InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Identify the correct pair of statements (i) Alternate name of thymine is 5- methyl utacil (ii) Arachidonic acid molecule contains less number of carbons than palmitic acid (iii) Cellulose contains halices (iv) Aquaporin is a polypeptideA. ii,iiiB. i,iiC. ii,ivD. i,iv. |
| Answer» Correct Answer - D | |
| 102. |
In how many interlocking rings are the carbon atoms arranged in a steroid moleculeA. 1B. 2C. 3D. 4 |
| Answer» Correct Answer - D | |
| 103. |
Glycosidic bonds exist in DNA molecule betweenA. Sugar and phosphateB. Any two nitrogen basesC. Sugar and nitrogen baseD. Purines and pyrimidines. |
| Answer» Correct Answer - C | |
| 104. |
match the following and find correct option `{:(,,I,,II),(,a,"Hydrogen bond",i,"Adenine-deoxyribose"),(,b,"N-glycosidic linkage",ii,"Glucose - Fructose"),(,c,"Phosphodiester bond",iii,"Leucine-Glycine"),(,d,"Peptide bond",iv,"Nucleotide-Nucleotide in polynucleotide chain"),(,"","",v,"Guanine-Cytosine on opposite strands of DNA"):}`A. a-v, b-iii, c-iv, d-iiB. a-i, b-iv, c-v, d-iiC. a-v, b-i, c-iv, d-iiiD. a-ii, b-i, c-v, d-iii |
| Answer» Correct Answer - C | |
| 105. |
Glycosidic linkage present between adjacent glucose units of starch or glycogen is genetallyA. `beta1to4`B. `alpha 1rarr 4`C. `alpha2to1`D. `beta2to6` |
| Answer» Correct Answer - B | |
| 106. |
Glycosidic linkage at place of branching in starch and glycogen isA. `alpha1rarr6`B. `alpha 1rarr 4`C. `beta1rarr4`D. `beta1rarr6` |
| Answer» Correct Answer - A | |
| 107. |
Restriction endonucleases were discovered byA. Arber et alB. Monod et alC. Cech et alD. Altman et al |
| Answer» Correct Answer - A | |
| 108. |
IUB has divied enzymes into classesA. 4B. 5C. 6D. 7 |
| Answer» Correct Answer - C | |
| 109. |
Constitutive enzymes areA. Operational all the timeB. House keeping enzymesC. AlloenzymesD. Both A and B. |
| Answer» Correct Answer - D | |
| 110. |
Most of the digestive enzymes belong to the class ofA. LyasesB. HydrolasesC. OxidoreductasesD. Transferases. |
| Answer» Correct Answer - B | |
| 111. |
Epimerase belongs to the class of enzymesA. HydrolasesB. ligasesC. IsomerasesD. Oxidoreductases. |
| Answer» Correct Answer - C | |
| 112. |
Which of the amino acids has hydroxyl in irs R-groupA. SerineB. AlanineC. ArginineD. Proline. |
| Answer» Correct Answer - A | |
| 113. |
Class of enzymes containing in lysosomeA. LyasesB. LigasesC. HydrolasesD. Transferases. |
| Answer» Correct Answer - C | |
| 114. |
Quaternary structure is present inA. HistoneB. HaemoglobinC. GlobulinD. Potassium. |
| Answer» Correct Answer - B | |
| 115. |
Which of the following scientists discovered the triple helical structure of collagenA. G. N. RamachandranB. Anton von LeeuwenhoekC. Mathias SchleidenD. Theoder Schleiden |
| Answer» Correct Answer - A | |
| 116. |
Quaternary structure is found inA. Simple monomeric proteinsB. Conjugate monomeric proteinsC. OligoproteinsD. Both B and C. |
| Answer» Correct Answer - C | |
| 117. |
Most abundant protein in the human body isA. HaemoglobinB. KeratinC. CollagenD. Immunoglobulin. |
| Answer» Correct Answer - C | |
| 118. |
Pectin isA. Waste productB. Excretory productC. PhytolectinD. Secretory product. |
| Answer» Correct Answer - D | |
| 119. |
Select the option which is not correct with respect to enzyme actionA. Addition of lot of succinate does not reverse inhibition of succinic dehydrogenase by malonateB. A non-competitive inhibition binds the enzyme at a sight distinct from that which binds the substrateC. Malonate is a competitive inhibitor of succinic dehydrogenaseD. Substrate binds with the enzyme at its active site. |
| Answer» Correct Answer - A | |
| 120. |
Which one is the most abundant protein in the animal worldA. TrypsinB. HaemoglobinC. CollagenD. Insulin. |
| Answer» Correct Answer - C | |
| 121. |
Most abundant organic compound on earth isA. CelluloseB. ProteinC. LipidsD. Steroids. |
| Answer» Correct Answer - A | |
| 122. |
Sulphonamides were used to treat microbial infection because they inhibit microbial growth byA. Inhibiting wall formationB. Competing with PABA required for synthesis of folic acidC. Breaking nsked DNA of mirobes.D. |
| Answer» Correct Answer - B | |
| 123. |
Enzymes involved in hydrolysis of starch to maltose isA. ProteaseB. AmylaseC. LactaseD. Maltase. |
| Answer» Correct Answer - B | |
| 124. |
Inhbition of acetylcholine by DEP (Diisorprophl-fluorophosphate) is an example ofA. Competitive inhibitionB. Non - competitive inhibitionC. Non - competitive irreversible inhibitionD. Allosteric inhibition. |
| Answer» Correct Answer - C | |
| 125. |
Enzymes are sensitive toA. ColdB. Cell wallC. HeatD. Pressure. |
| Answer» Correct Answer - C | |
| 126. |
Nerve gas (DEP) inhibits neurotransmission as it reacts withA. Serine of acetylcholine-esteraseB. Choline of acetylcholine-esteraseC. AcetylcholineD. Noradrenaline. |
| Answer» Correct Answer - A | |
| 127. |
Excess of ATP inhibits respiration by inhibiting one of the following enzymesA. PhosphofructokinaseB. HexokinaseC. Pyruvic decarboxylaseD. Aldolase. |
| Answer» Correct Answer - A | |
| 128. |
Pentoses and hexoses are the most common Or The simple polyhydroxy ketone molecule containing 3-7 carbons is aA. DisacharideB. MonosaccharideC. PolysaccharideD. Dipeptide |
| Answer» Correct Answer - B | |
| 129. |
The four elements that make up 99% of all elements found in a living system areA. CHOSB. CHOPC. CHOND. CNOP. |
| Answer» Correct Answer - C | |
| 130. |
A trisaccharide isA. GalactoseB. MaltoseC. RaffinoseD. Mannose. |
| Answer» Correct Answer - C | |
| 131. |
Element required for phloem transport isA. CopperB. IronC. BoronD. Sodium. |
| Answer» Correct Answer - C | |
| 132. |
Which one is not added in derergentsA. AmylaseB. ProteaseC. PeptideaseD. Cellulase. |
| Answer» Correct Answer - C | |
| 133. |
Which is not correct ?A. All enzymes are biocatalystsB. All proteins are enzymesC. All enzymes are proteinsD. All enzymes are thermolabile. |
|
Answer» Correct Answer - B With the wxception of a few enzymes like ribozyme and ribonuclease-P, other enzymes are proteinaceous. |
|
| 134. |
Adinine isA. PurineB. PyrimidineC. NucleosideD. Nucleotide. |
| Answer» Correct Answer - A | |
| 135. |
Which one is the hydrogen acceptor ?A. CoAB. `NADP^(+)`C. ATPD. DNA. |
| Answer» Correct Answer - B | |
| 136. |
Instantaneous source of energy isA. SucroseB. GlucoseC. FatD. Starch. |
| Answer» Correct Answer - B | |
| 137. |
A source of maximum energy isA. CarbohydrateB. FatC. ProteinD. Vitamins. |
| Answer» Correct Answer - B | |
| 138. |
Coenzyme isA. CarbohydrateB. ProteinC. VitaminD. Fatty acid. |
| Answer» Correct Answer - C | |
| 139. |
Uridine, present only in RNA isA. Uridine present only in RNA isB. NucleotideC. PurineD. Pyrimidine |
| Answer» Correct Answer - D | |
| 140. |
`K_(m)` value is dependent uponA. TemperatureB. Substrate concentrationC. Enzyme concentrationD. All the above. |
| Answer» Correct Answer - B | |
| 141. |
Non-proteinaceous part of enzyme isA. CofatorB. CoenzymeC. Prosthetic groupD. All the above. |
| Answer» Correct Answer - D | |
| 142. |
Buggers against pH changes areA. Monobasic phosphateB. Dibasic phosphateC. Carbonic acidD. All the above. |
| Answer» Correct Answer - D | |
| 143. |
Dibasic phosphate `(HPO_(4)^(2-))` is a buffer againstA. Toxic chemicalsB. Strong acidsC. Strong baseD. Weak bases and acids. |
| Answer» Correct Answer - C | |
| 144. |
Mineral associated with cytochroms isA. CuB. MgC. Fe and MgD. Fe and Cu. |
| Answer» Correct Answer - D | |
| 145. |
Mineral functioning as chemical messenger isA. CalciumB. MagnesiumC. MangansesD. Molybdenum. |
| Answer» Correct Answer - A | |
| 146. |
RNA takes part in synthesis ofA. DNAB. CarbohydratesC. FatD. Protein. |
| Answer» Correct Answer - D | |
| 147. |
Bond present between two nucleotodes of a polynucleotide isA. Covalent bondB. Hydrogen bondC. Phospodiester bondD. high energy phosphate bond. |
| Answer» Correct Answer - C | |
| 148. |
Starch isA. `(C_(6)H_(5)O_(6))_(n)`B. `(C_(6)H_(10)O_(5))_(n)`C. `(C_(12)H_(22)O_(11))_(n)`D. `(C_(12)H_(24)O_(11))_(n)` |
| Answer» Correct Answer - B | |
| 149. |
Inulin is a polymer ofA. GlucoseB. GalactoseC. FructoseD. Arabinose. |
| Answer» Correct Answer - C | |
| 150. |
Inulin occurs in the root ofA. MangoB. DahliaC. WheetD. Sugarcane. |
| Answer» Correct Answer - B | |