Which of the following meristems is responsible for extrastelar secondary growth in dicotyledonous stem ?
Intrafascicular cambium
Interfascicular cambium
Intercalary mertistem
Phellogen
What is true about a monocot leaf ?
Reticulate venation
Absence of bulliform cells from epidermis
Mesophyll not differentiated into palisade and spongy tissues
Well differentiated mesophyll
Pericycle of roots produces
mechanical support
lateral roots
vascular bundles
adventitious buds
An organized and differentiated cellular structure having cytoplasm but no nucleus is
vessels
xylem parenchyma
sieve tubes
tracheids
Out of diffuse porous and ring porous woods, which is correct ?
Ring porous wood, carries move water for short period
Diffuse porous wood carries more water
Ring porous wood carries more water when need is higher
Diffuse porous wood is less specialized but conducts water rapidly through out
