Advertisements
Advertisements
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
With the help of a suitable example, explain protandry.
Describe the characteristic features of wind pollinated flowers.
Add a note on pollination mechanism in Salvia.
Fill in the blanks with suitable words.
Different timings for the maturation of gynoecium and androecium is called ________.
Name of the part of the ovary which gives rise to:
Fruit ______
Give one word/term for the following:
When stigma and anthers do not grow up to the same height, which favors only cross-pollination.
In bisexual flowers, maturation of gynoecium before androecium is known as ______.
State four features of flowers pollinated by insects.
Put a tick mark (✓) against the correct alternative in the following statements
Pollen is produced in the
Put a tick mark (✓) against the correct alternative in the following statements
Vegetative propagation is not observed in:
What are the adaptations which are required in self-pollinated plants?
The question has four options. Choose the correct answer:
Pollination by insect is known as
Mention various adaptations for wind pollination.
A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by ______.
Pollination occurs in ______.
The flower which does not open at all are called ______.
Pollination refers to the
Which one of the following may require pollinators, but is genetically similar to autogamy?
Choose the correct statement from the following:
Briefly discuss any two methods by which plants avoid self-pollination.