Question

Basifixed anther is attached to the filament
A. At top firmly
B. At base firmly
C. Both A and B
D. All of the above

Answer 1

Hint: The stamen (plural endurance or stamens) is the dust creating conceptive organ of a bloom. All things considered, the stamens structure the androecium. A stamen ordinarily comprises a tail called the fibre and an anther which contains microsporangia. Most usually anthers are two-lobed and are joined to the fibre either at the base or in the centre region of the anther.

Complete answer: The sterile tissue between the projections is known as the connective, an expansion of the fibre containing directing strands. It very well may be viewed as an augmentation on the dorsal side of the anther. The fibres might be combined and the anthers free, or the fibres free and the anthers intertwined. The stamens in a blossom are all things considered called the androecium. The androecium can comprise as not many as one-half stamen (for example a solitary locule) as in Canna species. Anther shapes are differently portrayed by terms, for example, direct, adjusted, sagittate, twisted, or reniform. The anther can be appended to the fibre's connective in the following ways:
-Basifixed: It connected at its base to the fibre.
-Pseudo basifixed: It forms some degree of misnomer setup where connective tissue reaches out in a cylinder around the fibre tip.
-Dorsifixed: Appended at its middle to the fibre, typically flexible (ready to move).
The spores may stay connected to one another in a quadruplicate or separate after meiosis. Every microspore at that point partitions mitotically to shape a microgametophyte called a dust grain.
Hence, the correct answer is option B.

Note: Anther is a structure present usually on the upper part of the flower which is yellow in colour, it contains males gametes known as pollen grains and the full structure is known as the stamen. There are usually two pollen grains in one sac of anther. Every microsporangium is fixed with a nutritive tissue layer called the tapetum and at first, contains diploid dust mother cells. These go through meiosis to shape haploid spores.