Pollination is the act of movement of pollen grains from the male reproductive part of a flower to the stigma, which is the female reproductive part. The transfer of pollen can take place through butterflies, honey bees, wind etc.
The categorisation of pollination is based on the method of movement of pollen grains from flower to flower. There are primarily two kinds of pollination
In self-pollination, pollen grains remain within the flower as it moves from its anther to stigma. However, in cross-pollination, presence of a vector is required, and the grains are transferred from one flower to another. The vectors can be air, insects or birds. Advancement in science has also allowed artificial pollination by man, especially for pollinating palm trees.
This aspect goes on to explain how the process of pollination is different from fertilisation.
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Process of pollination, as mentioned, also reflects the point of distinction according to the difference between pollination and fertilisation Class 10.
Pollen grain reaches a sticky stigma of a flower
Pollen tube expands across the Style also receiving male sperm
Sperm nuclei attach to female ovules
While insects may appear to be insignificant, they act as the primary pollinator agents. Around 200,000 – 300,000 invertebrate species like beetles, butterflies, moths, mosquitoes, flies, bees spread pollen between thousands of trees. Close to 2000 vertebrate species like mammals, birds and reptiles also act as pollinator agents.
Among all these agents, the little honeybee is the most important one!
Plant fertilisation includes a fusion of male gametes (originating in the pollen tube of a flower) with the ovum (the female gamete). Fertilisation within a flower is necessarily preceded by pollination.
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Both male and female gametes fuse to create a zygote
Zygote divides to form an embryo
Embryo remains within ovule, and the latter develops into seed with tissues while ovary converts into fruit
The steps and outcome of the process of plant fertilisation include the difference of pollination and fertilisation.
i. What is the primary purpose of a pollen tube?
(a) Allowing pollen movement from stigma to ovary for plant fertilisation
(b) Attracting pollination agents
(c) Producing nectar from pollen
(d) Protecting movement from anther to stigma
Ans: (a) Allowing pollen movement from stigma to ovary for plant fertilisation
ii. In plant fertilisation, male gametes transported by wildlife or wind takes place through:
(c) Bees only
Ans. (a) Pollen
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1. What are the types of pollination?
Pollination is of two types- self pollination and cross pollination.
More about Pollination has been included in Difference Between Pollination and Fertilisation that’s on Vedantu. Students can read from here and then understand how each works. The material on this platform is very relevant and can be used by all students to revise before their exams. It is quite informative for all students to go through. The types of Pollination are quite simple to understand as well as they have been logically explained on the page.
2. How can students understand the process of pollination?
The process of pollination can be understood once the students read from Difference Between Pollination and Fertilisation that’s on Vedantu.
The entire page has vivid explanations on the topic as well as the other related topics. They can read from here and accordingly prepare for exams. Expert Biology teachers have contributed towards Vedantu’s study material and so, it has only the most relevant material. All students must go through this so as to understand the basics. They can go through this page for all their queries.
3. Is plant fertilisation the same as pollination?
Plant Fertilisation is not the same as pollination. It involves the fusion of male gametes with the female ones. More about this can be read from Difference Between Pollination and Fertilisation on Vedantu. This page is a comprehensive guidebook for all the Biology students who need to revise this particular chapter. The distinctions between each of the concepts has been made clearer so that the students know what exactly to study before an exam. Both are quite different and need to be understood well for the sake of clarity.
4. How can students practise some questions on pollination?
Students can practise from Difference Between Pollination and Fertilisation on Vedantu’s online tutoring platform. This page has quite some questions for them to read and then understand. They can assess their understanding of the topics once they go through these questions. All students must be well versed in the topic so that they can score well in their exams. Practice before any major assignment becomes crucial as it bolsters the understanding of students. All relevant questions will be found here.
5. What is cross pollination?
In Cross pollination, the grains are transferred from one flower to another. The definition has been provided on the difference between pollination and fertilisation that’s on Vedantu.
The concepts are quite clear in this page as it has been carefully created by the Biology teachers. Cross pollination is one among the two types of pollination that takes place in flowers. The other type is self-pollination. All students who need to know about this in depth can read from the page as it has extremely relevant information.