Biology
A flower is said to be complete when:
- It has the corolla and calyx
- It has the corolla and gynoecium
- It has the androecium and gynoecium
- It has all the four whorls
Flower
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Answer
It has all the four whorls
Reason — A flower with all the four whorls present, is known as complete flower.
Having corolla and calyx only, means missing reproductive parts. Having corolla and gynoecium only, means missing calyx and androecium. Having androecium and gynoecium only, means only reproductive parts, missing outer whorls.
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Related Questions
Mention if the following statements are true (T) or false (F)
- Flowers can be complete or incomplete.
- A flower typically has six floral whorls.
- Bracts are usually green, but sometimes large and colourful.
- Nasturtium has nectaries.
- Stamens and carpels are the male and female parts.
- The prefix "gamo-" is used whenever any of the floral whorls are fused.
- Stigma may be simple or divided into two or more lobes.
- Papaya is monoecious plant.
Bougainvillea flower has
- Large sepals
- Large nectary
- Large colourful petals
- Large colourful bracts
The part of the flower that gives rise to the fruit is
- Sepals
- Petals
- Ovary
- Stamens
The part of the flower that gives rise to the seed is
- Ovary
- Placenta
- Ovule
- Pollen grain