MCQOPTIONS
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MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 2351. |
Which of the following cell organelles is rich in catabolic enzyme [PMT 2007] |
| A. | Ribosome |
| B. | chloroplast |
| C. | Mitochondria |
| D. | Golgicomplex |
| Answer» D. Golgicomplex | |
| 2352. |
Which one is a molecule of ATP? [C.B.S.C. PMT 2000] |
| A. | Nucleosome |
| B. | Nucleoside |
| C. | nucleotide |
| D. | deoxyribose |
| Answer» D. deoxyribose | |
| 2353. |
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» B. The PH qutimum value | |
| 2354. |
Which one is the contractile protein [CBSE.PMT 1998] |
| A. | Collagen |
| B. | globular |
| C. | tropomycin |
| D. | keratin |
| Answer» E. | |
| 2355. |
t-RNA is a polymer of: [MP PMT 1997] |
| A. | Deoxyribonucleoside |
| B. | ribonucleoside |
| C. | Ribonucleotide |
| D. | deoxyribotide |
| Answer» D. deoxyribotide | |
| 2356. |
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» D. only inorganic | |
| 2357. |
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» D. 40,000 | |
| 2358. |
Enzyme which help in electron transfer are: [B.H.U. 1998] |
| A. | Cytochrome |
| B. | Isomerase |
| C. | Protease |
| D. | All of above |
| Answer» B. Isomerase | |
| 2359. |
Enzyme involved in hydrolysis of starch to maltose is called: [PMT 1999] |
| A. | Sucrase |
| B. | Amylase |
| C. | Lactase |
| D. | Maltase |
| Answer» C. Lactase | |
| 2360. |
Enzymes are formed by conjunction of which molecule? [AFMC 1994] |
| A. | Fatty acid |
| B. | glucose |
| C. | amino acid |
| D. | carbon |
| Answer» D. carbon | |
| 2361. |
Enzyme by natured: [CET chd 1998] |
| A. | vitamin |
| B. | carbohydrate |
| C. | polypeptide |
| D. | Fatty acid |
| Answer» D. Fatty acid | |
| 2362. |
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» C. Peptide bond | |
| 2363. |
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» C. Reductase | |
| 2364. |
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» E. | |
| 2365. |
Which one is not a nucleotide? [AFMC 1998] |
| A. | Adenine |
| B. | Guanine |
| C. | Thymine |
| D. | Lysine |
| Answer» E. | |
| 2366. |
Which one is not gain by the hydrolysis of nucleoside? [DPMT 1996] |
| A. | Purine |
| B. | Pentose sugar |
| C. | Phosphoric acid |
| D. | Pyrimidine |
| Answer» D. Pyrimidine | |
| 2367. |
Enzymes in boiling water [CPMT1995] |
| A. | Destroyed |
| B. | Denatured |
| C. | Uneffective |
| D. | Inactive |
| Answer» C. Uneffective | |
| 2368. |
One of the following is the correct sequence to make a transgenic animals. |
| A. | Transomics – transfection – micro infection – electro portion – retroviral vectors |
| B. | Micro injection - transfection - electro portion - retroviral vectors - transomics |
| C. | Transfection – micro injection - transomics - electro portion - retroviral vectors |
| D. | None of these |
| Answer» C. Transfection – micro injection - transomics - electro portion - retroviral vectors | |
| 2369. |
Vaccine is a …... |
| A. | collection of antibiotics |
| B. | collection of life saving drugs |
| C. | collection of killed disease causing bacteria and virus |
| D. | collection of lysins |
| Answer» D. collection of lysins | |
| 2370. |
Bio augmentation is ….. |
| A. | the addition of commercially prepared bacterial strain |
| B. | Production of fertilizers by using bacteria |
| C. | the metals are deposited as insoluble oxides and sulphides by activities of bacteria |
| D. | removal of pests |
| Answer» B. Production of fertilizers by using bacteria | |
| 2371. |
The most common Bioinsecticide in present in the world for protection and mustard is—— |
| A. | Pyrethrin |
| B. | Bt. , |
| C. | Rotenone |
| D. | none of these |
| Answer» C. Rotenone | |
| 2372. |
The method of producing proteins for food or feed through microbial biomass is called |
| A. | PCR |
| B. | SCP |
| C. | Nanotechnology |
| D. | None of above |
| Answer» C. Nanotechnology | |
| 2373. |
Which of the following animal is best known genetically ? |
| A. | Planaria |
| B. | Domestic dog |
| C. | Musca domestica |
| D. | Drosophila melanogaster |
| Answer» E. | |
| 2374. |
The main use of recombinant DNA technology are..... |
| A. | production of transgenic humans. |
| B. | the creation of cells capable of synthesizing economically important molecules. |
| C. | the efficient reduction of useful proteins. |
| D. | both b and c |
| Answer» E. | |
| 2375. |
Tissue culture technique has been biotechnologically successful in production of - |
| A. | alcoholic beverage |
| B. | cheese |
| C. | shikonin |
| D. | Insulin |
| Answer» D. Insulin | |
| 2376. |
Which one is a transgenic crop ? |
| A. | Brinjal |
| B. | Potato |
| C. | Grape |
| D. | Tomato |
| Answer» E. | |
| 2377. |
Transgenic plants are produced by using Ti Plasmids from the |
| A. | Agrobacterium tumefacien |
| B. | E. coli |
| C. | Bacteriophage |
| D. | Agrobacterium varians |
| Answer» B. E. coli | |
| 2378. |
First progress in field of genetic engineering, in 1978 by Cohen, Berg and Boyer by synthesis of—————through E. coli |
| A. | Insulin |
| B. | growth hormon |
| C. | Somatostatin |
| D. | both b and c |
| Answer» E. | |
| 2379. |
Biofuel is made by utilizing which strain of bacteria ? |
| A. | Bacillus amyloliquefacien |
| B. | Klebsiella Planticola |
| C. | E. coli |
| D. | Phanerochaete chrysosporium |
| Answer» B. Klebsiella Planticola | |
| 2380. |
The insulin prepared through genetic engineering is called |
| A. | Human insulin |
| B. | microbial insulin |
| C. | Bio insulin |
| D. | Humulin |
| Answer» E. | |
| 2381. |
The science of biotechnology has contributed to field of |
| A. | Health |
| B. | Pharmacy |
| C. | agriculture and industry |
| D. | all above |
| Answer» E. | |
| 2382. |
Pick up the correct set. |
| A. | 2 3 5 1 |
| B. | 2 5 4 1 |
| C. | 2 4 3 5 |
| D. | 2 1 4 5 |
| Answer» B. 2 5 4 1 | |
| 2383. |
Yeast is a good source of |
| A. | carbohydrate |
| B. | vitamin B |
| C. | Proteins |
| D. | both b and c |
| Answer» D. both b and c | |
| 2384. |
one of the following is transgenic organisms |
| A. | Holly sheep and tomato |
| B. | Dolly sheep and subabul |
| C. | Molly sheep and banana |
| D. | B T cotton and tomato (Flaur saur) |
| Answer» E. | |
| 2385. |
The micro – organism involves in making bread is ….. |
| A. | Acetobacter |
| B. | brewer’s yeast |
| C. | Saccharomyces cerevisiae |
| D. | None of the above |
| Answer» D. None of the above | |
| 2386. |
Which was the first product contributed to human kind by science of Biotechnology in early 1972 |
| A. | somatotropin |
| B. | Insulin |
| C. | cytokines |
| D. | erythropoietin |
| Answer» B. Insulin | |
| 2387. |
Thrombokinase is produced in |
| A. | RBC |
| B. | WBC |
| C. | Blood vessels |
| D. | blood platelets |
| Answer» E. | |
| 2388. |
The typical machine for production of bio-products through microbial is |
| A. | sterilized glass ware |
| B. | microprojectile |
| C. | autoclave |
| D. | Fermenter |
| Answer» E. | |
| 2389. |
Tricuspid valve is situated in between |
| A. | Left auricle and left ventricle |
| B. | Right auricle and left ventricle |
| C. | Inter atrial septum |
| D. | Inter ventricular septum |
| Answer» C. Inter atrial septum | |
| 2390. |
The genetically modified crops introduced in India are … |
| A. | cotton |
| B. | mustard |
| C. | Wild plant |
| D. | Both a and b |
| Answer» E. | |
| 2391. |
Three important proteins present in blood are |
| A. | Collagen, albumin, fibrinogen |
| B. | Albumin, globulin, Actin |
| C. | Globulin, albumin, collagen |
| D. | Albumin, globulin, fibrinogen |
| Answer» E. | |
| 2392. |
In pericardium double walled structure - outer layer and inner layer are respectively |
| A. | Serosa layer and fibrous layer |
| B. | Fibrosa layer and serous layer |
| C. | Fibrous layer and Muscular layer |
| D. | Muscular layer and fibrous layer |
| Answer» C. Fibrous layer and Muscular layer | |
| 2393. |
Which factor is delaying in blood clotting |
| A. | Vit K |
| B. | Hirudin |
| C. | Heparin |
| D. | All of above |
| Answer» E. | |
| 2394. |
Play an important role in allergic reaction by |
| A. | Neutrophils |
| B. | Lymphocytes |
| C. | Basophils |
| D. | Monocytes |
| Answer» D. Monocytes | |
| 2395. |
Diastole of ventricles is |
| A. | 0.30 sec |
| B. | 0.40 sec |
| C. | 0.70 sec |
| D. | 0.10 sec |
| Answer» C. 0.70 sec | |
| 2396. |
QRS wave in ECG represents |
| A. | Auricular systole |
| B. | ventricular systole |
| C. | ventricular diastole |
| D. | End of ventricular systole |
| Answer» C. ventricular diastole | |
| 2397. |
The instrument used for measuring blood pressure is known as |
| A. | ECG |
| B. | Stethoscope |
| C. | Sphygmomanometer |
| D. | EEG |
| Answer» D. EEG | |
| 2398. |
Heart is known as double pump (circulation) because of |
| A. | the right chamber push blood into lungs |
| B. | left chambers push blood into the entire body |
| C. | Heart receives impure blood from the body |
| D. | both (a) and (b) |
| Answer» E. | |
| 2399. |
Thromboplastin is produced by |
| A. | Damaged tissues |
| B. | Blood platelets |
| C. | Both (a) and (b) |
| D. | Prothrombin |
| Answer» D. Prothrombin | |
| 2400. |
Which protein helps in disease resistance ? |
| A. | Albumin |
| B. | Fibrinogen |
| C. | globulin |
| D. | both (a) and (b) |
| Answer» D. both (a) and (b) | |