for pollination to occur, there is no need of fertilization of gametes i.e their union. fertilization is the union of male or female gamete and this process is facilitated by pollination. by pollination, pollens are brought to the eggs so that they can fuse and fertilization can take place.

Can fertilization occur without pollination Why?

Pollination may occur without fertilization but fertilization will not take place without pollination because pollination does not depend on fertilization but fertilization cannot take place without pollination because for fertilization to occur, it requires both male and female gametes.

Can fertilization take place without pollination occurring in flowering plants?

Pollination is the process of transfer of pollen grains from the anther to the stigma of a flower(which means it is the male gamete) . Fertilization is fusion of gametes , if pollination does not there will be no male gamete for fusion, therefore without pollination fertilization cannot take place.

Is pollen needed for fertilization?

NARRATOR: In flowering plants, pollination occurs when pollen grains are transferred from the stamens to the ovules. ... Fertilization occurs as a sperm cell in a pollen tube fuses with the egg cell of an ovule, resulting in a plant embryo.

Why pollen is important in fertilization?

In order to reproduce, plants need to be pollinated, and this is the reason that they produce pollen. Without pollination, plants will not produce seeds or fruit, and the next generation of plants. For us humans, pollination is so important because it is how food is produced.

Fertilisation and Post-fertilisation Changes in the Flower | Don't Memorise

15 related questions found

Where do pollination and fertilization occur?

Pollination is the transfer of pollen grains from an anther to a stigma. Pollen can be transferred by an animal or by the wind. Fertilisation takes place inside the ovary when the nucleus of pollen grain fuses with the nucleus of an ovule to produce a zygote.

Is Apomixis pollination and fertilization necessary?

Answer: Pollination and fertilization are not necessary for apomixis. The reasons in support of thisare given below (i) Embryo sac can develop from megaspore without reduction division the egg is diploidand develops into embryo.

Why Cannot fertilisation take place in flowers of pollination Class 10?

Answer : The transfer of pollen grains from the anther of a flower to the stigma of the same or another flower is known as pollination. ... It can possible through the process of pollination. Hence, fertilisation cannot take place if pollination does not occur.

Does fertilization and pollination always takes place at the same time?

Fertilization occurs in animals, whereas, both pollination as well as fertilization occur in plants. Often times, pollinators like birds, butterflies, bees help in pollination.

What will happen if fertilization does not occur?

If the egg is fertilized by a sperm as it travels down the fallopian tube, then pregnancy occurs. The fertilized egg attaches to the lining of the uterus. ... If the egg does not become fertilized, the lining of the uterus (endometrium) is shed during menstruation. The average menstrual cycle lasts 28 days.

What happens if pollination does not occur?

Pollination is a process in which male gametes land on female gametes and fertilization happen. If fertilization stops, there will be no seed and fruit production. Hence, proved that if pollination doesn't occur, plant will not be able to produce fruits and reproduce.

Can pollination takes place without pollen?

Abiotic pollination uses nonliving methods such as wind and water to move pollen from one flower to another. This allows the plant to spend energy directly on pollen rather than on attracting pollinators with flowers and nectar.

Why is pollination necessary?

The Importance of Pollination

The reproductive success of plants, and consequently their survival and evolution depend on it. A large range of insects depend on the pollen and nectar provided by flowers, and many animals are dependent on the seeds and fruits produced as a result of pollination.

What is the difference between fertilization and pollination?

The main difference between pollination and fertilization is that pollination is the deposition of pollen grains from the anther to a stigma of a flower whereas fertilization is the fusion of the haploid gametes, forming a diploid zygote.

Which important plant process would not be accomplished without pollination?

Without insect pollination, many food plants that we grow in our gardens cannot complete the pollination process and therefore, will not produce fruits or vegetables.

Why do animals not have pollination?

Pollen can't get from the anthers to the ovules on its own, so pollination relies on other things to move the pollen. The wind or animals, especially insects and birds, pick up pollen from the male anthers and carry it to the female stigma.

What is the process of pollination?

Pollination process occurs when pollen grains from the male part of one flower (anther) are transferred to the female part (stigma) of another flower. Once pollination occurs, the fertilized flowers produce seeds, which enable the associated plant to reproduce and/or form fruit. ... Pollination through wind is an example.

What is triple fusion?

: the fusion involving two polar nuclei and a sperm nucleus that occurs in double fertilization in a seed plant and results in the formation of the endosperm.

Which of the following is pre fertilization event?

Pre-fertilisation is the process that occurs before the actual fertilization, i.e. the process before the fusion of gametes. There are two events that occur before fertilization: Gametogenesis: Formation of male and female gametes. Gamete transfer: Bringing the male and female gametes together.

Where does the fertilization occur?

Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.

How does fertilization occur?

Fertilization happens when a sperm cell successfully meets an egg cell in the fallopian tube. Once fertilization takes place, this newly fertilized cell is called a zygote. From here, the zygote will move down the fallopian tube and into the uterus. The zygote then burrows into the uterus lining.

How does pollination cause fertilization?

Pollination leads to fertilization in a flowering plant. ... However, the ovules or anthers need external agents through pollination to move to each other. Pollinating agents like wind, water, and animals help to carry the anthers in the pollens to the ovules in the stigma for fertilization to take place.

What is the purpose of pollination for the pollinator?

Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation. One of the ways that plants can produce offspring is by making seeds.

What happens when pollination and fertilization fail to occur in plants?

Fruit may develop without seeds or with aborted seeds. Endosperm can develop without embryo. Fruit development may not occur. In plants for fruit development fertilization is not always essential.

Does a woman feel when sperm is fertilizing the egg?

Can you feel when an egg gets fertilized? You won't feel when an egg gets fertilized. You also won't feel pregnant after two or three days. But some women can feel implantation, the process in which the fertilized egg travels down the fallopian tube and buries itself deep within the wall of the uterus.