1.
The taxonomy of the blackberries has historically been confused because of?
Correct Answer
D. A n B only
Explanation
The taxonomy of blackberries has historically been confused because of hybridization and the genus. Hybridization occurs when different species of blackberries crossbreed, resulting in offspring with mixed characteristics, making it difficult to classify them accurately. Additionally, the genus of blackberries, which refers to the broader category they belong to, can also contribute to confusion in taxonomy. Therefore, both hybridization and the genus play a role in the historical confusion surrounding the taxonomy of blackberries.
2.
What distinguishes the blackberry from its raspberry relatives is?
Correct Answer
C. Fruit
Explanation
The blackberry is distinguished from its raspberry relatives by its fruit. While both blackberries and raspberries belong to the same family, the Rosaceae family, they have different fruits. Blackberries are known for their dark, juicy, and sweet fruits, while raspberries have lighter-colored, slightly tart fruits. This difference in fruit characteristics is what sets blackberries apart from their raspberry relatives.
3.
When one picks a blackberry fruit, the torus does stay with the?
Correct Answer
C. Fruit
Explanation
When one picks a blackberry fruit, the torus, which is the small green stem that connects the fruit to the plant, stays with the fruit. This is true for most fruits, including blackberries. Therefore, the correct answer is "Fruit."
4.
The term bramble, a word meaning any impenetrable?
Correct Answer
A. Thicket
Explanation
The term "bramble" refers to any impenetrable thicket, which is a dense growth of shrubs or small trees. A thicket is a tangled mass of vegetation that is difficult to pass through due to its dense and tangled nature. This aligns with the definition of bramble as a word that describes an impenetrable growth, making "thicket" the correct answer.
5.
Botanically, blackberry is termed an aggregate fruit, composed of small?
Correct Answer
C. Drupelets
Explanation
Blackberry is botanically termed an aggregate fruit because it is composed of multiple small fruits called drupelets. Each drupelet contains a seed and has a fleshy exterior. When the blackberry is fully formed, all the drupelets come together to form a single fruit. This is why blackberries have a unique texture and taste, with each drupelet contributing to the overall flavor.
6.
Blackberry is a widespread and well-known group of over?
Correct Answer
C. 375 species
Explanation
Blackberry is a widespread and well-known group of plants that belong to the genus Rubus. These plants are known for their edible fruits, which are commonly referred to as blackberries. The correct answer is 375 species because there are 375 known species of blackberry plants within the Rubus genus.
7.
In its first year, a new stem, the primocane grows vigorously to its full length of?
Correct Answer
B. 3-6 meter
Explanation
The primocane is a new stem that grows vigorously in its first year. The length of the primocane can range from 3 to 6 meters.
8.
The Blackberry is an edible fruit produced by many species in the genus?
Correct Answer
D. Rubus
Explanation
The Blackberry is an edible fruit produced by many species in the genus Rubus. Rubus is a genus of flowering plants in the rose family, Rosaceae. It includes several species of blackberries, raspberries, and other similar fruits. These fruits are known for their sweet and tart taste and are often used in desserts, jams, and other culinary applications. Rubus plants are typically thorny shrubs that produce aggregate fruits, meaning they are made up of multiple small drupelets fused together.
9.
Blackberries are perennial plants which typically bear biennially?
Correct Answer
C. Stems
Explanation
Blackberries are perennial plants, meaning they live for more than two years. They typically bear fruit biennially, which means they produce fruit every two years. This is because blackberry plants go through a two-year growth cycle. In the first year, they grow vegetatively, producing new stems and leaves. In the second year, these stems bear flowers and fruit. Therefore, the correct answer is "Stems."
10.
The flowers are produced in late spring and early summer on short?
Correct Answer
C. Racemes
Explanation
Racemes is the correct answer because racemes are a type of flower arrangement where the flowers are produced on short stalks along a central axis. This arrangement is commonly seen in plants during late spring and early summer. Span and term are not related to flower production, and "none of the above" is not a specific term or concept.