Kiểm tra định kỳ sinh 9 kỳ II

Trờng THCS Bến Quan
Họ và
Tên :..................................
Lớp :......................................
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Thứ ....ngày ...Tháng ...Năm 2009
Kiểm tra một tiết
Môn :
Sinh 9
Điểm Lời phê của thầy , cô giáo
A. Phn trc nghim: (3)
Hóy chn phng phng ỏn ỳng
1.Cỏc con cỏ chộp trong h nc cú mi quan h gỡ?
a. Cnh tranh b. Cng sinh
c. Va cnh tranh va cng sinh d. Hi sinh
2. Du hiu no sau õy khụng phi l du hiu c trng ca qun th?
a. Mt b. nhiu
c. Cu trỳc tui d. T l c cỏi
3. Tp hp nhng cỏ th sinh vt no l qun th sinh vt?
a. Cỏc cỏ th cỏ chộp hai h nc khỏc nhau
b. Cỏc cõy lỳa trong 2 rung lỳa
c. Tp hp cỏc cỏ th cỏ chộp, cỏ mố, cỏ trụi, cỏ trm...trong mt h nc
d. Cỏ th voi, h, bỏo....trong rng.
4. Nguyờn nhõn phỏ hoi nhiu dn n nh hng h sinh thỏi bin l:
a. Sn bt quỏ mc ng vt bin
b. Phỏ rng ngp mn nuụi tụm
c. Phỏ rng ngp mn xõy dng khu du lch
d. Cỏc cht thi ụng nghip theo sụng ra bin
5. Phng phỏp chn lc cú s kt hp gia kiu gen ln kiu hỡnh l:
a. Chn lc ch nh b. Chn lc hng lot
c. Chn lc kiu gen d. Chn lc cỏ th

6. Hin tng khụng xut hin khi cho vt nuụi giao phi cn huyt l:
a. Sc sinh sn gim
b. Con chỏu xut hin c im u th so vi b m
c. Xut hin quỏi thai, d hỡnh
d. To ra nhiu kiu gen mi trong qun th
B. Phn t lun: (7)
1. u th lai l gỡ? Cho vớ d. (2)
2. Th no l mt qun th? Mt qun th tng hay gim ph thuc vo yu t
no? Cho vớ d (3)
3. Ti sao trng cõy cnh trong nh, thnh thong a ra ngoi ỏnh nng? (2)
Bà i l àm
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đề Lẻ
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Trờng THCS Bến Quan
Họ và
Tên :..................................
Lớp :......................................
......
Thứ ....ngày ...Tháng ...Năm 2009
Kiểm tra một tiết
Môn:
Sinh 9

Điểm Lời phê của thầy , cô giáo
A. Phn trc nghim: (3)
Hóy chn phng phng ỏn ỳng
1. Nguyờn nhõn phỏ hoi nhiu dn n nh hng h sinh thỏi bin l:
a. Sn bt quỏ mc ng vt bin
b. Phỏ rng ngp mn nuụi tụm
c. Phỏ rng ngp mn xõy dng khu du lch
d. Cỏc cht thi ụng nghip theo sụng ra bin
2. Phng phỏp chn lc cú s kt hp gia kiu gen ln kiu hỡnh l:
a. Chn lc ch nh b. Chn lc hng lot
c. Chn lc kiu gen d. Chn lc cỏ th
3. Hin tng khụng xut hin khi cho vt nuụi giao phi cn huyt l:
a. Sc sinh sn gim
b. Con chỏu xut hin c im u th so vi b m
c. Xut hin quỏi thai, d hỡnh
d. To ra nhiu kiu gen mi trong qun th
4.Cỏc con cỏ chộp trong h nc cú mi quan h gỡ?
a. Cnh tranh b. Cng sinh
c. Va cnh tranh va cng sinh d. Hi sinh
5. Du hiu no sau õy khụng phi l du hiu c trng ca qun th?
a. Mt b. nhiu
c. Cu trỳc tui d. T l c cỏi
6. Tp hp nhng cỏ th sinh vt no l qun th sinh vt?
a. Cỏc cỏ th cỏ chộp hai h nc khỏc nhau
b. Cỏc cõy lỳa trong 2 rung lỳa
c. Tp hp cỏc cỏ th cỏ chộp, cỏ mố, cỏ trụi, cỏ trm...trong mt h nc
d. Cỏ th voi, h, bỏo....trong rng.
B. Phn t lun: (7)
1. Gii hn sinh thỏi l gỡ? Cho vớ d. (2)
2. Th no l qun xó sinh vt? Nờu cỏc du hiu in hỡnh ca qun xó? (3)

3. Trong 2 nhúm sinh vt hng nhit v bin nhit, sinh vt thuc nhúm no cú kh
nng chu ng cao s thay i nhit ca mụi trng? Ti sao? (2)
Bài làm
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