Which of the following is an example of Monothecous anther?

Monothecous anthers have a single lobe with two pollen chambers in it. They are also called bisporangiate as they have two pollen chambers. Example: Hibiscus rosa-sinensis, cotton, Cannaceae.

What is Monothecous anther?

Anther can be dithecous or monothecous. A monothecous anther consisting of two sporangia or two locules. – The anthers that include two lobes and four pollen sacs are dithecous or tetrasporangiate and the anther that has only one lobe and two pollen sacs are monothecous or bisporangiate.

What is Dithecous anther give example?

Hint: Dithecous anther is the anther that contains two anthers lobes which are connected to each other by a connective or a sterile band. Examples are angiosperms and crotalaria mustard, solanum. Microsporangia produces microspores.

What does Monothecous mean?

(ˌmɒnəʊˈθiːkəl) or monothecous (ˌmɒnəʊˈθiːkəs) adjective. botany. having a sole compartment or cell. a monothecal stamen/anther.

Is anther of hibiscus are Monothecous?

The presence of monothecous anther is the character of the Malvaceae family. Hibiscus rosa-sinensis commonly called china rose is a member of the Malvaceae family and thus, shows the presence of monothecous anther. So, the correct answer to the given question is option A, i.e., Hibiscus rosa-sinensis, Malvaceae.

Which anther is found in Malvaceae?

monothecous anthers
In the case of the plants belonging to the family Malvaceae, the anthers have a single theca therefore it has monothecous anthers.

Why anther is called Dithecous?

Due to the presence of two thecae in a lobe, then the anthers of angiosperms are called dithecous. Microsporangia is the structure that is mainly responsible for the production and releases of pollen grains. The thecae acts as the microsporangium.

Which flowers contain versatile anther?

Versatile anthers are common in wind pollinated plants such as grasses.

What is on the anther?

The anther produces pollen (male reproductive cells). The filament holds the anther up. During the process of fertilization, pollen lands on the stigma, a tube grows down the style and enters the ovary.

What is Isomerous flower?

Merosity (from the greek “méros,” which means “having parts”) refers to the number of component parts in a distinct whorl of a plant structure. If all of the whorls in a given floral arrangement have the same merosity, the flower is said to be isomerous, otherwise the flower is anisomerous.

Why anther is Tetrasporangiate?

The anther is four- sided i.e. it has four locules consisting of 4 microsporangia located in each locule which develops further and becomes the pollen sacs. Thus, the anther is tetrasporangiate because it’s four microsporangia.

Are there any special names for monothecous anthers?

To avoid this verification in future, please log in or register. The anther which contain only one lobe are called monothecous anther. monothecous anthers are bisporangiate (contain two pollen sacs) Is there any special name for the connective that connects 2 anther lobes in dithecous anther?

Which is an example of a dithecous anther?

Some examples of bilobed or dithecous anther containing flowers are Solanum and Crotalaria. Some flowers of the plants, however, only have one lobe or theca that produces pollen. Such ones are called monothecous anther. Examples of a monothecous anther are Hibiscus.

Where can I find an example of a simile?

Examples of similes can be found just about anywhere from poems to song lyrics and even in everyday conversations. Similes and metaphors are often confused with one another.

What is the difference between a metaphor and a simile?

Similes and metaphors are often confused with one another. The main difference between a simile and metaphor is that a simile uses the words “like” or “as” to draw a comparison and a metaphor simply states the comparison without using “like” or “as”. An example of a simile is: She is as innocent as an angel.