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प्रश्न
What are chasmogamous flowers?
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उत्तर
There are two types of flowers present in plants, namely Oxalis and Viola.
Both chasmogamous and cleistogamous flowers are present in plants. Chasmogamous flowers have exposed anthers and stigmata, similar to the flowers of other species.
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संबंधित प्रश्न
Lever mechanism of pollination is observed in
- Salvia
- Jasmine
- Bougainvillea
- Butea
Name the part of the flower which the tassels of the corn- cob represent.
Mention two strategies that evolved to prevent self-pollination in flowers.
What is the bagging technique?
Name two characteristics of flowers in which pollination occur by wind.
Fill in the blanks:
The two kinds of pollination are __________ and __________.
Differentiate between the following:
Self pollination and cross pollination.
Exine and intine are the parts of
State the name of the chief pollinating agent against the corresponding plant by choosing from those given in brackets.
Dahlia_______ .
Name of the parts of the ovary which give rise to:
Fruit wall ______
Give one word/term for the following:
Pollination of flowers by birds.
Give four adaptations shown by flowers pollinated by wind.
Differentiate between geitonogamy and xenogamy (allogamy).
Can a plant flowering in Mumbai be pollinated by pollen grains of the same species growing in New Delhi? Provide explanations to your answer.
- Nucellus
- Antipodals
- Synergids
- Micropyle
Differentiate Between Cross Pollination and Self Pollination:
Describe the Advantages and Disadvantages of self-pollination to the Plant.
Mention various adaptations for wind pollination.
Explain water pollination in detail with its types.
Wind pollination is common in ______.
Which of the following pair has haploid structures?
Which type of flower has ovary superior?
Which one of the following may require pollinators, but is genetically similar to autogamy?
What is self-incompatibility?
Consider the following statements depicting adaptation of flowers to carryout successful pollination.
- Stigma is long, sticky and unwettable.
- Sepals, petals or perianth (if present) have waxy coating.
- Stamens with long filament and versatile anthers.
- Tubular corolla is seen.
- Flowers are noctumal.
Which of the above statements clearly depict hydrophily?
Pollination in water lilies is carried out by ______.
Give any four floral adaptations for chiropterophily.
Name the following:
Aquatic plants which are anemophilous.
