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प्रश्न
What are chasmogamous flowers?
उत्तर
There are two types of flowers present in plants, namely Oxalis and Viola −
Chasmogamous and cleistogamous flowers. Chasmogamous flowers have exposed anthers and stigmata, similar to the flowers of other species.
APPEARS IN
संबंधित प्रश्न
Describe the characteristic features of wind pollinated flowers.
Why does self-pollination not lead to seed formation in self-incompatible species?
What is meant by emasculation?
Give the floral adaptations for anemophily.
Name two characteristics of flowers in which pollination occur by wind.
Define the term Pollinating.
Complete the following chart and rewrite.
| Sr.No. | Agencies | type of pollination |
| 1 | Water | .................... |
| 2 | ........................... | Entomophily |
| 3 | Bat | .................... |
| 4 | ....................... | Ornithophily |
(Or)
Explain outbreeding devices in angiospermic plants.
Name of the parts of the ovary which give rise to:
Fruit wall ______
Differentiate between geitonogamy and xenogamy.
Put a tick mark (✓) against the correct alternative in the following statements
Pollen is produced in the
Differentiate Between Cross Pollination and Self Pollination:
For which of the following attractants and rewards are required?
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
Both chasmogamous and cleistogamous flowers are present in ______.
Which of the following plant contain unisexual flower?
Advantage of cleistogamy is:
What is self-incompatibility?
Complete the following table:
| Sr. | Type of pollination | Agent | Kind of flower | Examples |
| (i) | ______ | Wind | ______ | Maize |
| (ii) | Chiropterophily | ______ | Dull colour, with strong fragrance, abundant nectar | Adansonia |
| (iii) | Entamophily | Insects | ______ | Rose/Jasmine |
| (iv) | Ornithophily | ______ | Brightly coloured, large and showy. They secrete profuse, dilute n ectar | ______ |
Name the pollinating agent of a flowering plant with large and coloured flowers with sticky stigma. State one characteristic feature of the pollen grains produced in such flowers.
