Bài kiểm tra học kì I môn : hoá học 9 . thời gian: 45 phút

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Tr­êng THCS §«ng S¬n Thø 2 ngµy 21 th¸ng 12 n¨m 2009 
 bµi kiÓm tra häc k× I 
 Moân : Ho¸ häc 9 . Thêi gian: 45 phót
A. Ma tr©n.
 Yªu cÇu 
Néi dung
NhËn biÕt
Th«ng hiÓu
VËn dông
Tæng
TN
TL
TN
TL
TN
TL
1. Ch­¬ng I “ §¹i c­¬ng vÒ kÜ thuËt trång trät”
0,5
1,5
0,25
2,25
2. Ch­¬ng II: “Kim lo¹i”
1,0
1,0
4,5
0,25
1,0
7,75
Tæng
0,5
1,0
1,0
6,0
0,5
1,0
10,0
 B. §Ò bµi: 
I. Tr¾c nghiÖm
 C©u 1: Chän ®¸p ¸n ®óng
 1. Ph©n h÷u c¬ gåm:
a. ph©n vi sinh 
b. ph©n chuång, ph©n b¾c, ph©n r¸c
c. ph©n ®¹m, ph©n l©n
d. c¶ a, b, c
 2.Vai trß cña trång trät
a. cung cÊp, l­¬ng thùc, thùc phÈm 
b. cung cÊp thøc ¨n cho ch¨n nu«i
c. cung cÊp nguyªn liÖu cho c«ng nghiÖp vµ n«ng s¶n cho xuÊt khÈu
d. c¶ a, b, c
 3. Lu©n canh cã t¸c dông:
a. t¨ng chÊt l­îng n«ng s¶n 
b. t¨ng ®é ph× nhiªu cña ®Êt
c. tËn dông ®­îc ¸nh s¸ng
d. ®iÒu hoµ dinh d­ìng, gi¶m s©u bÖnh
 4. Lóa nªn thu ho¹ch vµo giai ®o¹n nµo?
a. h¹t võa, ch¾c 
b. h¹t chÝn, b«ng rñ
c. h¹t chÝn, vµng ®Òu
d. chÝn ®Çu b«ng
 C©u 2: §iÒn ®óng( §), sai (S) vµo ®Çu c©u.
1. Khi gi©m cµnh nguêi ta th­êng tØa bít l¸ ®Ó h¹n chÕ sù tho¸t h¬i n­íc
2. Rau c¶i b¾p nªn thu ho¹ch lóc b¾p cuèn dµy.
3. Xen canh lµm cho ®Êt t¬i xèp vµ gi¶m s©u bÖnh.
4.T¨ng vô gãp phÇn t¨ng thªm s¶n phÈm thu ho¹ch
II.Tù luËn:
C©u 1: Cã mÊy c¸ch ®Ó s¶n xuÊt gièng c©y trång b»ng nh©n gièng v« tÝnh? Nªu ®Æc ®iÓm c¬ b¶n cña c¸c ph­¬ng ph¸p ®ã ? 
C©u 2: Tai sao ph¶i tiÕn hµnh xö lý h¹t gièng tr­íc khi gieo trång? Cã mÊy ph­¬ng ph¸p xö lý h¹t gièng?
C©u 3: Nªu môc ®Ých, ph­¬ng ph¸p chÕ biÕn n«ng s¶n? LÊy vÝ dô víi mçi ph­¬ng ph¸p
C©u 4: Lu©n canh lµ g×? Cã mÊy l¹i h×nh lu©n canh? T¸c dông cña lu©n canh. ë ®Þa ph­¬ng em cã ¸p dông ph­¬ng thøc canh t¸c nµy kh«ng? LÊy vÝ dô?
C. §¸p ¸n vµbiÓu ®iÓm chÊm c«ng nghÖ 7.
A. Tr¾c nghiÖm : 2 ®iÓm
 C©u 1:(1 ®iÓm). Mçi ý ®óng 0,25 ®iÓm 
1- b
2- d
3- b
4- b
 C©u 2 : A . (1 ®iÓm).
1- §
2- §
3- S
4- §
B. PhÇn tù luËn: 8 ®iÓm 
C©u
Néi dung
§iÓm
1
S¶n xuÊt cÇy trång b»ng nh©n gièng v« tÝnh cã c¸c ph­¬ng ph¸p sau : 
 - Gi©m cµnh : Tõ 1 ®o¹n cµnh c¾t rêi khái th©n mÑ ®em gi©m vµo c¸t Èm sau 1 thêi gian tõ cµnh gi©m h×nh thµnh rÔ.
 - GhÐp m¾t (ghÐp cµnh ): LÊy m¾t ghÐp (cµnh ghÐp) ghÐp vµo mét c©y kh¸c( gèc ghÐp). 
 - ChiÕt cµnh : Bãc 1 khoanh vá cña cña cµnh sau ®ã bã ®Êt l¹i khi cµnh ®· ra rÔ th× c¾t cµnh khái mÑ vµ trång xuèng ®Êt.
0,5 ®iÓm
0,5 ®iÓm
0,5 ®iÓm
2
- Xö lý h¹t gièng cã t¸c dông kÝch thÝch h¹t n¶y mÇm nhanh vµ diÖt trõ s©u bÖnh cã trong h¹t.
- cã 2 ph­¬ng ph¸p xö lý h¹t gièng: 
+ xö lý b»ng nhiÖt ®é
+ xö lý b»ng ho¸ chÊt.
1 ®iÓm
0,5 ®iÓm
0,5 ®iÓm
3
- Môc ®Ých chÕ biÕn n«ng s¶n: ®Ó h¹n chÕ sù hao hôt vÒ sè l­îng vµ gi¶m sót chÊt l­îng n«ng s¶n.
- C¸c ph­¬ng ph¸p chÕ biÕn. Mçi ý ®óng, cã vÝ dô: 0,5 ®iÓm
 ( thiÕu vÝ dô: 0,25 ®iÓm)
 + SÊy kh« : Lóa, ng«, ®Ëu, rau, qu¶.
 + ChÕ biÕn thµnh bét mÞn hay thµnh tinh bét: s¾n, ®Ëu ®ç
 + Muèi chua: hµnh, rau c¶i...
 + §ãng hép: d­a chuét 
1 ®iÓm
0,5 ®iÓm
0,5 ®iÓm
0,5 ®iÓm
0,5 ®iÓm
4
+ Lu©n canh lµ c¸ch tiÕn hµnh gieo trång lu©n phiªn c¸c lo¹i c©y trång kh¸c nhau trªn mét ®¬n vÞ diÖn tÝch.
+ C¸c lo¹i h×nh lu©n canh : 
- Lu©n canh gi÷a c¸c c©y trång c¹n víi nhau.
- Lu©n canh gi÷ c¸c c©y trång c¹n vµ c©y trång n­íc.
+ VD : 
Tõ th¸ng 5-9 : cÊy lóa mïa.
Tõ th¸ng 9-12 : trång ng«.
Tõ th¸ng 12-5 : N¨m sau trång lóa xu©n
( HS cã thÓ lÊy vÝ dô kh¸c )
1 ®iÓm
0,5 ®iÓm
0,5 ®iÓm
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