Which of the following is correct statement ?
1. Starch is a polymer of a-glucose
2. Amylose is a component of celulose
3. Proteins are composed of only one type of amino acid
4. In cyclic structure of fructose, there are 6 carbons and one oxygen atom
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGlucose molecule reacts with 'X' number of molecules of phenylhydrazine to yield
osazone. The value of 'X' is
1. four
2. one
3. two
4. three
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of molecules of ATP produced in the lipid metabolism of a molecule of
palmitic acid is
1. 130
2. 36
3. 56
4. 86
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn amine among the following that acts as hormone is :
1. Thyroxine
2. Oxypurin
3. Insulin
4. Progesterone
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe hormone that contains iodine is :
1. Insulin
2. Testosterone
3. Adrenaline
4. Thyroxine
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChemically considering digestion is basically
1. anabolism
2. hydrogenation
3. hydrolysis
4. dehydrogenation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is a peptide hormone?
1. Glucagon
2. Testosterone
3. Thyroxin
4. Adrenaline
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich is not a true statement?
1. a-carbon of a-amino acid is asymmetric except glycine
2. All proteins are found in L-form
3. Human body can synthesis ll proteins they need
4. At pH = 7 both amino and carboxylic groups exist in ionised form
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySucrose in water is dextrorotatory, when boiled with dil.HCl, the solution becomes leavorotatory, In this process the sucrose breaks into
1. L-glucose + D-fructose
2. L-glucose + L-fructose
3. D-glucose + D-fructose
4. D-glucose + L-fructose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGlycolysis is
1. oxidation of glucose to pyruvate
2. conversion of glucose to haem
3. oxidation of glucose to glutamate
4. conversion of pyruvate to citrate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology