut that removes an entire branch back to its point of origin on a main stem or trunk.
10. What is the purpose of 'Heading back' in pruning?
To remove the entire branch
To encourage lateral growth by removing the terminal part of a shoot
To remove bark
To reduce plant height drastically
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Correct Answer: To encourage lateral growth by removing the terminal part of a shoot Heading back involves cutting off the terminal portion of a branch or shoot to stimulate growth from the lateral buds below the cut.
11. The removal of a 3 cm wide ring of bark around a trunk or branch, often used in grapes, is called?
Notching
Nicking
Ringing/Girdling
Heading back
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Correct Answer: Ringing/Girdling Ringing or Girdling involves removing a complete strip of bark to manipulate carbohydrate movement, often used to promote fruiting in grapes.
12. What is 'Notching' in the context of pruning?
Removing the entire branch
Removing a wedge-shaped piece of bark above a bud
Removing a ring of bark
Cutting the tip of a shoot
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Correct Answer: Removing a wedge-shaped piece of bark above a bud Notching is the removal of a small wedge of bark directly above a bud to encourage that specific bud to grow.
13. What is the suitable time for pruning in Ber (Indian Jujube)?
December-January
February-March
April-May
July-August
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Correct Answer: April-May Ber trees are typically pruned heavily during April-May, after the harvest and before the onset of new growth for the next season.
14. What type of pruning is specifically mentioned for Date Palm, and what is the optimal number of leaves to retain?
Root pruning; 50-75 leaves
Heavy pruning; 100-125 leaves
Leaf pruning; 75-100 leaves
Tip pruning; 150 leaves
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Correct Answer: Leaf pruning; 75-100 leaves Date palms undergo leaf pruning, primarily removing old or excess leaves, with an optimal range of 75-100 leaves left for productivity.
15. In Northern India, when is the suitable time for pruning grapes?
April-May
July-August
October
December-January
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Correct Answer: December-January Grape pruning in Northern India is typically done during the dormant season, which falls in December-January.
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