9.Bitta yopiq qon aylanish doirasiga ega bo'lgan organizmlarni ko'rsating.
1) lansetnik; 2) bo'rtma nematoda; 3) iskabtopar;
4) kulrang satir; 5) podalariy; 6) o'troq dengiz ko'p tukli chuvalchangi
A) 1,2,5 B) 1,3,6 C) 1,6 D) 3,4,5
10. Qaysi organizmlarda qon kislorod tashishda ishtirok etmaydi? 1) lartsetnik; 2) bo'rtma nematoda;
3) iskabtopar; 4) kulrang satir; 5) podalariy; 6) o‘troq dengiz ko'p tukli chuvalchangi
A) 1,2,5 B) 2,3,6 C) 1,6 D) 3,4,5
11. Bronza qo'ng'izining a’zolarini bajaradigan vazifalari bilan juftlab ko'rsating;
1) hid bilish 3) ta’m bilish 5) oziqni chaynash
2) tuyg‘u 4) oziqni uzib olish
a) yuqorigi lab c) pastki jag` e) yuqorigi jag`
b) mo'ylovlari d) paypaslagichlari
A) 1-b, 2-d, 3-a, 4-f, 5-c, C) 2-d, 3-d, 4-e, 5-c
B) 1-b, 2-b, 3-d, 4-f, 5-c D) 1-b, 2-d, 3-a, 4-c, 5-f
12. Qo‘ng‘izlar (a) tagachaqanotlilar (b) turkum vakillarini juftlab ko'rsating.
1) mita 2) xonqizi 3) kallima 5) podoliy 4) belyanka
A) a-1,2; b-3,4,5, C) a-2,4; b-1,3,5
B) a-1,2,5; b-3,4 D) a-1,2,3,5; b-4
13. Yuragi oqish 3 juft teshikli (1), muskulli naysimon (2), ikki kamerali (3) organizmlarni belgilang
1) krab 4) manta 7) maxaon 2)bitiniya 5) zaxkashi
8) belyanka 3) perlovitsa 6) omar 9) Zorka
A) I-1,6 II-7,8,9 III-2,3,4,5
B) I-1,6 II-8,9 III-2,5,7
C) I-2,3,4 II-7,6,8 III-1,6,5
D) I-5,7,8 II-2,3,9 III-1,4,6
14. Qaysi organizmlarning yuragi ichagi ustida joylashgan muskulli naydan iborat
1)bitiniya 4) falanga 7) perlovitsa
2) chupchik 5) zorka 8) shinshilla
3)belyanka 6) kann
A) 1,2,4,7 B) 2,3,5 C) 5,7,6,8 D) 1,3,4,8
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