The fiber of which plant gives us linen?
How do you measure the content of vitamins or iron in a plant ?
Why Gymnosperms have become less than Angiosperms and What is the evolutionary trend between them?
Plants which give timber ?
which plant gives maximum oxygen ?
Explain the grafting of different rootstocks together ?
What are Cotyledons?
what are the differences between sugar and sap?
Why do plants need sunlight to make their food ?
Write about the Fruits ?
What is Climatic factors ?
what are the steps in tea processing?
what is the common name for bassico longifolia?