Plant Biology True or False

1.	After their experiment, the Darwins concluded that grass stems bend toward light because: -> The epidermis senses light and absicisic acid builds up on the dark side of the stem. True False
2.	Secondary growth makes plants: -> Wider True False
3.	In the ABC model of flowering, which gene doesn’t do anything by itself? -> B True False
4.	In order to flower, long day plants need: -> Day length longer than their critical photoperiod True False
5.	Which plants have alternation of generations? -> Bryophytes True False
6.	What are the main tissues in plants? -> tracheids and vessel elements True False
7.	Which cells are dead when functional? -> Sporocytes True False
8.	The layers of which tissue form wood? -> Secondary xylem True False
9.	Which plant cell is correctly paired with its tissue? -> Guard cell—dermal tissue True False
10.	Which can be found in leaves? -> Spongy mesophyll and palisade parenchyma True False

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