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It's urgent. . . . . Biological answers to the second diagnostic test in grade three in Urumqi. . . . . In urgent need. . . . . . . . .
A, multiple-choice questions (this big topic ***20 small questions, each small question 2 points, ***40 points. There is only one option for each small question.

Title number

1

2

three

four

five

six

seven

eight

nine

10

answer

B

C

A

D

A

B

B

C

D

D

Title number

1 1

12

13

14

15

16

17

18

19

20

answer

C

A

B

C

B

B

D

D

C

B

Second, short answer questions

(1) Required question (this question includes 5 small questions, unless otherwise specified, each blank is 1 and ***45).

2 1.(9 points) (1)B (2)A, b

The plasma wall separation (or recovery) of ribosomes (4) with scores (3) A and B is not.

(5) The nucleus is mainly green, and the cytoplasm is mainly red (full score)

(6) green body matrix of mitochondrial inner membrane leaves

22. (11) CO2 concentration light intensity enzyme activity.

(2)L 1 (3) upper left light intensity temperature

(4)4 (5)4 7 10

23. (11) (1) DDrr or ddrr (each 1) 3

(2) i. ddrr and DDRR. Yellow selfing

Ⅲ. Red selfing Ⅳ. Character separation

(3)①3∶ 10 ② 5/9

24.(6 points) (1) No need (2) presence or absence of coleoptile tip.

(3) The part that feels light stimulation is the top of coleoptile.

(4) Cytokinin and gibberellin abscisic acid

(5) selective expression of genes

25.(8 points) (1) wasteland wheat field

(2) competition

(3) 100

(4) ① Loss of respiration ② Utilization by decomposers

(5) Negative feedback

(2) Select the test questions (*** 15)

26. Biology I Elective Module L: Biotechnology Practice (15)

(1) Sterilization of nitrogen source and vitamin pH

Combustion sterilization, high pressure steam sterilization (dry heat sterilization, boiling sterilization, pasteurization) (optional 2 items)

Reverse pollution by dilution coating plate method and plate scribing method

(2) introducing aerobic bacteria at 30-35 DEG C; (3) Biofilm

27. Biology Elective Module 3: Modern Biotechnology (15)

(i) restriction endonucleases DNA ligase microinjection method They use a set of genetic codes.

(2) DNA molecule of promoter terminator hybridizes with inner cell mass of embryo division and transplantation.

(3) plasma proliferates indefinitely to produce specific antibodies.

(4) Plant tissue culture with high totipotency

(5) chloroplast or mitochondrial genome