Advertisements
Advertisements
Question
Write two ways in which pollination may occur in plants.
Advertisements
Solution
The two ways in which pollination may occur in plants are:
(a) Self-pollination.
(b) Cross-pollination
APPEARS IN
RELATED QUESTIONS
A flower of tomato plant following the process of sexual reproduction produces 200 viable seeds.
Answer the following questions giving reasons :
(a) What would have been the minimum number of ovules present in pre-pollinated pistil ?
(b) How many microscope mother cells would minimally be required to produce requisite number of pollen grains ?
(c) How many pollen grains must have minimally pollinated the carple ?
(d) How many male gametes would have used to produce these 200 viable seeds ?
(e) How many megaspore mother cells were required in this process ?
Mention two strategies that evolved to prevent self-pollination in flowers.
Draw a diagram of a section of a megasporangium of an angiosperm and label funiculus, Micropyle, embryosac and nuclleus.
Name of the part of the ovary which gives rise to:
Fruit ______
Differentiate between geitonogamy and xenogamy (allogamy).
What is a flower? Draw a typical flower and label its different parts.
What are the adaptations which are required in cross-pollinated
Mention any one example of the anemophilous flower.
Name the following:
Aquatic plants which are anemophilous.
Comparatively a large amount of pollen grains are wasted during ______.
