1.
Which of the following is a large species of magnolia tree?
Correct Answer
A. Magnolia Grandiflora
Explanation
Magnolia Grandiflora is a large species of magnolia tree. This species is known for its large, fragrant flowers and glossy, evergreen leaves. It is native to the southeastern United States and can grow up to 80 feet tall. Magnolia Ruciflora, Magnolia Sandiflora, and Magnolia Carniflora are not recognized species of magnolia trees.
2.
Which of the following is a variety of the herb basil?
Correct Answer
A. Sweet Basil
Explanation
Sweet Basil is a variety of the herb basil. It is commonly used in cooking and has a sweet and slightly spicy flavor. It is one of the most popular varieties of basil and is often used in Italian cuisine, particularly in dishes such as pesto. Sweet Basil is known for its aromatic leaves and is also used for its medicinal properties, such as its ability to reduce inflammation and improve digestion.
3.
Which of these terms best describes a collection of trees?
Correct Answer
A. Arboretum
Explanation
An arboretum is a place where a collection of trees, shrubs, and other woody plants are cultivated for scientific, educational, and ornamental purposes. It is a term commonly used to describe a designated area or garden that focuses on the preservation and study of various tree species. Therefore, "arboretum" is the best term to describe a collection of trees.
4.
The digitalis plant is more commonly known by what name?
Correct Answer
C. Foxglove
Explanation
The correct answer is Foxglove. Foxglove is the more commonly known name for the digitalis plant. It is a flowering plant that is known for its bell-shaped flowers and is often found in gardens. The term "foxglove" is derived from the Old English words "foxes" and "glofa" which means "glove of the fox." This name is believed to have originated from the idea that foxes would wear the flowers as gloves to sneak up on their prey.
5.
Brunfelsia flowers are also known by which name?
Correct Answer
A. Yesterday, Today & Tomorrow
Explanation
Brunfelsia flowers are also known as "Yesterday, Today & Tomorrow" because their flowers change color over time. The blooms start off purple or blue on the first day (yesterday), then fade to lavender or white on the second day (today), and finally turn pale or brown on the third day (tomorrow). This unique color-changing characteristic gives the flowers their distinctive name.
6.
Which of the following plants is a source of fragrant essential oil?
Correct Answer
A. Ylang-Ylang
Explanation
Ylang-Ylang is a plant that is known for its fragrant essential oil. The oil is extracted from the flowers of the plant and is commonly used in perfumes and aromatherapy. It has a sweet, floral scent that is often described as exotic and calming. Ylang-Ylang essential oil is highly valued for its therapeutic properties and is believed to have a variety of benefits, including reducing stress and anxiety, promoting relaxation, and improving mood. Therefore, Ylang-Ylang is the correct answer as it is a plant that is a source of fragrant essential oil.
7.
Cornflower blooms are usually which color?
Correct Answer
A. Blue
Explanation
Cornflower blooms are usually blue because the cornflower plant, also known as Centaurea cyanus, typically produces flowers in shades of blue. These flowers are known for their vibrant blue color and are commonly used in gardens and floral arrangements. Blue is the most common color associated with cornflowers, making it the correct answer.
8.
Which of these is an ornamental species of conifer?
Correct Answer
B. Monkey Puzzle
Explanation
Monkey Puzzle is an ornamental species of conifer. This tree is known for its unique and striking appearance, with sharp, spiky leaves and a tall, columnar shape. It is often planted in gardens and parks for its decorative value. The other options, Venus Fly Trap, Monkey Business, and Tiger Paw, are not conifer species and are not known for their ornamental qualities.
9.
Which of these terms describes the uppermost level of a mature forest?
Correct Answer
C. Canopy
Explanation
The term "canopy" refers to the uppermost layer of a mature forest. It is composed of the branches, leaves, and crowns of the tallest trees, forming a dense covering that shades the forest floor below. The canopy plays a crucial role in regulating light, temperature, and moisture levels within the forest ecosystem. It provides habitat for a variety of plant and animal species, and also helps to protect the forest floor from excessive sunlight and rainfall.
10.
The extract from which of these plants is used medicinally?
Correct Answer
C. Witch-Hazel
Explanation
Witch-Hazel is the correct answer because its extract is commonly used medicinally. Witch-Hazel extract is known for its astringent properties and is used in various skincare products, including toners and creams. It is also used to treat minor skin irritations, such as insect bites and burns. Additionally, Witch-Hazel extract has anti-inflammatory properties and can help reduce swelling and inflammation. Therefore, Witch-Hazel is a plant whose extract is widely recognized for its medicinal uses.
11.
Which species of laurel tree exudes a substance mainly used for medicinal purposes?
Correct Answer
A. CampHor Laurel
Explanation
Camphor Laurel is the correct answer because it is known for exuding a substance that is mainly used for medicinal purposes. Camphor, which is derived from the bark of the Camphor Laurel tree, has various medicinal properties and is commonly used in traditional medicine for its analgesic, antiseptic, and anti-inflammatory effects. It is often used topically to relieve pain, itching, and inflammation, and is also used in cough suppressants and decongestants. Therefore, Camphor Laurel is the species of laurel tree that exudes a substance mainly used for medicinal purposes.
12.
Apart from yellow, what is the most common color of the frangipani flower?
Correct Answer
C. Pink
Explanation
Pink is the most common color of the frangipani flower apart from yellow. Frangipani flowers are known for their vibrant and diverse colors, but pink is often seen as the second most prevalent color after yellow. Pink frangipani flowers are widely cultivated and admired for their delicate and attractive appearance.
13.
Bay leaves, commonly used in cooking, are sourced from which plant?
Correct Answer
D. Bay Laurel
Explanation
Bay leaves, commonly used in cooking, are sourced from the Bay Laurel plant. This plant is known for its aromatic leaves, which are often dried and used as a spice in various cuisines. Bay Laurel is a small evergreen tree native to the Mediterranean region. Its leaves have a strong, herbal flavor and are typically added to soups, stews, and sauces to enhance the taste. Therefore, Bay Laurel is the correct answer for the plant from which bay leaves are sourced.
14.
The tangelo is a hybrid of a mandarin and which other fruit?
Correct Answer
A. Grapefruit
Explanation
The tangelo is a hybrid of a mandarin and grapefruit. This means that it possesses characteristics of both fruits, combining the sweet and tangy flavors of the mandarin with the slightly bitter taste of the grapefruit. The tangelo is known for its juicy and refreshing qualities, making it a popular choice among citrus fruit lovers.
15.
What is the dried fruit of the piper nigrum plant called?
Correct Answer
C. Peppercorn
Explanation
Peppercorn is the correct answer because it is the dried fruit of the piper nigrum plant. Piper nigrum is a flowering vine in the family Piperaceae, and its fruits are harvested and dried to produce peppercorns. Clove is the dried flower bud of the Syzygium aromaticum tree, Vanilla Bean is the seed pod of the Vanilla planifolia orchid, and Cardamom Pod is the fruit of the Elettaria cardamomum plant.