آسر أحمد ماهر الجوهري

نتيجة الإختبار - Grade 10 General exam on Unit 1 Lesson 1 Exam #3

اسم الطالب : آسر أحمد ماهر الجوهري

المدينة : 55

Wednesday , 2 November 2022 - 08:20 PM

5 من 10

السؤال - 1

1. "All the mineral salts contain carbon atoms", "the mineral salts are from the organic molecules",.........

a. The two statements are correct.
b. the two statements are wrong.
c. the first statement is correct, and the second statement is wrong.
d. the first statement is wrong, and the second statement is correct.
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السؤال - 2

2, In the chloroplast and during the photosynthesis process, a large number of glucose molecules are formed and stored in a process called ..............

a. Oxidation.
b. Reduction.
c. polymerization
d. Hydrolysis.
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السؤال - 3

3. if you know that the number of hydrogen atoms in monosaccharide is (X), the number of carbon atoms equals……..

a. 1/2X
b. X^2
c. 2X
d. 3X
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السؤال - 4

4. Which of the following is considered as a disaccharide sugar?.......

a. C3H6O3
b. C6H12O6
c. C12H22O11
d. C18H32O16
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السؤال - 5

5.The sugar molecule that contains 12 carbon atoms is .........

a. sucrose.
b. glucose.
c. Fructose.
d. galactose
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السؤال - 6

6. On the hydrolysis of 20 molecules of maltose sugar, 10 molecules of lactose sugar and 10 molecules of sucrose sugar. So, the total number of glucose, fructose and galactose is ………. respectively.

a. 40/20/10
b. 50/10/30
c. 20/30/10
d. 60/10/10
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السؤال - 7

7. The direct source of stored energy in ATP molecules that is required for the concentration of skeletal muscles is the……..

a. Protein
b. Glucose
c. starch
d. Glycogen
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السؤال - 8

8. The direct storehouse of energy in muscles is .........

a. starch.
b. glycogen.
c. glucose.
d. ATP
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السؤال - 9

9. After the digestion of bread, the excess of the human body needs is stored in the form of …..

a. Cellulose
b. glycogen
c. starch
d. glucose.
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السؤال - 10

10. In the opposite figure, the compound (x) is………

a. Starch
b. Cellulose
c. glycogen
d. Sucrose.
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