Flower: Parts of a Flower, Importance, Example, Solved Questions (2024)

Anatomy of Flowering Plants

Did you know the largest flower found on earth weighs fifteen pounds and can grow up to three feet! It is called the Rafflesia Arnoldii. And the smallest is the Wolffia and it is the size of a grain of rice. Flowers are more than pretty things, they are responsible for the reproduction of plants and are absolutely essential. Let us learn more about them.

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Plants are majorly classified on basis of presence or absence of flower into flowering and non- flowering plants. A flower is a characteristic feature of flowering plants and is actually an extension of the shoot meant for reproduction. Flowers are attractive and appear in different colours and shapes to attract pollinators who help in pollen transfer.

Most flowers have four main parts: sepals, petals, stamens, and carpels. The stamens are the male part whereas the carpels are the female part of the flower. Most flowers are hermaphrodite where they contain both male and female parts. Others may contain one of the two parts and may be male or female.

The androecium is the male part of the flower. A collection of stamens is an androecium.

Q1.The flower is important to a plant because it helps in
A. Attracting
B. Production of Nectar
C. Pollination
D. All of above

Answer:All the flowers are important to plant as they attract pollinators by producing nectar, attracting pollinators and helps to plants in the reproduction process by pollination.
So, the correct option is ‘All of the above.’

Q2.Which of the following flower contain both stamens and pistils?
A. Perfect flower
B. Incomplete flower
C. Staminate flower
D. Bracteate flower

Answer:A bisexual flower is a flower that contains all the four whorls such as petals, sepals, the male reproductive structure (stamen) and female reproductive structure (pistil). Hence it is also called as a complete or perfect flower.

Answer:A flower which bears a stalk or pedicel is called as a pedicellate flower e.g. Hibiscus, Rose.
A flower which is borne directly on the stem is called to be a sessile flower. It is devoid of a stalk. Examples are sunflower florets, Sisyrinchium.

Answer:Insects such as butterflies, moths and bees visit flowers for nectar. These flowers have to be large, colored, showy and scented so that they can be easily spotted by insects. While feeding on nectar the pollens attach onto their body. When the same insect visits another flower it transfers the pollen to the stigma of that flower leading to pollination.