Mcq on biomolecules. JEE Main Biomolecules MCQ 2019-01-16

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Multiple Choice Questions on Biomolecules ~ MCQ Biology

mcq on biomolecules

This is very useful for every biology students. Glycogen is a polymer of a galactose b glucose c fructose d sucrose. It is a fibrous glucosan homopolysaccharide of high tensile strength. It is the major store of carbohydrate energy in animal cells. The ratio of H and O is generally 2 : 1 as water H 2O -Carbohydrates have the general formula of C n H 2O m.


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Multiple Choice Quiz on Biomolecules

mcq on biomolecules

The amino acid leucine a. Different condensation reactions produce different kinds of macromolecules. Living cell contains 60 β€” in human body is a 60 β€” 65% b 50 β€” 55% c 75 β€” 80% d 65 β€” 70%. Some such as N, O, and C are also present in the atmosphere. When nucleotides possess more than one phosphate radical, it is called higher nucleotides e. For many cytochromes the metal ion present is that of iron, which interconverts between Fe 2+ reduced and Fe 3+ oxidized states electron-transfer processes or between Fe 2+ reduced and Fe 3+ formal, oxidized states oxidative processes.

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Biomolecules

mcq on biomolecules

Trioses contain three, Pentoses contain five, and Hexoses six. A sucrose B maltose C lactose D all of above 30 which sugar is dextrorotatory and indicates mutarotation? Nucleotides are phosphorylated nucleosides with are formed by condensation of pentose, sugar, nitrogen base and at least one phosphoric residue. One of the following does not have Sulfuric acid groups… a Heparin b Hyaluronic acid c Chondroitin sulphate d Kerato sulphate 16. Living cell contains 60 β€” in human body is a 60 β€” 65% b 50 β€” 55% c 75 β€” 80% d 65 β€” 70%. The purine derivatives adenine A and guanine G are double ring structures whereas pyrimidine derivatives thymine, cytosine and uracil are single ring structures. What are the bonds between amino acids called? We will be posting more of this soon.

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Biomolecules: MCQs Quiz

mcq on biomolecules

Water present in human body is a 60-65% b 70-75% c 65-70% d 75-80% 3. Which is distributed more widely in a cell? The nonpolar chains are long complex hydrophobic hydrocarbon chains. It is a reducing sugar. The movement of the nutrient element through the biosphere is called the biogeochemical cycle. Phosphorus is important constituent of nucleic acids, sulphur and nitrogen constituent of amino acids. The two chains are spirally coiled around a common axis in a regular manner to form a right handed double helix. The two purines are adenine and guanine.


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NEET UG Chemistry Biomolecule, Multiple Choice Questions for Chemistry

mcq on biomolecules

Enzymes are classified in to six categories on the basis of biochemical reactions catalyzed by them. Chloride ion enhances activity of salivary amylase. Other elements are present in very lesser amount. Sucrose, starch are non-reducing sugars. The major role of minor elements inside living organisms is to act as a co-factors of enzymes b building blocks of important amino acids c constituent of hormones d binder of cell structure Answer and Explanation: 30. Polymerization of such amino acids results into formation of proteins. They are heterogeneous group containing mainly carbon, oxygen and hydrogen.


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Biomolecules

mcq on biomolecules

Not to mention that the candidates who are serious about the examination already put great efforts and burn the midnight oil. Nucleic acids consist of C, H, O, N and P. Sometimes an enzyme is also poses a non protein part. Cellulose molecule is composed of 1600 to 6000 glucose molecules joined together. The ring form of the sugar i infact a cyclic hemiacetal structure formed by the combination of the carbonyl group i. Which of the following nucleotide sequences contains 4 pyrimidine bases? Adenine is a purine b pyrimidine c nucleoside d nucleotide. In human beings maximum water content is found in the embryo 90 β€” 95%.

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Biomolecules: MCQs Quiz

mcq on biomolecules

A nucleotide is formed of 95% water. A conversion B inversion C diversion D reversion 14 which optical rotation has been obtained by aqueous solution of sucrose mixture , which is produced before hydrolysis of and after hydrolysis of sucrose? Amino acids are formed after digestion of proteins. The two purines are adenine and guanine. In the given question there are 4 pyrimidines as 2 cytosine and 2 thymine in optional. The chains are unbranched and linear. Cytochromes are thus capable of performing oxidation and reduction.

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Multiple Choice Questions on Biomolecules ~ MCQ Biology

mcq on biomolecules

These are able to reduce cupric ions Cu +2 into cuprous ions Cu +. A biomolecule is any molecule that is present in living organisms, including large macromolecules such as proteins, polysaccharides, lipids, and nucleic acids, as well as small molecules such as primary metabolites, secondary metabolites, and natural products. Both tests employ alkaline solution of copper sulphate which is blue in colour with reducing sugar it gives orange to brick red precipitation. If you are planning to appear in Jee mains or jee advanced that means too much stress. Chloroplast and sphaerosomes are found only in cytoplasm. A Dextrorotatory , levorotatory B levorotatory , Dextrorotatory C levorotatory , levorotatory D Dextrorotatory , Dextrorotatory 15 two monosaccharide units of sucrose are linked by which carbon chain? A sucrose B maltose C lactose D all of above 29 which sugar is hydrolyzed by emulsine enzyme? The most common monomer of carbohydrates is a molecule of glucose maltose amylose amylopectin 2. They consume water as a reactant.

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Multiple Choice Questions on Biomolecules ~ MCQ Biology

mcq on biomolecules

So that the compounds formed are stable, varied in size and shapes. A C l B C 2 C C 3 D C 4 12 what is the specific rotation of aqueous Solution of sucrose? The first two steps are reversible in which Diglyceride and Monoglyceride and produced as intermediate products. The purine derivatives are adenine A and guanine G. The amino acid leucine a. The major role of minor elements inside living organisms is to act as a Co factors of enzymes b Binder of cell structure c Constituent of hormones d Building blocks of important amino acids 5.

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