Question: What are various methods of vegetative propagation?
Answer: There are two methods of vegetative propagation:
- Vegetative Propagation by Roots – Example – Dalbergia sissoo (Shishan)
- Vegetative Propagation by Stem – Example – Banana
- Vegetative Propagation by Leaf – Example – Bryophyllum
- Cutting – Example – Sugarcane
- Grafting – Example – Desi mango
- Budding – Example – Rose
- Layering – Example – Jasmine
- Tissue Culture or Micro propagation – Example – Dahlia
Question: How is zygote formed in plants?
Answer: When male gamete present in pollen grain moves into ovules and fuse with female egg cell inside ovules and zygote is formed. This process is called fertilization.
Question:How does fertilization occur in flower?
Answer: After pollination pollen grain germinate on the stigma and moves through style to reach into ovules and fuse with female gamete. Thus fertilization occur.
Question: Where and how are seeds formed in plants?
Answer: In side ovary, the ovule develops into seed. As seed form, the ovary increases in size and became fruit.
Question: Name two kinds of gametes in flower?
Answer: Pollen grain and egg cell.
Question: What are pollen grains?
Answer: Male reproductive cell.
Question: What is found in embryo sac?
Answer: Female reproductive egg cell
Question: Name the plant form colonies by budding?
Answer: Duckweed or hydra
Question: Why are spore formed?
Answer: Spores are formed to help over coming unfavorable condition for reproduction.
Question: How is Bryophyllum plants propagated?
Answer: By leaves.
Question: How does spirogyra reproduce?
Question: What is ‘scion’ ?
Answer: The portion of the plant which is grafted on other plant is called scion.
Question: What is ‘stock’ ?
Answer: The plant on which grafting is performed is called stock.