In which of the following plant the stamens are united into one bunch?

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In china rose the stamens are united into one bunch (monoadelphous), pea plant has stamens united in two bunches (diadelphous), and in citrus plant the stamens are united into more than two bundles (polyadelphous).

In which of the following plant, the stamens are attached to the petals?

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In brinjal, the stamens are attached to the petals. It is called epipetalous.

Which of the following plant has half superior ovary?

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Hypericum calcinum has superior ovary. All plum, rose, and peach have half inferior ovary.

While doing the floral dissection, you are making two similar halves of that flower. What would be the flower type?

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If the flower can be divided into two equal halves, then the plant is said to have actinomorphic flower type.

Which of the following is true?

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When the sepals are united the calyx is called gamosepalous.

Which of the following plant has bisexual flower?

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Lily has bisexual flower in which both the male and female reproductive parts are present, whereas corn, oxalis, and drosera have the male and female reproductive parts in separate plants and hence they are called unisexual plants.

Which of the following is the accessory organ of the flower?

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Corolla is the accessory organ of the flower. Androecium and gynoecium are the reproductive organs. Pedicil is the stalk of the flower.

Which of the following floral part is important for pollination?

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Corolla is composed of petals. The bright petals attract insects for pollination.

Which of the following term is related to the sepals and petals arrangement?

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The mode of arrangement of sepals and petals is called aestivation. Valvate, vexillary, and imbricate are the types of aestivation.

Which of the following plants has asymmetric flowers?

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Canna’s flower can’t be divided into similar halves. So, flowers of canna are asymmetric, whereas flowers of bean, gulmohur, and cassia can be divided into similar halves (only in one particular vertical plane) and hence their flowers are called zygomorphic flowers.

Which of the following protects the flower bud?

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Sepals are the members of calyx which protect the flower in the bud stage.

Which of the following plant has marginal placentation?

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Pea plant has marginal placentation whereas dianthus and primrose have free central placentation , and sunflower has basal placentation.

ICSE Class 9th Biology - Flower MCQs
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