Đề thi chọn HSG cấp tỉnh năm học 2012-2013

SỞ GIÁO DỤC VÀ ĐÀO TẠO ĐỀ THI CHỌN HỌC SINH GIỎI CẤP TỈNH
TUYÊN QUANG LỚP 12 THPT NĂM HỌC 2012-2013
Môn thi: SINH HỌC
Thời gian làm bài: 180 phút (không kể thời gian giao đề )
(Đề này có 01 trang)
Câu 1   !"#$%&
Câu 2
$'()*&)+!,-$./012&$3.0!
$.456'7893.0&
7:';<=>?1@(./ABA3(C$'&85DE&
2F!'(C-78G.0?'.H-78G
.0?1
Câu 3 I<$.0(HJ>KL>?''97'+<F(,&
7M2N*!(&!O-#$P$+7@9)$./5Q.0(
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H!'
XY<Z()*&!,&+F$;Y7G!(<ZD
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'Z$+!O*&3.0
AX8(*B #$P[(#%(<(*!O.8'
H!'
Câu 4
X+(*($\?]6#&8(2.48'HF\
7H!'^3<[(#'!' 3<.(_?]'HF
?]7`2'97`*87'-"@(a[(#$(&-,*7M
#'
Câu 5 _$7&#(;(*XN'%&1X././(&+
$MbQ(1c. %H1')+^&d5DE&2F/(&+-
Câu 6:
X+(`(&+%H,
7X+(!"8-e8-3(f'
Câu 7 H<7337#!'+(72g!P87'<
,(7,.08[(2,(7-hi=9g!P!_-R85
DE&'78,(7EP73j2F(&+%%&$73-
Câu 8 :
k"'N!4'./%'H#??*($\?@(l
7$'"+AH<78'G78*V!'
Câu 9 R:I<?-__=(?'5$'?!(?''Hjhim5n(<78
%o$'?A'?G0+2_11(*3+1 5
p#`@(A?!(<78
7q?$+"%)Rf(f(!(?''Hm2_i(?'5n
+8A$'7`#r$'[(#$$+7'+(
Câu 10 :W%&(([(2.0[(&`74<9??F$H
[(2Y$<''!' F$H[(25j?[(&`F$H&M$+
g!P./56'i%&[(2Y"*4s_,.0a3(_R[(2
YR[(25p#`(?i%&[(2Y483t
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Câu 1 
T3.02%<', $y%y
0* %.r7<H'+87'%7<R5a-4"
,DHF",-'5
TV$l!"272'PPA"$z*AA.r\$''EE
())#$'8%&'"A.r272'',(8
2^F @(378G)$./!A(&$l5
Câu 2
{$'()*&)+!,VnV-3.0!$.4
./'!$.4[(fVnV;'
{V(C!$.4)$./y(;7';|0*z(
N#(5q!$.4(C!O;-$. +(;7''\
b.Fd*5
q(;7'y*H(;7'y2yG0:f'(&
-\5
{D3.0!$.4)aH84(;7'^.0*&4#
(;XN}t)'5
7{:';<=>-#A%&78F$'?~(#<)ZZ
)'!!-5
- t?1y8!"G0t:j?A'Y(C5X@((C?
##!./$+!E-?]?1]Pl7?•
?17*'H*#!&5
Câu 3 
56*.0*
6D
R
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STU
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&\z!,8(F7P7(<5
qY<ZD
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S
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7G!('<ZA(A`()*&(C1?!O*&7Z
Y-A''1'#$
]
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S
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D
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STS
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:]]-4#!,8(F7P7(<5
AV(C1?78$.0(*;&8(m?'7?$j(''7?$
q*%(&(Cm?'7?$-2^87811?6S
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SD^+**Af`(5

Câu 4
:]<*1\#!Z.0H'$$'N5
6*($\Tfprôtêin'9prôtêin _foYZcôenzim5
T$'%o?]-_B)973Z$(%'H<
N+8 N*5
{6#&8(2.48'HF?]X3<u<DX;<N*X;<
?]6*y85
7{V?]-72*$'?+^3<[(#3<.(?]
?]!O7`78F*y^1\#5
{87'-"@(a[(#$(&-,*7M#@(a'HF
#?])[(!oA#*y8'9'H-?]5
Câu 5 _$7&#(;(*XN'%&1X././(&+
$MbQ(1c. %H1')+^&d5DE&2F/(&+-
- 6#(;(*XN'%&1
_5XN$')F
2
{XN%oX•%&)*.0/VnV-`XDR{%&*5
{XN4AHXSXS%&Z'%&5
5XN$'*
XN$'*;H4AH
TXN'#XSR{XDiT{%&*$"85
TXNz(N1#!,{%&)*$"8.0/VnV*'#-
XSR{XDiT5
Câu 10 : 'm[(&A[(A'[(&A[(
?(?mmm[(&A[(A'?(?[(&A[(
i&[(A'mmm(('_RA'R('A(''&?
iA'TR1RA'_&mm1mmTR1m1m
A'A'?(?(i&[(A'_&mmR&m
3