How does hydrilla breathe?
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TREE RINGS. Do they have any function other than dendochronology?
What is the hardest wood?
Give the names of sub-families of Malvaceae family.?
Explain what is the concept of genetic engineering?
Explain distinction between plants and animals ?
Give two of examples of Modern agriculture implements ?
Any diff between secondary constrictions and kinetochores?
why the flower petals are in particular is any biochemical work for that?
What percentage of the world's photosynthesis is produced by trees alone?
Why do flower pots have holes in the bottom ?
what does the storage tissue in a seed do?
xylem