CBSE Class 10: Sexual Reproduction in Plants Videos | Reproduction in Organisms

• what is triple fusion
• what is filaments
• sir/madam, how many theca are there in each lobe of an angiospermic anther? i guess there are 2 theca in each lobe. so there are 4 theca in an anther of a flower in total...am I right? how many microsporangium are there in each lobe of an angiospermic anther? i guess there are 2 in each lobe and thus 4 microsporangium in total...am I right? so are theca and microsporangium the same or microsporangium is inside the theca? does one theca only contain one microsporangium? plz i request u to answer all my question in simple language
• what is endosperm
• Explain sexual reproduction in flowering plants
• What is a PEDICEL in a hibiscus flower.
• Describe the process of double fertilisation in angiosperms. 
• what is pollination
• When the pollen grain reaches the stigma of the flower, it moves down into the ovary via the pollen tube. State True or False . If false why ?
• Do sterile have seeds or not?

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