Commercial Flower Cultivation - II (Orchid, Jasmine, Crossandra, Anthurium, Dahalia, Tuberose, Gerbera)
Time Left --:--:--
Question No. 1 Marks +1 -0 Time
0:00
Which of the following orchid genera is known for its monopodial growth habit, producing a single, upright stem with leaves arranged alternately along it, and typically developing flower spikes from the leaf axils?
Question No. 2 Marks +1 -0 Time
0:00
The essential oil extracted from Jasmine flowers, highly prized in perfumery, is primarily obtained through which extraction method?
Question No. 3 Marks +1 -0 Time
0:00
What is the botanical name of Crossandra, a popular ornamental known for its fiery orange flowers and often used for garlands and floral arrangements?
Question No. 4 Marks +1 -0 Time
0:00
Which specific environmental condition is most crucial for the successful cultivation and flowering of Anthurium, often leading to poor bloom or leaf yellowing if not met?
Question No. 5 Marks +1 -0 Time
0:00
Dahlias are typically propagated commercially by which method to ensure genetic fidelity and vigor?
Question No. 6 Marks +1 -0 Time
0:00
The characteristic fragrance of Tuberose (Polianthes tuberosa) flowers is primarily attributed to which chemical compound?
Question No. 7 Marks +1 -0 Time
0:00
Which of the following is a common physiological disorder in Gerbera characterized by the browning of leaf tips and margins, often associated with calcium deficiency or environmental stress?
Question No. 8 Marks +1 -0 Time
0:00
Consider the following statements regarding the post-harvest handling of cut orchids:
Question No. 9 Marks +1 -0 Time
0:00
Match the following Jasmine species with their common uses:

Jasmine SpeciesCommon Use
I. Jasminum sambac1. Loose flowers, essential oil extraction
II. Jasminum grandiflorum2. Landscaping, hedging, less fragrant
III. Jasminum auriculatum3. Perfumery (finest quality concrete/absolute)

Which of the above pairs are correctly matched?
Question No. 10 Marks +1 -0 Time
0:00
Crossandra plants often show symptoms of interveinal chlorosis, particularly on younger leaves, and stunted growth. This deficiency is most commonly associated with a lack of which micronutrient in the soil?
Question No. 11 Marks +1 -0 Time
0:00
The spadix and spathe are characteristic floral structures of Anthurium. What is the primary function of the colorful spathe in Anthurium?
Question No. 12 Marks +1 -0 Time
0:00
Which cultivation practice is essential for Dahlias to encourage bushier growth and more flowers by removing the terminal bud?
Question No. 13 Marks +1 -0 Time
0:00
Tuberose (Polianthes tuberosa) is commercially propagated mainly through which of the following vegetative structures?
Question No. 14 Marks +1 -0 Time
0:00
In Gerbera cultivation, what is the optimal soil pH range generally recommended for healthy growth and nutrient availability?
Question No. 15 Marks +1 -0 Time
0:00
Match the following orchid types with their common characteristics:

Orchid TypeCharacteristic
I. Epiphytic orchids1. Grow on rocks or boulders
II. Terrestrial orchids2. Grow on other plants (trees) but are not parasitic
III. Lithophytic orchids3. Grow in soil

Which of the above pairs are correctly matched?
Question No. 16 Marks +1 -0 Time
0:00
Which of the following statements is TRUE regarding the pruning of Jasmine plants for commercial flower production?
Question No. 17 Marks +1 -0 Time
0:00
Crossandra flowers are predominantly harvested at which stage for garland making and loose flower sales?
Question No. 18 Marks +1 -0 Time
0:00
Which of the following is NOT a typical pest of Gerbera cultivation in greenhouses?
Question No. 19 Marks +1 -0 Time
0:00
Consider the following steps for planting Dahlia tubers:

1. Prepare the soil with organic matter and good drainage.
2. Dig a hole and place the tuber horizontally with the 'eye' facing upwards.
3. Cover the tuber with soil and water lightly.
4. Provide initial support with a stake.

Arrange these steps in the correct chronological order for optimal planting.
Question No. 20 Marks +1 -0 Time
0:00
Tuberose (Polianthes tuberosa) is particularly susceptible to a soil-borne fungal disease that causes yellowing and wilting of leaves, followed by the collapse of the entire plant. Which disease is this?
Question No. 21 Marks +1 -0 Time
0:00
Which growth regulator is commonly used in Dahlias to inhibit stem elongation and promote a more compact plant habit, particularly for potted plants or bedding displays?
Question No. 22 Marks +1 -0 Time
0:00
Consider the following statements regarding the cultivation of Anthurium in tropical regions:

I. Anthuriums prefer direct, intense sunlight for optimal flowering.
II. A well-draining, coarse growing medium rich in organic matter is ideal for Anthurium.
III. High humidity around 70-80% is beneficial for Anthurium growth.

Which of the statements given above are correct?
Question No. 23 Marks +1 -0 Time
0:00
Which of the following methods is LEAST likely to be used for the commercial propagation of orchids?
Question No. 24 Marks +1 -0 Time
0:00
Jasmine flower production is often affected by the incidence of 'Blister mite' or 'Eriophyid mite' (Eriophyes jasmini). What are the characteristic symptoms caused by this pest on Jasmine leaves?
Question No. 25 Marks +1 -0 Time
0:00
What is the recommended harvesting stage for Gerbera flowers intended for long-distance transport and vase life?
Question No. 26 Marks +1 -0 Time
0:00
Crossandra infundibuliformis is generally considered a short-day plant, a long-day plant, or day-neutral in terms of flowering response?
Question No. 27 Marks +1 -0 Time
0:00
Which of the following is a key management practice to ensure continuous flowering in Gerbera plants over an extended period?
Question No. 28 Marks +1 -0 Time
0:00
The primary method of commercial propagation for Gerbera is:
Question No. 29 Marks +1 -0 Time
0:00
Match the following commercial flowers with their botanical families:

FlowerFamily
I. Anthurium1. Araceae
II. Tuberose2. Asparagaceae
III. Gerbera3. Asteraceae
IV. Crossandra4. Acanthaceae

How many pairs are correctly matched?

📋 Submit Test?

0
Answered
0
Skipped
29
Total

You cannot change answers after submission.