English
Karnataka Board PUCPUC Science 2nd PUC Class 12

What are chasmogamous flowers?

Advertisements
Advertisements

Question

What are chasmogamous flowers?

Very Short Answer
Advertisements

Solution

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.

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Sexual Reproduction in Flowering Plants - EXERCISES [Page 25]

APPEARS IN

NCERT Biology [English] Class 12
Chapter 1 Sexual Reproduction in Flowering Plants
EXERCISES | Q 7. a. | Page 25
Nootan Biology [English] Class 12 ISC
Chapter 1 Sexual Reproduction in Flowering Plants
NCERT EXERCISES | Q 7. i. | Page 68

Video TutorialsVIEW ALL [2]

RELATED QUESTIONS

Geitonogamous flowering plants are genetically autogamous but functionally cross-pollinated. Justify.


Name the part of the flower which the tassels of the corn- cob represent.


Make a list of any three outbreeding devices that flowering plants have developed and explain how they help to encourage cross-pollination.


What is meant by emasculation?


Give the floral adaptations for anemophily.


Describe the structure of its microsporangium.


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.


Which one of the following is one of the characteristics of self-pollinated flowers?


Give one word/term for the following:

Pollination of flowers by insects.


Type of interaction where an individual sacrifices its own welfare (life) for the benefit of another animal of its own species is ______.


Name the two types of pollination.


Differentiate Between Cross Pollination and Self Pollination:


What are the adaptations which are required in cross-pollinated


Very short answer type question:

What is hydrophily?


At which stage pollen grains are shed from the anther in Angiosperms?


Anemophily type of pollination is found in ______.


Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in ______.


The flower which possesses both androecium and gynoecium is called perfect or ______.


Which of the following plant contain unisexual flower?


In the dioecious aquatic plant shown, identify the characteristics of the male flowers that reach the female flowers for pollination:

  Size of the flower Colour of flower The characteristic feature of pollen grain
A small brightly coloured Lightweight and non-sticky
B large colourless large and sticky
C small white small, covered with mucilage
D large colourless non-sticky

Which one of the following may require pollinators, but is genetically similar to autogamy?


Correct definition of pollination is ______


The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is ______


From among the situations given below, choose the one that prevents both autogamy and geitonogamy.


Give any four floral adaptations for chiropterophily.


Identify the set of correct statements:

  1. The flowers of Vallisneria are colourful and produce nectar.
  2. The flowers of waterlily are not pollinated by water.
  3. In most of water-pollinated species, the pollen grains are protected from wetting.
  4. Pollen grains of some hydrophytes are long and ribbon like.
  5. In some hydrophytes, the pollen grains are carried passively inside water.

Choose the correct answer from the options given below:


Which one of the following flower is hypohydrophilous?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×