Which of the following is not a nucleoside?
1. Uridine
2. Cytidylic acid CMP
3. Thymidine
4. Guanosine
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the given compound:
1. An amino acid
2. A purine base
3. Polysaccharide containing nitrogen
4. Prostaglandin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe following diagram depicts the structure of a:
1. Nucleoside
2. Nucleotide
3. Nitrogen containing Monosaccharide
4. Glycoprotein
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by -
1. Base-sugar-OH
2. Base-sugar-phosphate
3. Sugar-phosphate
4. (Base-sugar-phosphate)n
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn nucleic acid the bond between the phosphate and hydroxyl group of sugar is
1. Hydrogen bond
2. Glycosidic bond
3. Ester bond
4. Peptide bond
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following represents uridylic acid?
1. Uracil + Ribose
2. Uridine + Phosphoric acid
3. Uracil + Phosphoric acid
4. Uridine + Ribose + Phosphoric acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyC’ represents carbon of
1.sugar of nucleotides
2.Nitrogenous bases of nucleotides
3.Both 1 and 2
4.None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNucleotide is made up of
1. Heterocyclic compound, Monosaccharide,
Phosphoric acid.
2. Nitrogenous base, hexose sugar, phosphate.
3. Hetrocylic compound and pentose sugar only.
4. Hetrocyclic compound and nucleoside.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStudy the given statements -
i. A dehydration reaction (or condensation reaction) is the process in which water molecules are produced as a polymer is formed from monomers.
ii. The four main categories of macromolecules present in living systems are proteins, nucleic acids, carbohydrates, and lipids.
iii. Glucose is the main monosaccharide used by human cells for energy.
iv. The building blocks or monomers of nucleic acid molecules are called nucleosides.
How many statements are correct-?
1. i
2. ii
3. iii
4. iv
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below is the diagrammatic representation of one of the categories of small
molecular weight organic compounds in the living tissues. Identify the category shown
and the one blank component X in it
Category Component
1. Cholesterol Guanin
2. Amino acid NH2
3. Nucleotide Adenine
4. Nucleoside Uracil
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology