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
Advertisements
Solution
Dioecious plant bearing only male or female flowers
APPEARS IN
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.
