MCQOPTIONS
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MCQOPTIONS
This section includes 2242 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 451. |
Which of the following is not a unit of measurement for airspeed? |
| A. | Kilometers per hour |
| B. | Knots |
| C. | Miles per hour |
| D. | Pascal |
| Answer» E. | |
| 452. |
TAS increases as altitude increases. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 453. |
Antihistamines are only for H2 receptor antagonists. |
| A. | True |
| B. | False |
| Answer» C. | |
| 454. |
Synthesis of histamine needs the enzyme histidine decarboxylase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 455. |
Which of the following drug is of Piperazine class? |
| A. | Mepyramine |
| B. | Diphenhydramine |
| C. | Cyclizine |
| D. | Chlorphenamine |
| Answer» D. Chlorphenamine | |
| 456. |
Which of the following drug is of Alkylamine class? |
| A. | Mepyramine |
| B. | Diphenhydramine |
| C. | Cyclizine |
| D. | Chlorphenamine |
| Answer» E. | |
| 457. |
Which of the following drug is of Ethanolamine class? |
| A. | Mepyramine |
| B. | Diphenhydramine |
| C. | Cyclizine |
| D. | Chlorphenamine |
| Answer» C. Cyclizine | |
| 458. |
Which of the following drug is of Ethylenediamine class? |
| A. | Mepyramine |
| B. | Diphenhydramine |
| C. | Cyclizine |
| D. | Chlorphenamine |
| Answer» B. Diphenhydramine | |
| 459. |
Which of the following drug are over the counter drug? |
| A. | Loratidine |
| B. | Terfenadine |
| C. | Desloratidine |
| D. | Fexofenadine |
| Answer» B. Terfenadine | |
| 460. |
What are the characteristics of 2nd generation h1 receptor antagonists? |
| A. | Selective for peripheral H1 receptors |
| B. | Opposed to CNS H1 receptors |
| C. | Selective for peripheral H1 receptors and opposed to CNS receptors |
| D. | Selective to H1 receptors of CNS |
| Answer» D. Selective to H1 receptors of CNS | |
| 461. |
Which class of drugs has these common structural features? |
| A. | 1st generation antihistamines |
| B. | 2nd generation antihistamines |
| C. | 3rd generation antihistamines |
| D. | 4th generation antihistamines |
| Answer» B. 2nd generation antihistamines | |
| 462. |
In human ear, secretion of wax is done by___________ |
| A. | Cochlea |
| B. | Vestibule |
| C. | Basilar membrane |
| D. | Ceruminous glands |
| Answer» E. | |
| 463. |
Production of a large number of genetically similar plants through plant tissue culture is called __________ |
| A. | Recombinant DNA technology |
| B. | Gene therapy |
| C. | Micro propagation |
| D. | Hybridoma technology |
| Answer» D. Hybridoma technology | |
| 464. |
Which of the following bacterium is used for gene transfer in plants? |
| A. | Agrobacterium |
| B. | Azatobacter |
| C. | Rhizobium |
| D. | Ecoli |
| Answer» B. Azatobacter | |
| 465. |
Explant can be a __________ |
| A. | Cut part of the plant used in tissue culture |
| B. | Plant extract used in tissue culture |
| C. | Source of growth regulators added to media |
| D. | Solidifying agent |
| Answer» B. Plant extract used in tissue culture | |
| 466. |
Glucose is added to the tissue culture media as a/an __________ |
| A. | Carbon source |
| B. | Growth regulator |
| C. | Solidifying agent |
| D. | Antibiotic |
| Answer» B. Growth regulator | |
| 467. |
Gene therapy is a technique preferred to cure inherited diseases by __________ |
| A. | Repairing the faulty gene |
| B. | Introducing the correct copy of the gene |
| C. | Adding new cells to the body |
| D. | PCR |
| Answer» C. Adding new cells to the body | |
| 468. |
Dolly, the first animal produced by cloning is a __________ |
| A. | Cow |
| B. | Sheep |
| C. | Rat |
| D. | Dog |
| Answer» C. Rat | |
| 469. |
Transgenic organisms are generally __________ |
| A. | Extinct organisms |
| B. | Naturally occurring and endemic |
| C. | Produced by traditional plant breeding technique |
| D. | Produced by gene transfer technology |
| Answer» E. | |
| 470. |
Rauolfia serpentine, to save this plant under the threat of extinction, which of the following techniques is useful? |
| A. | Genetic engineering |
| B. | In vitro culture |
| C. | DNA fingerprinting |
| D. | Hybridoma technology |
| Answer» C. DNA fingerprinting | |
| 471. |
Potier method is very accurate due to __________ |
| A. | emfs are handled as voltage and mmf as AT |
| B. | emf and mmf are handled as AT |
| C. | emf and mmf are handled as voltage |
| D. | none of the mentioned |
| Answer» B. emf and mmf are handled as AT | |
| 472. |
The leakage reactance can be determined with lesser accuracy by using Potier triangle. |
| A. | True |
| B. | False |
| Answer» C. | |
| 473. |
From the OCC and SCC curves, what does the intercept BC represent? |
| A. | Armature reaction |
| B. | Leakage reactance |
| C. | Armature copper losses |
| D. | Sum of armature reaction and leakage reactance |
| Answer» C. Armature copper losses | |
| 474. |
From the OCC and SCC curves, what does the intercept AB represent? |
| A. | Armature reaction |
| B. | Leakage reactance |
| C. | Armature copper losses |
| D. | Sum of armature reaction and leakage reactance |
| Answer» B. Leakage reactance | |
| 475. |
The short circuit characteristic of alternator is a straight line due to __________ |
| A. | no saturation |
| B. | no armature reaction |
| C. | no eddy current |
| D. | all of the mentioned |
| Answer» B. no armature reaction | |
| 476. |
Phasor diagram below is best describing the __________ |
| A. | Open circuit characteristic of alternator |
| B. | Short circuit characteristic of alternator |
| C. | External circuit characteristic of alternator |
| D. | Internal circuit characteristic of alternator |
| Answer» B. Short circuit characteristic of alternator | |
| 477. |
The load angle δ is between __________ |
| A. | Ef and Ia |
| B. | Ia and field flux |
| C. | Ef and Vt |
| D. | Vt and Ia |
| Answer» D. Vt and Ia | |
| 478. |
The internal power factor angle Ψ is between __________ |
| A. | Ef and Ia |
| B. | Ia and field flux |
| C. | Ef and Vt |
| D. | Vt and Ia |
| Answer» B. Ia and field flux | |
| 479. |
If the resultant flux will not be in phase with the resultant mmf Fr. This is due to __________ |
| A. | hysteresis effect |
| B. | armature reaction |
| C. | hysteresis effect and armature reaction |
| D. | eddy currents |
| Answer» B. armature reaction | |
| 480. |
The flux addition is due to ______________ |
| A. | (i), (ii) |
| B. | (i), (ii), (iii) |
| C. | (iii) |
| D. | (ii), (iii)View Answer |
| Answer» B. (i), (ii), (iii) | |
| 481. |
A four-stage pilot plant was developed having _______ capacity of feed in order to get high yields of oil? |
| A. | 45 kg/hr |
| B. | 65 kg/hr |
| C. | 20 kg/hr |
| D. | 50 kg/hr |
| Answer» B. 65 kg/hr | |
| 482. |
How many beds does the recovery of oil from oil shale consists of? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 483. |
North America has vast deposits of oil-bearing rock, called shale, true of false? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 484. |
Crawling of cells over a substratum is an example of _________________ |
| A. | chemotraction |
| B. | neurodegenration |
| C. | nonmuscle motility |
| D. | muscular motility |
| Answer» D. muscular motility | |
| 485. |
Changes in cell shape occur due to changes in the orientation of cytoskeletal elements. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 486. |
Which of the following acts as an attractant for axons? |
| A. | netrin |
| B. | porphyrin |
| C. | integrin |
| D. | laminin |
| Answer» B. porphyrin | |
| 487. |
When was the first experimental evidence provided for axonal outgrowth and motility? |
| A. | 1907 |
| B. | 1807 |
| C. | 1847 |
| D. | 1947 |
| Answer» B. 1807 | |
| 488. |
Advancing edge of the lamellipodium is filled with actin. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 489. |
Which of the following are used to study cell locomotion in fish? |
| A. | myoblasts |
| B. | oocytes |
| C. | spermatocytes |
| D. | keratocytes |
| Answer» E. | |
| 490. |
Fluorescently labeled _________ can reveal the attachment sites of fibroblasts on substratum. |
| A. | cofilin |
| B. | flagella |
| C. | vinculin |
| D. | microtubules |
| Answer» D. microtubules | |
| 491. |
The Wiskott-Aldrich syndrome is caused due the lack of functional ____________ protein. |
| A. | ActA |
| B. | Arf1 |
| C. | WASP |
| D. | WAVE |
| Answer» D. WAVE | |
| 492. |
A galvanometer based recorder works on the principle of ________ |
| A. | Van der Wall’s effect |
| B. | D’Arsonval movement |
| C. | Paschen effect |
| D. | Azhimuthal quatum number |
| Answer» C. Paschen effect | |
| 493. |
How many types of tracing systems are used in graphical representation? |
| A. | two |
| B. | five |
| C. | ten |
| D. | one |
| Answer» B. five | |
| 494. |
Basic elements of a strip chart recorder are ________ |
| A. | chalk and board |
| B. | pen and pencil |
| C. | pencil and paper |
| D. | pen and chart paper |
| Answer» E. | |
| 495. |
Electronic recorders are of __________ |
| A. | 2 types |
| B. | 4 types |
| C. | 10 types |
| D. | 15 types |
| Answer» B. 4 types | |
| 496. |
What will be the output of the following C# expression? |
| A. | float |
| B. | int |
| C. | long |
| D. | none of the mentionedView Answer |
| Answer» C. long | |
| 497. |
Select the wrong statement about ‘ref’ keyword in C#? |
| A. | References can be called recursively |
| B. | The ‘ref’ keyword causes arguments to be passed by reference |
| C. | When ‘ref’ are used, any changes made to parameters in method will be reflected in variable when control is passed back to calling method |
| D. | All of the mentioned |
| Answer» B. The ‘ref’ keyword causes arguments to be passed by reference | |
| 498. |
Which reference modifier is used to define reference variable? |
| A. | & |
| B. | ref |
| C. | # |
| D. | $ |
| Answer» C. # | |
| 499. |
Find the total capacitances when two capacitors 2F and 5F are in series. |
| A. | 5/7 |
| B. | 12/7 |
| C. | 2/5 |
| D. | 10/7 |
| Answer» E. | |
| 500. |
Find the electric field due to charge density of 1/18 and distance from a point P is 0.5 in air(in 109 order) |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» D. 3 | |