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Quiz 2
Mdcat-past-papers - ETEA - Biology Quiz
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Board: ETEA | Subject: Biology |
21. All are properties of water. EXCLUDING:
Universal solvent
Polar nature
Hydrogen bonding
becomes denser as it freezes
22. Which property of water helps to maintain the fluidity of membrane?
Specific heat capacity
Hydrogen bonding
Cohesion and adhesion
Hydrophobic Exclusion
23. Carbohydrates are organic molecules and contains three elements:
Carbon, Water,Oxygen
Carbon,Sulphur,Hydrogen
Carbon,Hydrogen,Oxygen
None are correct
24. Which one is an example of disaccharides?
Lactose
Glycogen
Starch
Fructose
25. Polysaccharides in plants are synthesized by the process of:
Hydrolysis
Oxidation
Condensation
Glycolysis
26. Glyceraldehyde and dihydroxyacetone are examples of:
Triose
Tetrose
Pentose
Hexose
27. Erythrose is a type of monosaccharides which is commonly is known as :
Triose
Pentose
Tetrose
heptose
28. Glycosidic linkage between glucose and fructose is :
Alpha-1,Beta-2
Alpha-1,Alpha-4
Alpha-1,beta 4
Beta 1 -4
29. Percentage of glucose normally in human body is:
8%
1.80%
0.80%
0.08%
30. Polysaccharide found most commonly in grains and seeds is:
Starch
Glycogen
Pectin
Dextrin
31. The most abundant organic compound on the planet earth is:
Starch
Glycogen
Glucose
Cellulose
32. The molecule used by most of the animals for long term energy storage is :
Glycogen
Starch
Fat
Cholesterol
33. Carbohydrates contain:
C,H,O
C,O,N
C,P,N
N,S,Al
34. Acyl-glycerols like fats and oils are esters formed by condensation reaction between:
Fatty acids + Water
Fatty acids + Glucose
fatty acids + Alcohol
Fatty acids + Phosphates
35. Which lipid is totally hydrophobic or insoluble:
Triglycerides
Phospholipids
Waxes
Terpenoids
36. When glycerol reacts with fatty acid, which type of chemical bond will form ?
Ester Bond
Ether Linkage
Hydrogen bond
Ionic Bond
37. Triose and glycerol is used in the synthesis of :
Carbohydrate
Protein
Lipid
Fatty acid
38. What is the ester of fatty acids and long chain alcohol called?
Acylglycerol
Phospholipid
Glycercol
Wax
39. Which type of leucoplast stores lipids:
Amyloplast
Elaioplast
Proteinoplast
Etioplast
40. Lecithin is formed by combining phosphatidic acid with:
Serine
Choline
Inositol
Ethanol amine
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