GIÁO ÁN SINH HỌC 11 NC BÀI 36 PHÁT TRIỂN Ở THỰC VẬT CÓ HOA


 !"#
GIÁO ÁN
$%&'()*&+,-./0/123
I. MỤC TIÊU KIẾN THỨC
1. Kiến thức
4,56789:;;<=;>!?;8@A";?B8CB88DE8:A58!8
FG
4,>HAABAI8JAJ9:;;
4KLM=9NO8PQ
2. Kỹ năng
4*R<#QFST?;9B88;UB8QF78VA
4*R<#QFSTI8GAU8WHU99B
4*R<#QFST!8>XYZ
4*R<#QFST<=ZQA>XA<59BABF;
3. Thái độ
[@A9D>HAABAI8JAJ9:;;U8\>YAY]6Q
B8FS8588BA>X>79:98E=B88DA";8:A58^ZZ;<!<H
GAAA
II. NỘI DUNG TRỌNG TÂM
/BAI8JAJ9:;;A";AI#
III. PHƯƠNG PHÁP DẠY HỌC
4_B8#788C
4_B8:A?;
4_B?;9B88;B8QF78VA
4_B`>Ba8CZ8b6X5
IV. PHƯƠNG TIỆN DẠY HỌC
4;'(c='(d9F
4;AI#A=A;
4;ABAVLMA";?;AFeUAZU9L
((f

=
g'f
=8:A8h
47@A85
V. TIẾN TRÌNH T Ổ CHỨC TIẾT HỌC
1. Ổn định tổ chức lớp
2. Kiểm tra bài cũ
I8GA8BA>X9<iA";8\<!AZ8:A58
3. Tổ chức hoạt động dạy học bài mới
Đặt vấn đề::C8=;<=LOQA#D878\;>!9
8EB88DLLj9;98EB88D99/YAI#;;=
Zk;RUAYAI#;;=Zk;>PUAlAYAI#;;F>!8>HAZVA>X9
8EO8>5#I8J=AJ9:;;mD8GA>HAA[8;9n
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Thời
gian
Hoạt động của giáo viên Hoạt động
của học sinh
Nội dung bài mới
Hoạt động 1: Các nhân tố chi
phối sự ra hoa
4/9?;9B88; AI#A=
A;
4 q=AI#A=A;;;=
L:;=>I>DNBA>8WA";
8:A58ZX8TZm
:;;AY<?;8W
AI#
4/9?;9B88;AI#>r
>HANs<i6tt<AZ

E>79:;;
4/9?;9B88;
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<!9n;;
u$yATZc98E
LLjUTZd8?;Zk;
>P<!9n;;
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Zk;>PFQ8>XNJ8O
8==#
u$P8#78Az;;EQ8>X
8O
4,8;@Q8HAI#;
;M8XAQ8>X8O@<=
Q8HNIY;
u,=#yUB9BN;U
Q8>X8OU=Z<H/2
d
A;U
>X{ZA;U|8_};AB
u,=#L=UB9B>`UQ8>X
A;U=Z<H/2
d
8OU>X{Z
8OU|F;<};>:A
u/7>XLLj8J8U/~,AI
>J}AI#F`t}8[A>{#;;
•78JZP8}
8PAZP}6XZB#L8#|

v3,x}8G>:AAB
4/9?;9B88;8|E
_
4/I#8|> A8EZ|
$yAvAM8D_x!9;
F>;=Z|,;Z8€<!
FP;;m
AI#8|Az;;9;
F8?;Zk;>P<!UE
Z|,;ZFPAYZk;>P
AI#8|FP;;
498<
498<
:C8=;<=
LOQA#D878\
;>!98E
B88DLLj
9;98EB8
8D99
I. Các nhân tố chi phối
sự ra hoa
1. Tuổi cây
4:;;AY<?;
8WAI#U<H
AZP
4/I#|<BUG8hU
|6t<}•‚4
wfƒ;>:A
4/I#|hMU|
N8PF};AB

4/I#|h=<BU8!
AZPAI6^}8„
<Q>:AAB6^;
2. Vai trò ngoại cảnh
4…IY;<=Q8H
;;A";AI#M8XA
=Q8>X8O
4,=#yUB9B
N;UQ8>X8OU=Z
<H/2
d
A;U>X{Z
A;U|8_};AB
4,=#L=UB9B
>`UQ8>XA;U=Z
<H/2
d
8OU>X{Z
8OU|F;<};
>:A
4/7>XLLj8J8U
/~,AI>J}AI#
F`t}8[A>{#;;
•78JZP8}
8PAZP}6XZB#
L8#|v3,x}
8G>:AAB
3. Quang chu kỳ
†;AFe<=8
;A79BNtFn

6Y8Jv>XL==#
>ZxE89
8E=B88DA";
AI#†;AFe8BA
>X>79:;;UM
4/9?;9B88;9:;;
A";AI#L8BA>XA";B
9BI8GA8;
uC3;A79BG8
_cdAI#Z;;
uC$;A79B
|_cdAI#Z;;
uC/;A79B
FPE>79:;;
A";AI#
4;A79BE
87=>79:B88DA";
AI#m
;A79BNtFn
6Y8JE>79
8E=B88DA";AI#@<=
?;AFet?;AFe
8CI8='<!AI#AI#
88GUAI#=#y=AI#
=#L=
4D8CZD'<!AI#=#A[
8;Ak=8=7@A85
4WAVA!8>XYZ
v9~YZx
4,AVZMA&9F=?;

9B8C9:;;A";AI#=#
yUAI#=#L=UAI#88G
>D=8=6oI<!AI#
8t?;AFep
4@>!LQ8\YZ8<
8\XLUYZFBA9s;
A];U6W9
4AGNBAY;8\XL
F78HA9?;9B8CABA
YZAI#>!LQA8\X
L
uI8GA8;'(d>D8O#
>HAAI#=#L=8:AAO8<=AI#
>ZyCA[A‡>XL=8J
y_>D;;UAI#^y
8:AAO8<=AI#>ZL=CA[
A‡6Y8JL=_>DIY;
;
,5#6Y8J?#78>
A9:;;A";AAI#=#L=
==#y
4/BAtZ88O#Zˆ>X878
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A[A;A[A8XAAI#=#y
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498<
49!8
>XYZ
498<
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HAO8?;H
t?;AFe8C
I8='<!AI#
AI#88GUAI#=#
y=AI#=#L=
4/I#=#y;;
F8;A79BG8
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4/I#=#L=;;F
8;A79B_
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y==#L=
4. Phitocrom
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t‰Z8€8!EdL!
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9B>`N;v6A9Y
g'fZx8AZ8BA

>X>79:#Z‡ZU;
;=|?B8C
9<iFBA;L!
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A";B9B
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5. Hoocmon ra hoa
(florigen)
‹<t<=HAO8
A";6tt<vFGA8GA
9:98E>7;x=
;8t9vFGA8GA9:;
Z‡Z;x
4AZ;;>HA
8WHE<B=>HA
5A#D?;Aˆ
Œ
FDAA[AE;=>[
LQ878m
/[A<=AI#A‡>ZL=>D;

;8;88y>R
>DBj>ZL=>DVAA79:;
;A";A[A
_8:5#EABAk
8€ZG;?#ZP<8;
86yB9B=];
>DZ>DBj9:;;FPAY
<HA";ZG;
48P6BA>X
A79BG85#8C9:;;
A";AI#FPM8XA=
A>XA79BZ=<?;
>7ct‰Z•‰Z>Y<=
8AZ5#8AZ8BA
>X87=>79:;;
A";AI#/[8;Ak
AVZMA8AZ
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8!EdL!
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g'f
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xO8MB9B>`N;
v6A9Yg'fZx8AZ8BA

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|?B8C9<iFBA;
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g'f
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A";AI#=#L=
4/9?;9B88;k8;
;‰tt<ZatAY>XL=6A
9Y('dZ9;=I#A#D
((fðg'fAAI#9sLM
4/9?;9B88;'(c
I8GA8;
u/53AI#=#L=UA5$
AI#=#ydA5=#>HA

J;8P?;AˆŒU
dA5=#Ak>HAA79B
8>|FQ=#y8CAd
A5>|;;
498<
4C9;AdA5Ak;;m
>|FQA79B
=#y8CAI#EA5$;;U
LdA5=#>HAJ;
8P?;AˆŒ8BAI
FGA8GAE;AY8D>HA
8#|9;AˆŒ
4,8;@8BAIFA8GA
;;=#<=AZ;;
vŽ<tx
45#6AO8A";Ž<t<=
‹<t•6tt<vqGA8GA9:
98E>7;xu38t9
vqGA8GA9:;Z‡Z;x
38t9<=AZ8#78
4/9?;9B88;AZ
;;>HA8!;8P<B>HA
5A#D>7ABAA=>DFGA
8GA9:C8=b;I
8GA8;
uC3<=AI#=#yAzA‡
>Dc<B8?;AFe=#
y8CAI#Al;;
uC$Œ(AI#=#y
=#<87UZX8A=>D8

=#yAb‚A=8=#
L=8C8O8A>|;;|=#
AV8`AZ;;>HA
8WHE<B=>HA5A#D
?;AˆŒ
498<
Hoạt động 2 : Ứng dụng
q678>HAABAI8JAJ
9:;;8;>rVLM
87==PQm
k6tt<8!>|FQ
AAI#9:;;
LjH<iv8z<Q/~,x
AI#;;LhL=
$J8G8M8GAHU8:A
Q?;B>!ZX89J
<!AI#
k8;<;‰tt<ZatAY
>XL=6A9Y('dZAz9;
=I#9nA#DY;
((f
8=

g'f
AAI#9sLM
498<
II. Ứng dụng
4k6tt<8!>|
FQAAI#9:;;
4LjH<iv8z<Q

/~,xAI#;;LhL=
4$J8G8M8GAHU
8:AQ?;B
>!ZX89J<!AI#
LDB9:;;
FPAY<HA";ZG;
8;86yB
9B=];>Z>D
A;>ZL=8=d>Z
y
4/BAtZ|8CZ8Z]V
LMA";ABAI8JAJ9:
;;8>9J9NO8
4k8;<;‰tt<Za
tAY>XL=6A9Y
('dZAz9;=I#9n
A#DY;
((f
8=

g'f
AAI#9sLM
4. Củng cố
Câu 1:;;A";AI#M8XA=]#78J=m
Câu 2†;AFC<=9:;;M8XA=
3XL==#=>Z
$WAAI#
/XL==#
XL=>Z
Câu 3‹<t<=AZFGA8GA

3!ABA8=‡;A";AI#
$!ABA8=‡A";<BAI#
/!8G>:A
!8GAB
Câu 4)9B>`AY6A9Yg'fZ9n
3qCZrZ9:;;A";AI#=#L=UFGA8GA9:;;A";AI#y
$qCZrZ9:;;A";AI#=#yUFGA8GA9:;;A";AI#=#L=
/qGA8GA9:;;A";AI#=#y=AI#=#L=
qCZrZ9:;;A";AI#=#y=AI#=#L=
Câu 5t?;AFCAI#=#L=;;8>|FQ
3,=#L===#y
$/79BG8_(
//79BG8_cd
/79B|_cd
5. Bài tập về nhà
<ABAAI`AJ6==A{66=Z
•••••
••••••
,YZ••••••
BÀI 36: PHÁT TRIỂN Ở THỰC VẬT CÓ HOA
PHIẾU HỌC TẬP
,AV‡&9F=C9:;;A";AI#y=#UAI#=#L==AI#
88G=8=6oI<!AI#8t?;AFe9;>I#
Phân loại cây theo
quang chu kỳ
Cây ngày ngắn Cây ngày dài Cây trung tính
|FQA7
9BAI#;;
GLM
ĐÁP ÁN PHIẾU HỌC TẬP

Phân loại cây theo
quang chu kỳ
Cây ngày ngắn Cây ngày dài Cây trung tính
|FQA7
9BAI#;;
‘8_cd ,|_cd qPM8XA
=>|FQA7
9B
GLM HALHAU>5
8_U\UZG;U
A=8GZUA=
=UA=J8U;
L7UA"A>U
8;<ULI
8I#
/=A;U<!AU>5U
L_U>€
8|