Mina Maged Helmy Abdallah
نتيجة الإختبار - Grade 10 General Exam on lipids Exam 4
اسم الطالب : Mina Maged Helmy Abdallah
المدينة : 34
Wednesday , 6 October 2021 - 08:55 PM5 من 10
السؤال - 1
All the following are soluble in benzene, except the ...............
a. waxes.
b cholesterol.
c. steroids.
d. cellulose.
إجابة صحيحة
السؤال - 2
If you knew that the saturated fatty acids contain single covalent bonds only between the carbon atoms, while the unsaturated fatty acids contain single and double covalent bonds between the carbon atoms, according to this, answer the following questions : Which of the following is from the characteristics of oils ? ......
a. They contain a greater number of hydrogen atoms than fats.
b. They contain a smaller number of hydrogen atoms than the fats.
c. They are solid at room temperature.
d. They are present in plants only.
إجابة صحيحة
السؤال - 3
The oil differs from the fat in ...............
a. the presence of carbon and hydrogen.
b. its commonness in animal than the plant.
c. its commonness in plant than the animal.
d. the of alcohol that enters in its structure.
إجابة خاطئة
السؤال - 4
The reason for the solid nature of fats is the .......
a. increase in hydrogen atoms.
b. decrease in hydrogen atoms.
c. presence of alcohols with three hydroxyl groups.
d. presence of monohydric alcohols.
إجابة خاطئة
السؤال - 5
Which of the following biological molecules consist of fatty acids and glycerol ? ........
a. Oils only.
b. Phospholipids only.
c. Waxes only.
d. Oils and phospholipids.
إجابة خاطئة
السؤال - 6
From the hormones that are considered lipids and have a role in the human sexual maturity is……..
a. Phospholipids
b. Steroids
c. fats
d. Waxes
إجابة صحيحة
السؤال - 7
The molecule whose chimical formula is (C27H45OH) could be …….
a. Glycogen
b. Phospholipids
c. cholesterol
d. Starch
إجابة صحيحة
السؤال - 8
All the following result from the hydrolysis of simple and complex lipids, except the ….
a. cholesterol.
b. testosterone hormone.
c. estrogen hormone.
d. Phospholipids.
إجابة خاطئة
السؤال - 9
A living cell needs energy that equals (X) and results from the oxidation of 5 g of glucose, and in order for the cell to obtain the same amount of energy in case of the absence of glucose, it uses an amount of fatty acids that equals about .................
a. 3
b. 5
c. 10
d. 15
إجابة صحيحة
السؤال - 10
If you knew that the complete oxidation of glucose molecule produces 38 ATP molecules, therefore the complete oxidation of a fatty acid molecule produces ....... ATP molecules.
a. 28
b. 30
c. 38
d. more than 38
إجابة خاطئة