Sexual reproduction in flowering plants + NEET important Points + Important Diagrams

Sexual Reproduction in Flowering Plants ( Easy Notes )

1. Flower

• Flower = Reproductive organ of plants
• There are 4 parts
• calyx - Sepals
• Corolla - Petals
• Androecium - male part (stamen)
• Gynoecium - female part ( pistil)

2. Male Part (stamen)

• Stamen = anther + Filament
• inside Anther - Pollen grains (male gamete)
• Process = Microsporogenesis

Important point :

• Pollen = male Gametophyte

3.Female Part (Pistil)

• Parts :
• Stigma
• Style
  
• Ovary

Inside Ovary - Ovule - Embryo sac (female gamete)

Embryo sac:

• 7-celled, 8-nucleate (very imp)

4. pollination

• Pollen transfer from anther - stigma

Types:

• Self pollination
• Cross pollination

Agents:

• Wind 
• Insects
• Water

5. Double Fertilization (most Imp)

• 2 events :

1. Male gamete + Egg - Zygote
2. Male Gamete + Polar nuclei - Endosperm

Unique feature of flowering plants.

6. Post Fertilization 

• ovule - Seed
• Ovary - Fruit
• Zygote -embryo

7. Special Topics (NEET FAV)

• Apomixis - Bina fertilization seed
• Polyembryony - ek seed me multiple Embryo

NEET (Point this )

• Every Year approx : 3-4 Questions (100%)
• Total marks : 12-16 marks 
• Weightage : Around 5-6% Biology

High Scoring + Guaranteed Chapter for NEET

Most Important Topics For exam

• Embryo sac (7cell 8 nuclei )
• Pollen Structure
• Double Fertilization
• Pollination Types
• Endosperm (triploid)
• Apomixis

If You want complete notes then check this PDF 

https://acrobat.adobe.com/id/urn:aaid:sc:AP:fc9f5a20-a545-4666-8689-f763fdd2dbd3 

Important Diagram in this chapter

Download Diagram PDF