Science, asked by glowHARDIK1, 1 year ago

please explain me reproduction in plants


ashishkhare687: bhai issa paad le pura samjh aa jaega https://www.britannica.com/science/plant-reproductive-system

Answers

Answered by aka1e8
1
a plant has a male part called anther and the plan another plant has the Pathak world filament from where the vendor enters and the reproduction occurs in the
Answered by PrincessNumera
22

  {\mathbb{\huge\boxed{\boxed{Reproduction\:in\:flowering\:plants}}}}


Reproduction means creating a new generation  from the parent either in sexual or asexual way.


Types of reproduction in plants :-  



(1) Asexual reproduction : - ( a plant give rise to  a new plant without seeds, the new plant looks  very similar to its parent plant, it takes less time  to grow )  


  • (i) Vegetative propagation
  • (ii) Budding
  • (iii) Fragmentation
  • (iv) Spore formation

(2) Sexual reproduction involves :- ( a plant which  grows with the help of seeds, the new plant  produced can differ from it's parent plant , It  takes a long time to grow )

  • (i) Self pollination  
  • (ii) Cross pollination
  • (iii) Fertilization  
  • (iv) Seed dispersal.

There are two type of Flowers  


1 - Unisexual  

The plants which have either only stamen or  only pistil present in it is called as unisexual  flower, in such plants cross pollination takes  place.



2 - Bisexual flowers

The plants which have both stamen and pistil in it,  here self pollination takes place.



{ We will know more about different types of  pollination further in the answer}  


Male part Stamen consists of Anther and filament  

Female part Pistil consists of Stigma, style and  ovary

Reproduction in flowers is termed as sexual  reproduction as it involves two parents that is  Pollen grain i.e male part present in Stamen and Ovules (eggs) i.e female part present in pistil.  


\underline{\huge\bf{\mathfrack{\boxed{Pollination}}}}

Transfer of pollen grains from anther to stigma

Pollen grains are present in anther, they have a  protective coat which prevents them from drying .

Pollen grains are very light in weight they can be  carried by wind,water and animals or insects  which visits to flower.


Pollination is classified in two types :-

1) Self pollination  

When the Pollen of the same plant falls on the  stigma of the same plant is known as self  pollination  .


2) Cross pollination

When the pollen falls on a different flower of  same plant or different plant of same kind is  known as cross pollination  



\underline{\huge\bf{\huge{\mathfrack{\boxed{Fertilisation}}}}}


When male and females gametes fuses with each  other to form a zygote is called fertilization, the  zygote further turns into an embryo.

The fruits are ripened ovary. From ovules seeds  are developed.  


\underline{\huge\bf{\mathfrack{\boxed{Seed\:dispersal}}}}

  • Dispersal is the scattering of seeds by agents like   wind, water and animals
  • Seed dispersal takes place with the help of wind,   water and insects  
  • It prevents competition among the plants for   space sunlight water and also avoid over   crowding


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