BIOLOGY 2nd Year Filal Revision (First term)
Choose the correct answer:
1-The photosynthesis products that considered as the primary substances for
respiration are ………… .
a. C6H12O6, O2 b. H2O, C6H12O6 c. NADP, O2 d. ATP, NADPH2
2-The number of Adenosine triphosphate molecules that formed in one Krebs cycle is
…………….. molecule (s)
a. 1 b. 2 c. 12 d. 13
3-When a person suffers from an inflammation in the appendix, the number of ……….
Increases in his blood.
a. enzymes b. white blood cells c. blood platelets d. red blood cells
4-PGAL compound is formed inside the ………… .
a. stroma and mitochondria b. stroma and cytosol
c. grana and mitochondria d. stroma only
5-The exit of water drops from the stump if a plant stem is cut very near to the soil
level.
a. exudation b. imbibition c. diffusion d. permeability
6-The oxidative phosphorylation process occurs in the …………….. .
a. nucleus b. endoplasmic reticulum c. cytoplasm d. mitochondria
7-From the proteins that present in the blood plasma is (are) …………… .
a. albumin b. globulin c. fibrinogen d. all the previous
8-CO2 molecule is released as a result of the ……………… .
a. glycolysis b. alcoholic fermentation c. electron transport d. all the previous
9-From the elements that enter in the structure of chlorophyll molecule is ………. .
a. magnesium b. iron c. sodium d. calcium
10- The substance that is secreted by the liver and participte in blood clotting is ….. .
a. thromboplastin b. heparin c. fibrin d. prothrombin
11- From the examples of macro-nutrients that absorbed by the plant from the soil is .….
a. zinc b. copper c. iron d. aluminium
12- The electron transport reactions occur in the …………… of mitochondria.
a. inner membrane b. matrix c. cristae d. (a) and (c)
13- The systemic circulation starts from the left ventricle and ends in the ……….. .
a. right ventricle b. left atrium c. right atrium d. liver
14- The organ that does not secrete digestive enzymes is ……………… .
a. stomach b. pancreas c. oesophagus d. small intestine
15- Glycolysis process occurs in the …………….. .
a. centrosome b. ribosome c. mitochondria d. cytosol
16- The minimum blood pressure in blood capillaries and venules is …….. mmHg.
a. 10 b. 5 c. 2 d. zero
17- The digestion of starch starts in …………… .
a. mouth b. oesophagus c. stomach d. small intestine
18- Which of the following food substances doesn´t reach the blood directly?
a. glucose b. water soluble vitamins c. fatty acids d. amino acids
19- The bicuspid valve is found …………… .
a. between the right atrium and the right ventricle b. at the beginning of aorta
c. between the left atrium and the left ventricle d. at the beginning of pulmonary artery
20- The substance that doesn´t provide the cell with energy is (are) ……. .
a. lipids b. proteins c. water d. carbohydrates
21- The third blood vessel through which the blood passes, after its exit from the kidney
is ……. .
a. portal vein b. pulmonary artery c. aorta d. inferior vena cava
22- The action of ptyalin enzyme stops in the stomach due to ………….. .
a. lack of enzyme amount b. difference in temperature
c. conversion of all carbohydrates into maltose d. difference in pH.
23- The pyloric sphincter is found between the ………… in human digestive system.
a. oesophagus and stomach b. stomach and duodenum
c. duodenum and ileum d. ileum and colon
24- The green plant is an autotrogh that absorbs water and glucose from the soil, ……. .
a. the two statements are correct and related.
B. the two statements are correct and unrelated.
C. the two statements are wrong
d. the first statements is correct and the second statement is wrong.
25- Plants get atmospheric oxygen and get rid of carbon dioxide depending on the …… .
a. osmosis b. selective permeability c. diffusion d. active transport
26- The juice that doesn´t contain digestive enzymes is …………. Juice.
a. gastric b. intestinal c. pancreatic d. bile
27- The substance that prevents blood clotting is ……………. .
a. prothrombin b. heparin c. fibrin d. thromboplastin
28- All the following indicate the occurrence of anaerobic respiration in the muscle,
except the ………… .
a. increasing lactic acid in the blood b. decreasing of oxygen in the blood
c. muscle fatigue d. consumption of large amount of glucose.
29- The first stable chemical compound produced in photosynthesis process is …. .
a- ATP b- NADP c- PGAL d- FAD
30- The pyruvic acid is reduced to form ………….. .
a. PGAL b. CO2 and ethanol c.fructose-1,6-diphosphate d. malic acid
31- Pyruvic acid is oxidized to ……………. .
a- Acetyl group b- malic acid c- fructose, 1-6, diphosphate d- CO2 and ethanol.
32- The artery that carries deoxygenated blood is …………… .
a. aorta b. pulmonary artery c. hepatic artery d. renal artery
33- The xylem vessels are narrow and through which water is transported by capillary
phenomenon.
a. the two statements are correct and related.
b. the two statements are correct and unrelated.
d. the first statements is wrong and the second statement is correct.
d. the first statements is correct and the second statement is wrong.
34- The active oxygen that represents a part of electron transport system, enters as an
atom in a ………………. Molecule.
a. glucose b. water c. carbon dioxide d. pyruvic acid.
35- The element that enters in the structure of energy carrier compound is ……… .
a. iron b. magnesium c. phosphorous d. zinc
36- The bile juice in human affects on the ………….. .
a. proteins b. disaccharides c. starch d. lipids
37- The rate of respiration increases automatically, when ……….. .
a. the level of carbon dioxide increases. b. the blood pH increases
c. the level of hemoglobin in the red blood cells decreases d. the blood acidity increases
38- The teared root hairs are compensated from the ……………… .
a. meristematic zone b. maturation zone c. elongation zone d. coleoptric zone
39- Blood plasma contains …………… .
a. glucose b. amino acids c. hormones d. all the previous
40- The scientist who could collect the contents of sieve tubes to identify them with the
help of Aphid insect is ……………. .
a. Mittler b. Rapiden c. William Harvey d. Malpighi
41- The number of ATP molecules that result from converting the succinic acid into
malic acid is …………….. .
a. 1 b. 2 c. 3 d. 4
42- All these living organisms are Heterotrophic except ……………. .
a- plants b- bacteria c- man d- cats
43- All these living organisms are Holozoic ……….. .
a- man b- bilharzia worms c- dogs d- horses
44- The movement of water through plasma membrane takes place by …..
a - Osmosis b - Active transport c- Diffusion d- Imbibition
45- All the following substances prevent the passage of water and ions (Impermeable)
through walls except ……
a- Cellulose b.Subrin c.Cutin d.Lignin
46- Root cells absorb ions against concentration gradient by ….. .
a- Active transport b.Imbibition c- permeability d- Diffusion
47- Root cells absorb ions and molecules by ………………..
a-Diffusion b-Selective permeability c-Active transport d-All the previous.
48- Ions concentration inside the cells of Nitella algae are ……………….. .
a- Large b- Small c- Equal d- Different
49- Cats, dogs and eagles are examples of ……………… living organisms.
a- Carnivores b- Herbivores c- Omnivores d- all the previous
50- All the followings are macronutrients except ………….. .
a- Nitrogen b- Potassium c- Chlorine d- Sulpher
51- When ……….. Is absent, the plant will be inable to form the energy transport
compounds.
a- Iron b- Cupper c- Iodine d- Phosphorous
52- Higher green plants absorb water and mineral salts from the soil through ……….. .
a- Cortex layer b- leaves c- root hairs d- elongation layer
53- If the concentration of K+ ions in the swamp is 1.2 X 103 ion/litre, so the
concentration of these ions in the cells of Nitella algae is ……………. ion/litre.
concentration of these ions in the cells of Nitella algae is ……………. ion/litre.
a- 1.2 X 103 b- 0.8 X 103 c- 0.12 X 103 d- 2.1 X 103
54- The lymphatic vessels empty the lymph into the circulatory system along the……
vein.
a. inferior vena cava b. superior vena cava c. hepatic d. pulmonary
55- The non lignified parts in xylem vessels are called …….. .
a- pits b- lenticels c- tracheids d - sieve plates
56- Oxidation of one molecule of glucose in presence of oxygen in aerobic respiration
produces ………. ATP in cytoplasm of the cell.
a. 36 b. 28 c. 2 d. 1
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