148.
W hich
o f
t hese
c odons
d oes
n ot
s erve
t o
e nd
t ranslation?
a) AUG
b) UAA
c) UAG
d) UGA
149.
D ifferentiation
o f
s hoot
i s
c ontrolled
b y:
a) High
a uxin
:
c ytokinin
r atio
b) High
c ytokinin
:
a uxin
r atio
c) High
g ibberellin
:
a uxin
r atio
d) High
g ibberellin
:
c ytokinin
r atio
150.
W ater
i s
l ost
i n
a
l iquid
s tate
i n
s ome
p lants
t hrough
h ydathodes.
T hese
h ydathodes
a) do
n ot
s how
a ny
s pecificity
i n
o pening
a nd
c losing
b) remain
c losed
d uring
d ay
c) remain
c losed
a t
n ight
d) remain
a lways
o pen
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