English
Karnataka Board PUCPUC Science 2nd PUC Class 12

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

Advertisements
Advertisements

Question

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

Options

  • Monoecious plant bearing unisexual flowers

  • Dioecious plant bearing only male or female flowers

  • Monoecious plant with bisexual flowers

  • Dioecious plant with bisexual flowers

MCQ
Advertisements

Solution

Dioecious plant bearing only male or female flowers

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Sexual Reproduction in Flowering Plants - MULTIPLE CHOICE QUESTIONS [Page 11]

APPEARS IN

NCERT Exemplar Biology [English] Class 12
Chapter 2 Sexual Reproduction in Flowering Plants
MULTIPLE CHOICE QUESTIONS | Q 13. | Page 11

Video TutorialsVIEW ALL [2]

RELATED QUESTIONS

Why do moss plants produce very large number of male gametes? Provide one reason. What are these gametes called?


Mention two strategies that evolved to prevent self-pollination in flowers.


Write two ways in which pollination may occur in plants.


Name two characteristics of flowers in which pollination occur by wind.


Find the odd-one out, giving reason:

Ovary, style, pollen grain, stigma


Define the term Pollinating.


Select and write the most appropriate answer from the given alternatives for the following subquestion: 

A versatile anther is an adaptation for _______ type of pollination. 


Give one word/term for the following:

Pollination of flowers by birds.


Answer the following question.
Express the process of pollination in Vallisneria.


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:


Describe pollination. How many types of pollinations are found?


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.


Pollination by water occurs in ______.


Insect pollinated flowers are ______.


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

What is self-incompatibility?


Give any four floral adaptations for chiropterophily.


Name the following:

One plant each of Hypohydrophily and epihydrophily.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×