MCQOPTIONS
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MCQOPTIONS
This section includes 634 Mcqs, each offering curated multiple-choice questions to sharpen your Boolean Algebra and Logic Simplification knowledge and support exam preparation. Choose a topic below to get started.
| 451. |
Forms of cancer has been discovered till now are |
| A. | 100 |
| B. | 50 |
| C. | 200 |
| D. | 150 |
| Answer» D. 150 | |
| 452. |
Friction has |
| A. | only positive effects |
| B. | only negative effects |
| C. | no effect in our life |
| D. | both positive and negative effects |
| Answer» E. | |
| 453. |
A balanced chemical equation doesn't give any information about |
| A. | type of reaction |
| B. | rate of reaction |
| C. | products |
| D. | reactants |
| Answer» C. products | |
| 454. |
In gamma emission the change in nucleon number is |
| A. | definite |
| B. | zero |
| C. | decreases by 1 |
| D. | increase by 1 |
| Answer» C. decreases by 1 | |
| 455. |
An infinite slew rate refers to |
| A. | small time delay |
| B. | no time delay |
| C. | none of above |
| D. | large time delay |
| Answer» C. none of above | |
| 456. |
Methyl group which is one electron short results in formation of positively charged ion called as |
| A. | electrophile |
| B. | nucleophile |
| C. | anion |
| D. | carbocation |
| Answer» E. | |
| 457. |
Cardiovascular system is damaged by |
| A. | Nicotine |
| B. | CO |
| C. | None of above |
| D. | Both A and B |
| Answer» E. | |
| 458. |
Interaction that causes an object's momentum to change is |
| A. | acceleration |
| B. | velocity |
| C. | force |
| D. | power |
| Answer» D. power | |
| 459. |
Electronic configuration is evident by the successive |
| A. | polarity |
| B. | ionization energies |
| C. | All of Above |
| D. | electro negativity |
| Answer» C. All of Above | |
| 460. |
An unmarked mercury thermometer has l100 25 cm and l0 is 5 cm, if the lθ is 14 cm the temperature of the thermometer would be |
| A. | 50 °C |
| B. | 45 °C |
| C. | 40 °C |
| D. | 55 °C |
| Answer» C. 40 °C | |
| 461. |
Long term degenerative diseases are including |
| A. | malnutrition |
| B. | Coronary Heart Disease (CHD) |
| C. | sickle cell anemia |
| D. | mental diseases |
| Answer» C. sickle cell anemia | |
| 462. |
Liquids may become vapors |
| A. | without boiling |
| B. | upon boiling only |
| C. | at a temperature above the boiling point of a liquid |
| D. | at a temperature below the boiling point of a liquid |
| Answer» E. | |
| 463. |
Convectional current only occurs in |
| A. | liquids |
| B. | solids |
| C. | liquids and gases both |
| D. | gases |
| Answer» D. gases | |
| 464. |
Which of these molecular structures are giant ionic? |
| A. | MgO |
| B. | Na2O |
| C. | All of Above |
| D. | Al2O3 |
| Answer» D. Al2O3 | |
| 465. |
Higher oxidation states are generally found in compounds of |
| A. | carbon and oxygen |
| B. | oxygen and fluorine |
| C. | oxygen and hydrogen |
| D. | nitrogen and carbon |
| Answer» C. oxygen and hydrogen | |
| 466. |
A Pelvis helps |
| A. | to connect urethra to kidney |
| B. | in child birth |
| C. | to form the outer tough capsule of the kidneys |
| D. | to connect ureter to medulla |
| Answer» E. | |
| 467. |
Which of these do not react with Chlorine (g)? |
| A. | Mg(s) |
| B. | Si(s) |
| C. | P(s) |
| D. | Ar |
| Answer» E. | |
| 468. |
If two waves are in phase and have same amplitude then resultant wave has |
| A. | same amplitude as single wave |
| B. | half of amplitude of single wave |
| C. | thrice of amplitude of single wave |
| D. | twice of amplitude of single wave |
| Answer» E. | |
| 469. |
Which of these oxides are good conductors of electricity? |
| A. | Al2O3 |
| B. | Na2O |
| C. | All of Above |
| D. | MgO |
| Answer» D. MgO | |
| 470. |
Mass of an element in a compound can be calculated through |
| A. | Mr of the atoms ⁄ Ar of the compound |
| B. | Ar of the atoms ⁄ Mr of the compound |
| C. | (Ar of the atoms ⁄ Mr of the metal) x mass of sample |
| D. | (Ar of the atoms ⁄ Mr of the compound) x mass of sample |
| Answer» E. | |
| 471. |
The units of concentration is |
| A. | moldm-3s-1 |
| B. | moldm-3 |
| C. | none |
| D. | both a and b |
| Answer» C. none | |
| 472. |
In young double slit experiment, the wavelength of incident beams should be |
| A. | different |
| B. | same |
| C. | opposite |
| D. | zero |
| Answer» C. opposite | |
| 473. |
1.67*10-27kg is the weight of single atom of |
| A. | nitrogen |
| B. | oxygen |
| C. | water |
| D. | hydrogen |
| Answer» E. | |
| 474. |
The center of gravity of an irregular body lies on the |
| A. | center of body |
| B. | edge |
| C. | along the axis of rotation |
| D. | point of intersection of lines |
| Answer» E. | |
| 475. |
The freezing point of ethyl alcohol is -117 °C, which is equal to |
| A. | −390 K |
| B. | −156 K |
| C. | 390 K |
| D. | 156 K |
| Answer» E. | |
| 476. |
A molecule of aluminum chloride is formed by the bond called |
| A. | covalent bond |
| B. | ionic bond |
| C. | none |
| D. | co-ordinate bond |
| Answer» E. | |
| 477. |
The heat applied to a piece of metal will cause |
| A. | increase in its volume |
| B. | increase in its mass |
| C. | increase in its internal energy |
| D. | increase in its density |
| Answer» D. increase in its density | |
| 478. |
A constant temperature at which a pure solid changes into a pure liquid is called |
| A. | an elevation in boiling point |
| B. | latent heat of vaporization |
| C. | boiling point |
| D. | melting point |
| Answer» E. | |
| 479. |
Bleach has an approximate of |
| A. | 8 |
| B. | 5 |
| C. | 14 |
| D. | 11 |
| Answer» E. | |
| 480. |
Small particles in the depths of the lungs cause |
| A. | pneumonia |
| B. | influenza |
| C. | All of above |
| D. | asthma |
| Answer» D. asthma | |
| 481. |
In which of these, double covalent bond is formed? |
| A. | O2 |
| B. | CO2 |
| C. | All of Above |
| D. | C2H4 |
| Answer» D. C2H4 | |
| 482. |
A ball of an unknown mass is thrown upward at a speed of 10 m⁄s, calculate the maximum height reached by the ball if the acceleration due to gravity is assumed to be 10 m⁄s2. |
| A. | 10 m |
| B. | 5 m |
| C. | 1 m |
| D. | 0.5 m |
| Answer» C. 1 m | |
| 483. |
The system which suggested Roman numbers to name compounds is called as |
| A. | Stock Nomenclature |
| B. | periodic table |
| C. | All of Above |
| D. | Roman Nomenclature |
| Answer» B. periodic table | |
| 484. |
Which of these Group IV element bonds has the highest bond energy? |
| A. | Si-Si Bond |
| B. | C-C Bond |
| C. | O-O bond |
| D. | Ge-Ge Bond |
| Answer» C. O-O bond | |
| 485. |
An easy way to separate soluble and insoluble solids is |
| A. | decanting |
| B. | filtration |
| C. | None of Above |
| D. | sublimations |
| Answer» C. None of Above | |
| 486. |
Surface area is greater in |
| A. | powdered particles |
| B. | small particles |
| C. | crystals |
| D. | larger lumps |
| Answer» B. small particles | |
| 487. |
One mole of a hydrated salt is obtained from one mole of |
| A. | hydrated solute |
| B. | hydrated solvent |
| C. | All of Above |
| D. | anhydrous salt |
| Answer» E. | |
| 488. |
In a molecule of tertiary Halogenoalkanes carbon atom is bonded to |
| A. | 2 carbon atoms |
| B. | 3 carbon atoms |
| C. | none |
| D. | 4 carbon atom |
| Answer» C. none | |
| 489. |
The state which have regular arrangement and cannot change its shape is |
| A. | liquid |
| B. | solid |
| C. | All of Above |
| D. | gas |
| Answer» C. All of Above | |
| 490. |
A train with a whistle that emits a note of frequency 800 Hz is approaching an observer at speed of 60 ms-1, the frequency of note heard by observer is |
| A. | 980 Hz |
| B. | 978 Hz |
| C. | 900 Hz |
| D. | 950 Hz |
| Answer» C. 900 Hz | |
| 491. |
If we heat a solid the |
| A. | forces of attraction will increase |
| B. | vibration will increase |
| C. | All of Above |
| D. | solid change into gas |
| Answer» C. All of Above | |
| 492. |
Alternative techniques to crystallization involve |
| A. | centrifuging |
| B. | decanting |
| C. | None of Above |
| D. | Both A and B |
| Answer» E. | |
| 493. |
Upon thermal decomposition, Ca(NO3)2 decomposes into |
| A. | NO2 |
| B. | NO |
| C. | All of Above |
| D. | HNO3 |
| Answer» B. NO | |
| 494. |
Other than C, N, O, and H, main elements of a tree includes |
| A. | Chromium |
| B. | Calcium |
| C. | Phosphorus |
| D. | Nickel |
| Answer» D. Nickel | |
| 495. |
Iron has the specific heat capacity of |
| A. | 500 J kg-1 °C-1 |
| B. | 460 J kg-1 °C-1 |
| C. | 580 J kg-1 °C-1 |
| D. | 540 J kg-1 °C-1 |
| Answer» C. 580 J kg-1 °C-1 | |
| 496. |
Which of the given metals of Period 3 use the outer shell electrons in bonding with Chlorine? |
| A. | Al |
| B. | Na |
| C. | All of Above |
| D. | Si |
| Answer» D. Si | |
| 497. |
The smallest division on a rule is of |
| A. | 1 m |
| B. | 1 cm |
| C. | 10 cm |
| D. | 1 mm |
| Answer» E. | |
| 498. |
Reduction involves |
| A. | loss of oxygen |
| B. | gain in hydrogen |
| C. | None of Above |
| D. | Both A and B |
| Answer» E. | |
| 499. |
The relative formula C3H6 is of molecule |
| A. | ethene |
| B. | propene |
| C. | ethane |
| D. | propane |
| Answer» C. ethane | |
| 500. |
The alkaline solution of Ca(OH)2 has a pH of |
| A. | 11 |
| B. | 14 |
| C. | 9 |
| D. | 12 |
| Answer» B. 14 | |