MPBSE-CLASS-XII-BOARD SERIES Agriculture
Horticulture
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
6
2026 Chapter Questions 6 MCQs
01
PYQ 2026
medium
agriculture ID: mpbse-cl
Name one important avenue tree.
Official Solution
Correct Option: (1)
An avenue tree is a tree planted along roadsides, streets, or pathways to provide shade, enhance beauty, and improve the environment. These trees are selected for their tall stature, dense canopy, and ability to withstand pollution and harsh roadside conditions.
Answer: One important avenue tree is the Neem Tree (\textit{Azadirachta indica}).
About Neem Tree:
Answer: One important avenue tree is the Neem Tree (\textit{Azadirachta indica}).
About Neem Tree:
- Scientific Name: \textit{Azadirachta indica}
- Family: Meliaceae
- Native Region: Indian subcontinent
- Characteristics:
- Large, fast-growing evergreen tree with a dense, spreading crown.
- Provides excellent, cool shade throughout the year.
- Highly resistant to drought, pollution, and pests.
- Has medicinal properties; every part of the tree (leaves, bark, seeds, oil) is used in traditional medicine.
- Acts as a natural air purifier by absorbing pollutants.
- Common Locations: Widely planted along roadsides, highways, and in public parks across India and other tropical regions.
- Dense Shade: Its thick foliage provides excellent shade for pedestrians and vehicles.
- Low Maintenance: Requires minimal care and thrives in various soil and climatic conditions.
- Environmental Benefits: Absorbs carbon dioxide, releases oxygen, and filters airborne pollutants.
- Medicinal Value: Offers additional health and economic benefits to local communities.
- Cultural Significance: Revered in Indian tradition and often planted near temples and public spaces.
- Ashoka Tree (\textit{Saraca asoca}) β Ornamental, with beautiful flowers.
- Gulmohar (\textit{Delonix regia}) β Known for vibrant red-orange flowers.
- Banyan Tree (\textit{Ficus benghalensis}) β Massive canopy, provides extensive shade.
- Peepal Tree (\textit{Ficus religiosa}) β Sacred tree with heart-shaped leaves.
- Amaltas (\textit{Cassia fistula}) β Beautiful yellow flowers in summer.
- Rain Tree (\textit{Albizia saman}) β Broad umbrella-like canopy.
02
PYQ 2026
medium
agriculture ID: mpbse-cl
Name one important avenue tree.
Official Solution
Correct Option: (1)
An avenue tree is a tree planted along roadsides, streets, avenues, or pathways for ornamental, shade-providing, and aesthetic purposes. These trees are chosen for their tall stature, dense canopy, fast growth, and ability to withstand pollution and harsh roadside conditions.
Answer: One important avenue tree is the Neem Tree (\textit{Azadirachta indica}).
Alternative Important Avenue Trees: While Neem is a prominent example, several other trees are also commonly planted as avenue trees. Below are some important ones with their characteristics:
1. Neem Tree (\textit{Azadirachta indica}):
Answer: One important avenue tree is the Neem Tree (\textit{Azadirachta indica}).
Alternative Important Avenue Trees: While Neem is a prominent example, several other trees are also commonly planted as avenue trees. Below are some important ones with their characteristics:
1. Neem Tree (\textit{Azadirachta indica}):
- Description: A large, fast-growing evergreen tree with a dense, spreading crown.
- Features: Provides excellent shade, has medicinal properties, and is highly drought-resistant.
- Common Locations: Widely planted along roadsides in India and other tropical regions.
- Benefits: Air purification, medicinal uses (leaves, bark, oil), and tolerance to pollution.
- Description: A beautiful, evergreen tree with dark green foliage and fragrant, bright orange-red flowers.
- Features: Known for its ornamental value and cultural significance in India.
- Common Locations: Planted along avenues, in gardens, and near temples.
- Benefits: Aesthetic appeal, shade, and medicinal properties.
- Description: A stunning deciduous tree known for its vibrant red-orange flowers that bloom in summer.
- Features: Provides dappled shade and spectacular floral display.
- Common Locations: Widely planted along avenues in tropical and subtropical regions.
- Benefits: Ornamental beauty, shade, and soil improvement.
- Description: A massive, long-lived tree with aerial roots that grow into new trunks.
- Features: Provides extensive shade and is considered sacred in India.
- Common Locations: Planted in large open spaces, along wide avenues, and near villages.
- Benefits: Immense shade, cultural significance, and habitat for wildlife.
- Description: A large, fast-growing deciduous tree with heart-shaped leaves.
- Features: Sacred in Hinduism and Buddhism; known for oxygen release even at night.
- Common Locations: Planted along roadsides, near temples, and in public spaces.
- Benefits: Shade, religious significance, and air purification.
- Description: A medium-sized tree with beautiful hanging clusters of bright yellow flowers.
- Features: Also known as the Indian Laburnum; flowers in summer, creating a spectacular display.
- Common Locations: Planted along avenues and in gardens for ornamental purposes.
- Benefits: Ornamental value, medicinal uses, and shade.
- Description: A beautiful tree with fern-like leaves and clusters of purple-blue flowers.
- Features: Provides stunning floral beauty and light shade.
- Common Locations: Planted along avenues in temperate and subtropical regions.
- Benefits: Ornamental value and aesthetic appeal.
- Description: A large, spreading tree with a broad umbrella-like canopy.
- Features: Provides dense shade; leaves fold during rainy weather.
- Common Locations: Widely planted along roadsides and in parks in tropical regions.
- Benefits: Excellent shade, nitrogen fixation (improves soil fertility).
- Tall and Straight Trunk: Allows unobstructed movement of vehicles and pedestrians.
- Dense Canopy: Provides ample shade and reduces heat.
- Fast Growing: Establishes quickly and provides benefits sooner.
- Hardiness: Tolerant to pollution, drought, and roadside stressors.
- Non-Invasive Roots: Roots should not damage roads, pavements, or underground utilities.
- Aesthetic Appeal: Attractive foliage, flowers, or form enhances the beauty of the avenue.
- Low Maintenance: Requires minimal pruning and care.
03
PYQ 2026
medium
agriculture ID: mpbse-cl
By what name is the seed of mushroom called ?
Official Solution
Correct Option: (1)
The seed of a mushroom is not called a seed in the botanical sense because mushrooms are fungi, not plants. Fungi do not produce seeds like flowering plants. Instead, mushrooms reproduce through microscopic structures called spores.
Answer: The seed of a mushroom is called a spore.
Detailed Explanation:
Answer: The seed of a mushroom is called a spore.
Detailed Explanation:
- What are Spores? Spores are tiny, usually single-celled reproductive units produced by mushrooms and other fungi. They are analogous to seeds in plants but differ in structure and formation. Spores are produced in specialized structures of the mushroom, typically on the gills (lamellae) located under the cap.
- Function: Spores are dispersed by wind, water, insects, or other means. When a spore lands in a suitable environment with adequate moisture, temperature, and nutrients, it germinates and grows into a network of thread-like structures called mycelium. The mycelium then develops into a new mushroom under favorable conditions.
- Appearance: Spores are extremely small and cannot be seen individually without a microscope. However, they are often produced in such large quantities that they appear as a fine powder. The color of this spore print (white, brown, black, purple, etc.) is an important characteristic used to identify different mushroom species.
- Comparison with Seeds:
- Seeds contain an embryo (a young plant) along with stored food, while spores are single cells that do not contain a pre-formed embryo.
- Seeds are produced by plants through sexual reproduction, while spores can be produced sexually or asexually depending on the fungus.
- Spores are generally more resistant to harsh environmental conditions than seeds and can remain dormant for long periods until conditions are favorable for germination.
- Mushroom Cultivation: In mushroom cultivation, what growers often refer to as "mushroom seed" is technically called spawn. Spawn is a substrate (such as grains, sawdust, or straw) that has been inoculated with mushroom mycelium grown from spores. It serves as the planting material for cultivating mushrooms commercially.
- Spore: The microscopic reproductive unit of fungi (analogous to seed).
- Mycelium: The vegetative part of the fungus, consisting of a network of fine white filaments (hyphae).
- Spawn: The mycelium grown on a carrier material (like grains), used as "seed" for mushroom cultivation.
- Fruiting Body: The visible, spore-producing structure we commonly call a mushroom.
04
PYQ 2026
medium
agriculture ID: mpbse-cl
Write a note on packing of nursery plants in nurseries.
Official Solution
Correct Option: (1)
Packing of Nursery Plants
Packing of nursery plants is a critical operation in the nursery industry. It involves preparing plants for safe transportation from the nursery to the planting site, retail outlet, or final customer. Proper packing ensures that plants reach their destination in a healthy, vigorous, and undamaged condition. It plays an important role in customer satisfaction, plant survival, and the economic success of nursery operations.
Objectives of Packing Nursery Plants
- To protect plants from physical damage during handling and transportation.
- To prevent desiccation (drying out) of roots and foliage.
- To maintain physiological health and vigor.
- To comply with quarantine and transportation regulations.
- To facilitate easy handling, loading, and unloading.
- To improve visual appeal and marketability.
- To provide proper labels and care instructions to buyers.
Factors to Consider Before Packing
- Type of Plant: Deciduous, evergreen, herbaceous, woody, etc.
- Size and Age: Seedlings, saplings, or mature plants.
- Root System: Bare-root, potted, or balled-and-burlapped.
- Duration of Transit: Short-distance or long-distance shipping.
- Mode of Transport: Road, rail, air, or sea.
- Season and Weather: Temperature, humidity, rainfall conditions.
- Destination Regulations: Quarantine rules and permits.
Types of Nursery Plant Packing
1. Packing of Bare-Root Plants
Bare-root plants are dug during dormancy and soil is removed from the roots. Preparation:
- Prune damaged or excessively long roots.
- Grade plants according to size and quality.
- Dip roots in clay slurry or hydrogels to retain moisture.
Packing Materials:
- Moist sphagnum moss, sawdust, straw, or wood shavings.
- Polythene sheets or bags.
- Hessian (burlap) sacks or gunny bags.
- Twine or straps.
Packing Process:
- Wrap roots in moist material.
- Cover with polythene to prevent moisture loss.
- Bundle plants together with aligned roots.
- Wrap bundles in hessian cloth and tie securely.
- Attach labels with plant details.
2. Packing of Potted (Container-Grown) Plants
These plants retain their growing medium and root system. Preparation:
- Water plants a few hours before packing.
- Remove dead or diseased leaves.
- Inspect for pests and diseases.
Packing Materials:
- Corrugated cardboard boxes with partitions.
- Cushioning materials such as shredded paper or bubble wrap.
- Adhesive tape and labels.
Packing Process:
- Place pots securely inside partitioned boxes.
- Fill empty spaces with cushioning material.
- Provide support stakes for tall plants.
- Seal and label boxes properly.
- Provide ventilation holes if required.
3. Packing of Balled-and-Burlapped (B&B) Plants
These are field-grown plants dug with an intact soil ball. Preparation:
- Wrap the soil ball in burlap.
- Secure with twine or wire netting.
- Moisten the soil ball before packing.
Packing Process:
- Place plants on pallets with soil balls facing inward.
- Insert straw or hay between balls to prevent rolling.
- Secure with straps during transit.
4. Packing of Tissue Culture Plants
These delicate plants require special care.
- Keep plants in sterile culture containers.
- Pack tubes in thermocol boxes with cushioning.
- Use temperature-controlled packaging if needed.
5. Packing of Cut Flowers and Foliage
- Place stems in moist cotton or water picks.
- Wrap bunches in soft paper or polythene.
- Pack in ventilated boxes.
- Transport at cool temperatures (approximately ).
Essential Packing Materials
- Root Protection: Polythene sheets, moss, sawdust, coir, hydrogels.
- Cushioning: Bubble wrap, shredded paper, foam, straw.
- Outer Covering: Cardboard boxes, hessian sacks, wooden crates.
- Securing Materials: Twine, ropes, straps, tape.
- Labeling Materials: Waterproof tags, markers, printed stickers.
Labeling and Documentation Each package should clearly mention:
- Plant name (botanical and common).
- Variety or cultivar name.
- Grade and size.
- Quantity and packing date.
- Nursery details and contact information.
- Destination address.
- Handling instructions such as βLive Plantsβ, βFragileβ, βThis Side Upβ, βDo Not Stackβ.
- Phytosanitary certificate (for international transport).
Precautions in Packing
- Moisture Management: Keep roots moist but avoid waterlogging.
- Temperature Control: Protect from extreme heat or cold.
- Ventilation: Ensure proper air circulation.
- Physical Protection: Prevent breakage using cushioning.
- Pest Check: Pack only healthy and disease-free plants.
- Timing: Pack close to dispatch time.
- Stacking: Avoid placing heavy loads over plant packages.
Transportation Considerations
- Use ventilated or refrigerated vehicles for long distances.
- Minimize transit time.
- Ensure careful loading and unloading.
- Protect plants from sun, wind, and rain.
Summary Table
| Plant Type | Packing Method | Key Materials |
|---|---|---|
| Bare-Root Plants | Roots wrapped in moist medium and bundled | Moss, sawdust, polythene, hessian |
| Potted Plants | Placed in partitioned boxes with cushioning | Cardboard boxes, bubble wrap, labels |
| Balled-and-Burlapped | Soil ball wrapped and secured | Burlap, twine, straw, straps |
| Tissue Culture Plants | Packed in sterile containers | Culture tubes, thermocol boxes |
Conclusion
Packing of nursery plants is a skilled and essential operation that directly influences plant survival and customer satisfaction. Proper packing protects plants from damage, moisture loss, and temperature stress. Careful selection of materials, correct labeling, and adherence to regulations ensure that plants arrive healthy and ready for planting. Effective packing ultimately strengthens the reputation and success of the nursery industry.
05
PYQ 2026
medium
agriculture ID: mpbse-cl
Discuss the importance of cut flowers.
Official Solution
Correct Option: (1)
Importance of Cut Flowers
Cut flowers are flowers cut from the plant and used for decoration and gifting.
1. Aesthetic Importance:
- Enhance beauty of homes and offices.
- Add color and fragrance.
- Used in floral arrangements and decorations.
2. Cultural Importance:
- Used in weddings, festivals, and religious ceremonies.
- Express emotions like love, sympathy, and gratitude.
3. Economic Importance:
- Major part of the floriculture industry.
- Provides employment and export income.
4. Psychological Importance:
- Improve mood and reduce stress.
- Enhance workplace productivity.
5. Social Importance:
- Popular gift item.
- Strengthen relationships.
Conclusion:
Cut flowers are important for decoration, emotional expression, economic development, and social interactions.
06
PYQ 2026
medium
agriculture ID: mpbse-cl
Discuss two important preserved flower products.
Official Solution
Correct Option: (1)
Two Preserved Flower Products
1. Dried Flowers
Dried flowers are prepared by removing moisture from fresh flowers to prevent decay.
Methods:
- Air drying
- Silica gel drying
- Press drying
- Freeze drying
- Glycerin preservation
Uses:
- Home decoration
- Wreaths and bouquets
- Crafts and greeting cards
- Wedding decorations
Advantages:
- Long shelf life
- No maintenance required
2. Pressed Flowers
Pressed flowers are flattened and dried under pressure to create two-dimensional specimens.
Uses:
- Framed art
- Greeting cards
- Jewelry (resin work)
- Scrapbooking
Conclusion:
Dried flowers retain three-dimensional shape, while pressed flowers are flat and mainly used in crafts and artistic applications.