Biologiya fanidan 9 – sinf uchun test savollari Mendelning 1-qonuni nimani ifodalaydi?

18. Ildiz g‘ilofi – ildiz qinchasi qanday vazifalarni bajaradi?

A) Ildiz

B) Popuk va yon ildizlarni so’ruvchi qismini himoya qiladi

C) Hujayrada doim bo‘linadigan ustki qismini tashqi ta‘sirotdan himoya qiladi

D) Qo‘shimcha ildizlar

19. Nima uchun o‘simlik urug‘i yumshoq yerga ekiladi?

A) Tezroq unib chiqishi uchun

B) Yer ustki qismi yaxshi rivojlanishi uchun

C) Ildiz sistemasi yaxshi shakllanishi uchun

D) Ildiz hujayralari yetarli darajada havo olishi uchun

20. Baobab hayotiy shakliga ko‘ra qanday o‘simlik?

A) Daraxt B) Yarim buta C) Buta D) Ko’p yillik o’tlar

Testlar kaliti
5 – sinf

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
D	C	D	B	D	B	D	C	D	D	C	B	A	D	A	D	B	C	D	A

6 – sinf

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
C	A	B	B	A	C	C	D	D	A	B	A	B	D	C	D	A	B	B	A

7 – sinf

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
B	C	D	D	A	C	A	D	A	A	B	C	B	C	A	D	C	C	C	D

8 – sinf

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
A	D	A	D	C	A	C	A	D	C	A	C	B	A	B	D	D	B	C	A

9 – sinf

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
A	B	C	D	C	B	D	C	D	C	D	D	C	D	B	C	D	A	D	C

To‘g‘riligiga kafolat beraman
Kafedra mudiri: M.Valixonov
Tayyorladilar: N.Mamatqulov

H.Hoshimova

№	5 – sinf	6 – sinf	7 – sinf	8 – sinf	9 – sinf
1	D	C	B	A	A
2	C	A	C	D	B
3	D	B	D	A	C
4	A	B	D	D	D
5	D	A	A	C	C
6	B	C	C	A	B
7	D	C	A	C	D
8	C	D	D	A	C
9	D	D	A	D	D
10	D	A	A	C	C
11	C	B	B	A	D
12	B	A	C	S	D
13	A	B	B	B	C
14	D	D	C	A	D
15	A	C	A	B	B
16	D	D	D	D	C
17	B	A	C	D	D
18	C	B	C	B	A
19	D	B	C	C	D
20	B	A	D	A	C