McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .
Chapters
| 351. |
The product is realized from which site of the enzyme? |
| A. | Simple site |
| B. | active site |
| C. | Complex site |
| D. | Inactive site |
| Answer» B. active site | |
| 352. |
What ‘A’ and ‘B’ indicates in the given figure (reaction)? |
| A. | A= ES complex B=S |
| B. | A=S B=E |
| C. | A= ES complex B=E |
| D. | A= EP complex, B=E |
| Answer» C. A= ES complex B=E | |
| 353. |
which of the following enzyme would correct glucose in to glucose-6-phosphate |
| A. | Hydrolyses |
| B. | Lyases |
| C. | Isomerases |
| D. | Trans ferase |
| Answer» D. Trans ferase | |
| 354. |
Glucose + ATP glucose – 6-phosphate +ADP which enzyme occur this reaction? |
| A. | Glucose isomerase |
| B. | Glucose oxidase |
| C. | Glucose dehydrogenase |
| D. | Hexokinase |
| Answer» D. Hexokinase | |
| 355. |
which enzyme would change glucose – 6 phosphate to fructose – 6 phosphate? |
| A. | Transferase |
| B. | Isomerase |
| C. | Lyases |
| D. | glucose phosphatase |
| Answer» B. Isomerase | |
| 356. |
which enzyme involved in hydrolysis of maltose to glucose? |
| A. | Synthetase |
| B. | maltase |
| C. | Galactose |
| D. | Lyases |
| Answer» B. maltase | |
| 357. |
the enzyme which also known as scissor? |
| A. | Lyases |
| B. | Ligarer |
| C. | Isomerases |
| D. | Trans ferasess |
| Answer» A. Lyases | |
| 358. |
which enzyme involved in conversion of a molecular in to an isomer? |
| A. | Lyases |
| B. | Synthetase |
| C. | Isomerase |
| D. | Transferase |
| Answer» C. Isomerase | |
| 359. |
The enzyme which break up fructose 1, 6 biphosphate in to fructose phosphates known? |
| A. | Aldolase |
| B. | Phosphatase |
| C. | Fructose phosphase |
| D. | Fructose |
| Answer» A. Aldolase | |
| 360. |
Which enzyme is needed to digest food reserve in pea seeds? |
| A. | Lipase |
| B. | Nuclease |
| C. | Proteases |
| D. | Amylase |
| Answer» C. Proteases | |
| 361. |
The best example of extra cellular enzyme is? |
| A. | Nuclease |
| B. | Digestive enzyme |
| C. | Dehydrogenase |
| D. | Lipase |
| Answer» B. Digestive enzyme | |
| 362. |
A non-protein component of enzyme is called? |
| A. | Co-factor |
| B. | Activator |
| C. | Co-enzyme |
| D. | Inhibitor |
| Answer» A. Co-factor | |
| 363. |
Which is an enzyme that joins acetic acid to Co A with the help of energy? |
| A. | Acetic acid co. A Synthetase |
| B. | Ligases |
| C. | Acetyl co. A Synthetase |
| D. | No one |
| Answer» C. Acetyl co. A Synthetase | |
| 364. |
Carbonic anhydrase is activated in the presence of which elements? |
| A. | Mb |
| B. | Mn |
| C. | Ca |
| D. | Zn |
| Answer» D. Zn | |
| 365. |
Vanadium is necessary for the activation of which enzyme? |
| A. | Kinase |
| B. | Maltase |
| C. | Nitrogenase |
| D. | Enolase |
| Answer» C. Nitrogenase | |
| 366. |
Find out the correct group of co. factor which is activated enolase? |
| A. | Mg, Co, Ca |
| B. | Mg, Mn, Zn |
| C. | Co, Ca, V |
| D. | Mn, Zn, V |
| Answer» B. Mg, Mn, Zn | |
| 367. |
Which one is not a co. Enzyme? |
| A. | NAD |
| B. | NADP |
| C. | FAD |
| D. | ADP |
| Answer» D. ADP | |
| 368. |
Find out the correct group of enzyme which is activated by calcium? |
| A. | Nitric oxide Synthetase, protein phosphatase , adenylkinase |
| B. | Acetyl co. A Synthetase, fructose isomerase protein phosphatase |
| C. | Succinic dehydrogenase, Cytochrome oxidase, Aldolase |
| D. | All above |
| Answer» A. Nitric oxide Synthetase, protein phosphatase , adenylkinase | |
| 369. |
Which of the following sets is not co enzyme? |
| A. | NAD, FAD, ATP |
| B. | NAD, NHDP,FMN |
| C. | Fe, Cu, Zn |
| D. | V, Ca, Mg |
| Answer» A. NAD, FAD, ATP | |
| 370. |
Co enzyme differs from prosthetic group because:- |
| A. | They deactivates the enzymes |
| B. | They do not attached with apoenzyme |
| C. | They attached apoenzyme with loosely bound |
| D. | They activates the enzymes |
| Answer» C. They attached apoenzyme with loosely bound | |
| 371. |
S: protein carry out many functions in living organisms
|
| A. | S&A are true but R is false |
| B. | S,A&R are true and R&A are the correct explanation of S |
| C. | S is true but A&R both are false |
| D. | S,A&R are true but R&A are not the correct explanation of S |
| Answer» B. S,A&R are true and R&A are the correct explanation of S | |
| 372. |
Most abundant organic compound on earth is [C.B.S.E.2001] [karnataka- 2000] |
| A. | Protein |
| B. | Cellulose |
| C. | Lipid |
| D. | Steroid |
| Answer» A. Protein | |
| 373. |
Which one is a simple protein? [Kerala 2004] |
| A. | Albumin |
| B. | Nucleoprotein |
| C. | Lipoprotein |
| D. | Glycoprotein |
| Answer» A. Albumin | |
| 374. |
Bond formed between the first phosphate group and adenosine in ATP is |
| A. | Nitrophosphate bond |
| B. | Adenophosphate bond |
| C. | Phosphoanhydride bond |
| D. | Phosphoester bond |
| Answer» D. Phosphoester bond | |
| 375. |
Nucleotides are building blocks of nucleic acids each nucleotide is a composite Molecule formed by [C.B.S.C. 2005] |
| A. | (base-sugar-phosphate)n |
| B. | base-sugar-OH |
| C. | base-sugar-phosphate |
| D. | sugar-phosphate |
| Answer» C. base-sugar-phosphate | |
| 376. |
Which one is not a nucleotide? [AFMC 1998] |
| A. | Adenine |
| B. | Guanine |
| C. | Thymine |
| D. | Lysine |
| Answer» D. Lysine | |
| 377. |
Which one is a molecule of ATP? [C.B.S.C. PMT 2000] |
| A. | Nucleosome |
| B. | Nucleoside |
| C. | nucleotide |
| D. | deoxyribose |
| Answer» C. nucleotide | |
| 378. |
t-RNA is a polymer of: [MP PMT 1997] |
| A. | Deoxyribonucleoside |
| B. | ribonucleoside |
| C. | Ribonucleotide |
| D. | deoxyribotide |
| Answer» C. Ribonucleotide | |
| 379. |
Which one is Purine base of RNA? [C.B.S.E. PMT 1996] |
| A. | Guanine |
| B. | Thymine |
| C. | Uracil |
| D. | Cytosine |
| Answer» A. Guanine | |
| 380. |
Enzymes are formed by conjunction of which molecule? [AFMC 1994] |
| A. | Fatty acid |
| B. | glucose |
| C. | amino acid |
| D. | carbon |
| Answer» C. amino acid | |
| 381. |
Co-enzyme means [B.H.U. 1997] |
| A. | Metal |
| B. | Vitamin |
| C. | Inorganic compound |
| D. | a & c both |
| Answer» B. Vitamin | |
| 382. |
Enzymes in boiling water [CPMT1995] |
| A. | Destroyed |
| B. | Denatured |
| C. | Uneffective |
| D. | Inactive |
| Answer» B. Denatured | |
| 383. |
Which one is the contractile protein [CBSE.PMT 1998] |
| A. | Collagen |
| B. | globular |
| C. | tropomycin |
| D. | keratin |
| Answer» D. keratin | |
| 384. |
How many nucleotide present in DNA molecule which consist pair of 2000 N2 base? [MP.PMT 1994] |
| A. | 2,000 |
| B. | 5,000 |
| C. | 10,000 |
| D. | 40,000 |
| Answer» C. 10,000 | |
| 385. |
Which one is not gain by the hydrolysis of nucleoside? [DPMT 1996] |
| A. | Purine |
| B. | Pentose sugar |
| C. | Phosphoric acid |
| D. | Pyrimidine |
| Answer» C. Phosphoric acid | |
| 386. |
Enzyme by natured: [CET chd 1998] |
| A. | vitamin |
| B. | carbohydrate |
| C. | polypeptide |
| D. | Fatty acid |
| Answer» C. polypeptide | |
| 387. |
The pair of nitrogen base in DNA is conjugated with [PB PMT 1997] |
| A. | Disulphide bond |
| B. | Hydrogen bond |
| C. | Peptide bond |
| D. | Glycosidic bond |
| Answer» B. Hydrogen bond | |
| 388. |
The prosthetic group which is in the structure of enzyme [Manipal PMT 1997] |
| A. | Loosely combining |
| B. | tightly binding |
| C. | It contain organic or inorganic structure |
| D. | only inorganic |
| Answer» C. It contain organic or inorganic structure | |
| 389. |
Enzyme speed up rate of reaction by [C.B.S.E. 2000] |
| A. | Combining with product |
| B. | Forming reaction product complex |
| C. | Changing equilibrium of reaction |
| D. | Covering activation energy |
| Answer» D. Covering activation energy | |
| 390. |
The catalytic efficiency of two different enzymes can be compared by the |
| A. | The Km value |
| B. | The PH qutimum value |
| C. | Formation of the product |
| D. | Molecular size of the enzyme |
| Answer» A. The Km value | |
| 391. |
Which of the following cell organelles is rich in catabolic enzyme [PMT 2007] |
| A. | Ribosome |
| B. | chloroplast |
| C. | Mitochondria |
| D. | Golgicomplex |
| Answer» C. Mitochondria | |
| 392. |
Enzyme which help in electron transfer are: [B.H.U. 1998] |
| A. | Cytochrome |
| B. | Isomerase |
| C. | Protease |
| D. | All of above |
| Answer» A. Cytochrome | |
| 393. |
The enzyme which fixes CO2 in C4 plant is [C.B.S.E. 2000] |
| A. | Hydrogenase |
| B. | PEP carboxyl ase |
| C. | Reductase |
| D. | RuBp carboxylase |
| Answer» B. PEP carboxyl ase | |
| 394. |
Enzyme involved in hydrolysis of starch to maltose is called: [PMT 1999] |
| A. | Sucrase |
| B. | Amylase |
| C. | Lactase |
| D. | Maltase |
| Answer» B. Amylase | |
| 395. |
In which of the following industrial areas biotechnology is applicable? |
| A. | Health care |
| B. | Environment |
| C. | Agriculture |
| D. | all of the above |
| Answer» D. all of the above | |
| 396. |
Due to what food supply has increased during green revolution? |
| A. | use of chemical |
| B. | use of biochemicals |
| C. | use of photochemicals |
| D. | use of agrochemicals |
| Answer» D. use of agrochemicals | |
| 397. |
The organizations whose genetic material has been altered using genetic engineering is called as - |
| A. | Genetically mutant organism |
| B. | Genetically modern organism |
| C. | Genetically modified organism |
| D. | Genetically transferred organism. |
| Answer» C. Genetically modified organism | |
| 398. |
Full form of GMO is - |
| A. | Genetically mutant organism |
| B. | Genetically modern organism |
| C. | Genetically modified organism |
| D. | Genetically transferred organism |
| Answer» C. Genetically modified organism | |
| 399. |
Which of the following is responsible for causing disease in plants? |
| A. | viru |
| B. | pesticide |
| C. | Herbicide |
| D. | all the above |
| Answer» A. viru | |
| 400. |
Bt stands for - |
| A. | Biotechnology |
| B. | Bacteria tolerant |
| C. | Bacillus thuringiensis |
| D. | Bollworm toxin |
| Answer» C. Bacillus thuringiensis | |
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