Grade 10 General exam on Unit 1 Lesson 1 Exam #3

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سؤال رقم - 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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سؤال رقم - 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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سؤال رقم - 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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سؤال رقم - 4

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

a. C3H6O3

b. C6H12O6

c. C12H22O11

d. C18H32O16

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سؤال رقم - 5

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

a. sucrose.

b. glucose.

c. Fructose.

d. galactose

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سؤال رقم - 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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سؤال رقم - 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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سؤال رقم - 8

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

a. starch.

b. glycogen.

c. glucose.

d. ATP

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سؤال رقم - 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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سؤال رقم - 10

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

a. Starch

b. Cellulose

c. glycogen

d. Sucrose.

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Grade 10 General exam on Unit 1 Lesson 1 Exam #3

إختر الإجابة الصحيحة

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

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

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

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

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

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.

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

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

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

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

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