A- 4 B- 8 C- 16 D- 32 E- 64
A-Formation of chromosomes from two chromatids
B-Replication of DNA molecules
C- Separation of sister chromatids
D- Separation of homologous chromosomes
E- Division of cytoplasm into two
3-Which of the following is a difference between mitosis and meiosis ?
A-Replication of DNA B-Formation of spindle fibers C-Location of chromosome on equator of cell
D- Shortening and thickening of chromosomes
E- Formation of chromatids
4-Which of the following is the name of exchance of parts between homologous chromosomes ?
A- Crossing-over B-Translation C-Transcription
D- Linked-genes E- Transpiration
5-Which isnt correct for meiosis ?
A- It reduces the chromosome number into half
B- Occurs only in plant cell
C- Occurs only in reproductive cells
D- Four cells form at the end of the meiosis
E- Involves two divisions
6- I- Different number of chromosome
II- Different structure of chromosome
III- Increasing in number of varieties
Which one is seen at the and of the crossing-over ?
a) I b) II c) I-II d) I-III e) II-III
7-Which of the following best describes the energy carrier capacity?
a)Cytochromes-FAD-NAD-O2 b)FAD-NAD-Cytochromes-O2 c)NAD-Cytochromes-O2-FAD d)Cytochromes-NAD-FAD-O2 e)NAD-FAD-Cytochromes-O2
8-Examine the following list of molecules.
I-ATP II-ADP III-CO2 IV-NADPH+H
Which of the molecules listed above are produced during the
dark phase of photosynthesis ?
A- II and III B- I and IV C- II and IV D- IV E- II
9- 1. Anaerobic reactions
2. Cyclic photophosphorylation
3. Noncyclic photophosphorylation
In which of the above reactions are other molecules not broken down?
A) Only 1 B) Only 2 C) Only 3 D) 2 and 3 E) 1-3
10-During the light phase of photosynthesis , the following events occur:
I-Synthesis of ATP II-Utilisation of light
III-NADPH2 synthesis IV-H2O synthesis
Which of the events above are shared by both cyclic and noncyclic photophosphorylation ?
A-I - II B- I - III C- III - IV D- II - IV E- I - IV
11-In which of the following plant organs is photosynthesis fastest ?
A-Spongy parenchyma B-Cuticle C-Epidermis
D-Palisade parenchyma E-Phloem vessels
12- In which of the following parts of leaf doesnt photosynthesis take place?
1.Palisade layer 2.Stoma 3.Epidermis 4.Vein 5.Spongy layer
13-Dark reaction of photosynthesis takes place in .
14-Which of the followins is genetic factor affecting photosynthesis?
A-Light intensity B-Tick of leaf C-Amount of water D-Temparature E- None
*15- A diploid cell (2n=10) divides two times by mitosis and then each of the formed cells divides by meiosis. What would be the number of cells and number of chromosomes in each cell at the and of the divisions ?
Cells number Chromosomes
a) 16 5
b) 4 10
c) 16 10
d) 4 5
e) 32 10
*16- Which of the following cells is formed as a result af meiosis
A- Muscle cells B- Skin cells C- Egg cells
D- Nerve cells E- Blood cells
17- Homologous chromosomes are
A- Sister chromosomes B- Contain different information
C- Brother chromosomes
D- Contain half of each others chromosomes
E- Contain same information in same order
18- 1- Meiosis 2- Mitosis 3- Asexually reproduction
Which of the above cause genetic variety in living things ?
A- 1,2 B- 2,3 C- 2 D- 1,2,3 E- 1
19- Crossing-over occurs in..
A- Interphase I B- Prophase I C- Prophase II
D- Anaphase II E- Anaphase I
20- Which of the following is a difference between mitosis in plant and animal cells?
A-Thickening of chromosomes B-Replication of DNA C-Division of cytoplasm D-Separation of chromatids . E-Location of chromosomes
A- 88 B- 22 C- 44 D- 22: 11 E- 22+11
22-In plant cells, spindle fibers are formed by
23- Growth and asexually reproduction occur by means of.
24-Which of the following structures doesnt take role in the cell division?
25- (n=8) at a diploid cell of an organisms. How many chromatids are there at the mitosis of this cell?
EACH ONE IS 4 POINTS
TIME: 35 MIN
AHMET KALALI