Types of Flowers: Flowers can be of the following types based on or absence of stamens and pistils:
These flowers contain either stamens or pistils. It means these flowers do not have all the four whorls i.e. sepals, petals, androecium (stamens) and gynoecium (pistils). These are also called incomplete flowers. For example, the flowers of plants like sunflower, castor, cucumber, bottlegourd (lauki), and bittergourd (karela) are unisexual.
Bisexual flowers: These flowers have both stamens and pistils. It means bisexual have all the four whorls present. So, these are also called complete flowers. For example, flowers of rose, oleander, hibiscus, sweet pea and temple flower are bisexual
· Flowers are the reproductive organs of plants.
· A flower contains both male and female reproductive cells called gametes. These flowers are called bisexual flowers.
· When flowers have either male gametes or female gametes, they are called unisexual flowers.
· Flower has four parts- sepals, petals, stamens and pistils.
Sepals and petals are called non-essential whorls as they are not directly involved in reproduction. They only help in attracting insects for pollination. The stamens and pistils form essential whorls because they are directly involved in reproduction.
They bear the anthers that contain pollen grains. Pistil The pistil is divided into a stigma, style and ovary. Ovary contains the female gametes called ovules.
Endosperm is generally ___________________ | |||
Right Option : C | |||
View Explanation |
The correct sequence of reproductive stages seen in flowering plants is ________________________ | |||
Right Option : A | |||
View Explanation |
Fertilization in a seed plant is achieved after the union of ___________________ | |||
Right Option : C | |||
View Explanation |
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In terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
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Usually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...