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Chapter 5: Problem 70

Stamen consists of (a) Stalk or filament (b) Stigma (c) Anther (d) Both (a) and (c)

Short Answer

Expert verified
The correct answer is option (d): Both (a) and (c).

Step by step solution

01

Identify the Components of Stamen

The stamen is the male fertilizing organ of a flower. The key elements of the stamen are the anther and the filament. The filament supports the anther, which produces and releases the pollen.
02

Match the Components with the Provided Options

In the options provided:\n(a) Stalk or filament - This is the supportive structure of the stamen.\n(b) Stigma - This is not part of the stamen, but of the pistil - the female organ of a flower.\n(c) Anther - This is the pollen producing part of the stamen.\n(d) Both (a) and (c) - This includes both the key components of stamen, namely, filament and anther.
03

Select the Right Answer

From step 2, it is clear that the stamen consists of both the filament (a) and the anther (c). Therefore, option (d), which includes both (a) and (c), is the correct answer.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Flower Anatomy
Flowers are intricate structures, primarily designed for reproduction in flowering plants. Each part of a flower, like the petals, sepals, pistils, and stamens, serves a specific role. Understanding flower anatomy helps us appreciate how flowers thrive and reproduce.
Every flower typically consists of:
  • Petals: These are usually colorful and attract pollinators.
  • Sepals: Often green, they protect the flower bud before it blooms.
  • Stamen: The male reproductive organ.
  • Pistil: The female reproductive organ.
This dynamic blend of reproductive structures ensures the continuation of plant species. Each element has its place and purpose in the beautiful complexity of a flower's anatomy.
Anther
The anther is an essential component of the stamen. It's where pollen, the male gametophyte, is produced. Pollen is crucial for fertilization, leading to the formation of seeds. Anther has several interesting features:
  • Location: Situated atop the filament.
  • Function: Houses pollen sacs that release pollen.
  • Appearance: Often appears as a small, knob-like structure.
These features make anthers indispensable for the reproduction of flowering plants. They ensure the male genetic material can be successfully transported to the female part of the flower, aiding in seed production.
Filament
The filament is the slender stalk within the stamen. It plays a crucial role in positioning the anther for optimal pollen dispersal. Understanding its function and structure can enhance our appreciation of flower anatomy:
  • Support System: Provides structural support to the anther.
  • Structure: Long and thin, resembling a stalk.
  • Function: Elevates the anther to improve contact with pollinators or wind for pollen distribution.
The filament鈥檚 role may seem simple, but it is vital for ensuring the successful spread and transport of pollen. It facilitates the reproduction process, proving how even the smallest parts of a flower have significant roles.

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