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Quiz 43
Mdcat-past-papers - UHS Quiz
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Board: UHS |
841. Which carbohydrates are more sweet in taste?
Polysaccharides
disaccharides
monosaccharides
oligosaccharides
842. Which of following are instant source of energy in living organisms like glucose? Their general formula is :
C(H2O)Y
C(H2O)X
CX(H2O)X
C(H2O)Y
843. The most important hexose in nature is:
Fructose
Glucose
Starch
Cellulose
844. Which of the following is not a carbohydrate?
glucose
sucrose (C12H22O11)
rhamnose (C6H12O5)n
Lactic acid (C3H6O3)
845. If in lipids there is higher proportion of unsaturated fatty acids then it will be:
Oils
Waxes
Phenols
Fats
846. The hydrophilic end of phospholipid molecule is polar because of the presence of :
Glycerol
Amine group
Fatty Acid
Phosphate group
847. The one molecule of fatty acid forming ester bond with one molecule of long chain alcohol
Saturated acylglycerol
unsaturated acylglycerol
Phospholipids
waxes
848. Which of the following compound is considered as the precursor of many hormones like testosterone, progesterone and estrogens?
Wax
cholesterol
Phospholipids
Acylglycerol
849. The glycerol is a _ carbon compound.
Three
Four
Five
Six
850. The number of amino acids that have been found to occur in cells and tissues are:
170
20
25
45
851. Which is INCORRECT about the globular proteins?
Abundantly found in hair
Have polypeptide chains
Are spherical in shape
Soluble in water
852. Sickle cell anemia is due to defect in ....... chain of haemoglobin.
Alpha chain
Beta chain
Gamma chain
Both alpha and Beta
853. Which function is not performed by proteins?
Providing structural support to cell
catalyzing biochemical reactions
transporting materials across cell membran
providing insulation against heat loss
854. Which of the following perform structural role in human body?
Enzymes
Casein
Collagen
Fibrinogen
855. Which of the following molecule contains amino acids?
Cellulose
Collagen
Sucrose
Ascorbic acid
856. Rebounding is process of straightening the curly hairs, which bond is targeted by oxidizing agents used during this process?
Peptide bond
Ionic Bond
Disulphide bridge
Hydrogen bond
857. The combination of a pentose sugar with a base result in a compound known as:
Nucleotide
Nucleoside
Nucleic acid
Polynucleotide
858. Which of the following is purine?
Guanine
Cytosine
Thymine
Uracil
859. Number of base pairs in one turn of DNA is:
10
2
34
54
860. One of the pyrimidine bases absent in DNA:
Uracil
Cytosine
Thymine
Adenine
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