Department of Plant Science Course: Landscape and Garden Management Mid Exam I – 2025/26, Semester I Total Marks: 30 Duration: 60 Minutes
• Answer all questions.
• Choose the best answer for each question.
• Each question carries 1 mark.
1. Which of the following practices is essential before establishing a garden or landscape?
Answer: B 2. The main purpose of mulching in landscaping is to:
Answer: B 3. Pruning is carried out in ornamental plants primarily to:
Answer: B 4. Which of the following irrigation methods is most suitable for home gardens and lawns?
Answer: B 5. Organic manure is preferred in landscaping because it:
Answer: B 6. Proper plant spacing in a garden helps to:
Answer: C 7. Weed management in landscaping is best achieved through:
Answer: A 8. Soil erosion control in gardens can be achieved by:
Answer: B 9. Fertilizer application in garden plants should be based on:
Answer: C 10. To maintain a healthy lawn, mowing should be done:
Answer: B
12. Which agronomic practice involves supplying water to plants according to their needs?
Answer: B 13. The process of removing unwanted plants that compete with main crops is called:
Answer: B 14. The practice of adding nutrients to soil to enhance plant growth is known as:
Answer: B 15. The regular cutting of grass in lawns to a uniform height is called:
Answer: B 16. Keeping appropriate distance between plants in a garden helps to:
Answer: B 17. Which of the following helps determine soil nutrient status before garden establishment?
Answer: A 18. The process of decomposing organic waste to improve soil fertility is called:
Answer: A 19. The practice of arranging and designing plants for beauty and function is known as:
Answer: A
20. The main purpose of soil testing before establishing a garden is to:
Answer: B 21. Selecting the right fertilizer type for a garden is primarily based on:
Answer: B 22. Organic fertilizers are preferred in landscaping because they:
Answer: B 23. Inorganic fertilizers should be applied carefully because:
Answer: B 24. The right planting material (seed or seedling) for landscaping should be:
Answer: B 25. pH testing kits are used in garden management to measure:
Answer: B 26. The best irrigation water quality for garden plants should be:
Answer: C 27. Using the right pesticide in a garden means selecting:
Answer: B 28. Applying fertilizers at the right time helps to:
Answer: B 29. Using certified seeds or seedlings in garden establishment ensures:
Answer: B 🌿 Plants for Landscaping and Food – Multiple Choice Questions30. Which of the following plants is commonly used as both an ornamental tree and a fruit tree?
A. Mango (Mangifera indica)
B. Eucalyptus (Eucalyptus globulus)
C. Acacia (Acacia abyssinica)
D. Grevillea (Grevillea robusta)
✅ Answer: A. Mango (Mangifera indica)
31. The plant Rosmarinus officinalis (rosemary) is often grown in home gardens mainly because it:
A. Improves soil fertility
B. Has attractive flowers and aromatic leaves used in cooking
C. Produces edible fruits
D. Is used as a shade tree
✅ Answer: B. Has attractive flowers and aromatic leaves used in cooking
32. Which of the following fruit-bearing plants is also valued for its decorative flowers?
A. Tomato (Solanum lycopersicum)
B. Pomegranate (Punica granatum)
C. Maize (Zea mays)
D. Potato (Solanum tuberosum)
✅ Answer: B. Pomegranate (Punica granatum)
33. The banana plant is often planted in home gardens for:
A. Its aesthetic leaves and edible fruits
B. Its ability to fix nitrogen
C. Its medicinal bark
D. Its colorful flowers only
✅ Answer: A. Its aesthetic leaves and edible fruits
34. Which of the following herbs is commonly used as a ground cover and also as a culinary plant?
A. Thyme (Thymus vulgaris)
B. Cabbage (Brassica oleracea)
C. Sorghum (Sorghum bicolor)
D. Wheat (Triticum aestivum)
✅ Answer: A. Thyme (Thymus vulgaris)
35. The olive tree (Olea europaea) is an example of a plant used for:
A. Timber and shade
B. Ornament and edible oil production
C. Fiber and fodder
D. Firewood and nitrogen fixation
✅ Answer: B. Ornament and edible oil production
36. Which of the following plants produces edible nuts and also provides beautiful shade for landscaping?
A. Cashew (Anacardium occidentale)
B. Coffee (Coffea arabica)
C. Millet (Pennisetum glaucum)
D. Wheat (Triticum aestivum)
✅ Answer: A. Cashew (Anacardium occidentale)
37.Citrus sinensis (orange) trees are popular in landscaping mainly because they:
A. Produce ornamental flowers and edible fruits
B. Grow quickly and provide timber
C. Require no pruning or care
D. Are annual plants
✅ Answer: A. Produce ornamental flowers and edible fruits
38. Which of the following shrubs can be used for decorative hedges and also yields edible berries?
A. Blackberry (Rubus fruticosus)
B. Tephrosia (Tephrosia vogelii)
C. Croton (Croton macrostachyus)
D. Leucaena (Leucaena leucocephala)
✅ Answer: A. Blackberry (Rubus fruticosus)
39. The plant Allium schoenoprasum (chives) is used in landscaping mainly for:
A. Soil stabilization
B. Its attractive purple flowers and edible leaves
C. Timber production
D. Fodder for animals
✅ Answer: B. Its attractive purple flowers and edible leaves 40. The process of removing some plants in a highly dense plants is called: A. Thinning B. Weeding C. Grafting D. Tillage Answer: A Perfect 👍 — here’s a revised version of those 10 assumption-based questions converted into multiple-choice questions (MCQs) for a Plant Science professional working as a gardener. Each question tests practical reasoning, plant science knowledge, and decision-making, all highly suitable for use in interviews, assessments, or TV-based professional quizzes.
🌿 Multiple-Choice Questions (MCQs): Plant Science for Gardeners1. Yellowing Leaves You notice that several ornamental plants in the garden have yellowing leaves. What is the most likely assumption you should make first?
A. The plants need pruning immediately
B. The plants may be suffering from nutrient deficiency or overwatering
C. The soil is too rich in organic matter
D. The sunlight intensity is too low for all species
✅ Correct answer: B
2. Uneven Lawn Dryness A newly planted lawn shows dry patches while some areas remain green. What is the best assumption before taking action?
A. The grass variety is mixed incorrectly
B. The area receives uneven irrigation or has different soil texture
C. The grass was planted too deep
D. The seeds were expired
✅ Correct answer: B
3. Rose Leaves with Black Spots Roses in your garden develop black spots and lose leaves. What is your first logical assumption?
A. The roses are lacking sunlight
B. The soil is too acidic
C. The plants are infected by a fungal disease such as black spot
D. The pruning was done incorrectly
✅ Correct answer: C
4. Plant Selection for Sunny, Dry Area You are asked to plant shade-providing species in a dry, sunny area. What should you assume first?
A. Only flowering annuals will grow there
B. The site requires drought- and heat-tolerant trees or shrubs
C. Shade plants with high water needs can survive with mulch
D. The soil type doesn’t affect plant selection
✅ Correct answer: B
5. Slow Plant Growth Some ornamental plants are growing very slowly. Before applying fertilizer, what is your main assumption?
A. The soil might already have enough nutrients
B. The plants are infected by viruses
C. Fertilizer can fix any growth problem
D. Fertilizer should always be applied monthly
✅ Correct answer: A
6. Garden Design Complaint A visitor complains the garden looks dull and lacks color harmony. What is the best assumption about the cause?
A. Seasonal flowers were not planned for continuous bloom
B. The garden soil is infertile
C. The irrigation schedule is too short
D. The plant spacing is too close
✅ Correct answer: A
7. Early Leaf Shedding in Trees Trees in the compound are shedding leaves earlier than normal. What should you assume first?
A. The trees are naturally deciduous
B. There may be drought or water stress affecting the trees
C. The roots are growing too deeply
D. It is a sign of overfertilization
✅ Correct answer: B
8. Pesticide Use Suggestion A coworker wants to spray a strong pesticide immediately after seeing insects. What should you assume?
A. The insects are beneficial and shouldn’t be removed
B. Pesticide use might not be necessary before identifying the pest
C. Spraying more pesticide ensures better control
D. All garden insects are harmful
✅ Correct answer: B
9. Watering Schedule Conflict Your teammates do not follow the watering schedule correctly. What assumption would help you handle this situation?
A. They are not interested in gardening
B. There may be poor communication or unclear task division
C. The plants do not need watering
D. The weather is responsible for their inconsistency
✅ Correct answer: B
10. Educating Garden Visitors Visitors often ask about your plants. What assumption helps you engage them effectively?
A. They are mainly interested in free seedlings
B. They are curious and can benefit from basic plant education
C. They do not understand plant science
D. They only want entertainment
✅ Correct answer: B Excellent 🌿 — here are five multiple-choice questions (MCQs) focused on selecting plants adapted to weather and climatic conditions in garden or landscape management.
Each question checks practical knowledge of how temperature, rainfall, sunlight, and wind affect plant choice.
When selecting plants for an area with low rainfall and high temperature, which type of plants are most suitable?
A. Plants with large, soft leaves that lose water easily
B. Plants with thick, waxy leaves or deep roots
C. Shade-loving plants that need constant moisture
D. Fast-growing annuals with shallow roots
✅ Correct answer:B
A gardener is planning to plant shrubs in a highland area with frequent frost. What is the best practice?
A. Choose tropical ornamental species
B. Select plants with good cold tolerance, such as conifers or evergreens
C. Apply more fertilizer to protect against cold
D. Water heavily during frost nights
✅ Correct answer:B
In an open and windy garden site, what should be considered first when selecting plants?
A. Choose plants with flexible stems and strong roots
B. Select only tall, thin-stemmed trees
C. Avoid shrubs and ground covers
D. Prefer plants with large leaves
✅ Correct answer:A
A certain section of the garden receives full sunlight throughout the day. Which plant group is most appropriate?
A. Shade-loving ferns and mosses
B. Sun-loving flowering plants like marigold or bougainvillea
C. Moisture-loving undergrowth species
D. Woodland herbs
✅ Correct answer:B
In an area with distinct wet and dry seasons, what type of plants are most suitable for long-term garden design?
A. Plants that can survive both drought and heavy rain periods
B. Plants that only grow during the rainy season
C. Plants that require daily irrigation year-round
D. Imported tropical plants from humid regions
✅ Correct answer:A