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.
| 501. |
A base is a substance which neutralizes an |
| A. | base |
| B. | acid |
| C. | non-metals |
| D. | alkali |
| Answer» C. non-metals | |
| 502. |
A source of any wave is |
| A. | Oscillation |
| B. | Ventilation |
| C. | Force |
| D. | Energy |
| Answer» B. Ventilation | |
| 503. |
Metallic bonding is very strong because of |
| A. | volatility |
| B. | lattice |
| C. | All of Above |
| D. | electrostatic attraction |
| Answer» E. | |
| 504. |
Teapot is a good example of |
| A. | convection |
| B. | conduction |
| C. | conduction and radiation both |
| D. | radiation |
| Answer» E. | |
| 505. |
The x-rays are filtered out of human body by using |
| A. | carbon absorbers |
| B. | cadmium absorbers |
| C. | aluminum absorbers |
| D. | copper absorbers |
| Answer» D. copper absorbers | |
| 506. |
NO2 toxic fumes are produced as a result of thermal decomposition of nitrates. This NO2 is |
| A. | Nitrogen(II) oxide |
| B. | Nitrogen (III) oxide |
| C. | Nitrogen oxide |
| D. | Nitrogen (IV) oxide |
| Answer» E. | |
| 507. |
The number of acid salt formed by HCl is |
| A. | 1 |
| B. | 0 |
| C. | 3 |
| D. | 2 |
| Answer» C. 3 | |
| 508. |
Climbing ropes are made from |
| A. | wood |
| B. | plastic |
| C. | nylon |
| D. | rubber |
| Answer» D. rubber | |
| 509. |
Distance is a |
| A. | Vector quantity |
| B. | Scalar quantity |
| C. | Derived quantity |
| D. | Base quantity |
| Answer» C. Derived quantity | |
| 510. |
Consider the reaction: P4O10(s) + H2O (l) → H3PO4 (aq). The moles of H2O required to balance equation will be |
| A. | 4 |
| B. | 2 |
| C. | 8 |
| D. | 6 |
| Answer» E. | |
| 511. |
Genetic diseases are occurred when there are fault is in |
| A. | chromatids |
| B. | autosomes |
| C. | Male Y chromosome |
| D. | Female X chromosome |
| Answer» E. | |
| 512. |
Movement of glucose ions in the proximal convoluted tubule is an example of |
| A. | direct transport |
| B. | active transport |
| C. | secondary active transport |
| D. | inactive transport |
| Answer» D. inactive transport | |
| 513. |
For an object of mass 4 kg which one of the following statements is incorrect? |
| A. | Mass of the object on earth = Mass of the object on moon |
| B. | Weight of the object on earth = 10 × Mass of the object on earth |
| C. | Weight of the object on moon = 1⁄6 × Weight of the object on earth |
| D. | Weight of the object on earth = 1⁄6 × Weight of the object on moon |
| Answer» E. | |
| 514. |
Molecular formula helps in |
| A. | calculate molar mass |
| B. | writing balanced equation |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 515. |
Upon reaction of Cl2(aq) and H2O (l), HCl and HClO (aq) is formed, resulting in the |
| A. | not killing of bacteria and germs |
| B. | killing of bacteria and germs |
| C. | None of Above |
| D. | killing of insects |
| Answer» B. killing of bacteria and germs | |
| 516. |
Light interacts with matter as |
| A. | particle |
| B. | wave |
| C. | rays |
| D. | both A and B |
| Answer» B. wave | |
| 517. |
If acidified potassium dichromate (VI) acts as oxidizing agent, color changes from |
| A. | orange to green |
| B. | orange to red |
| C. | yellow to red |
| D. | yellow to green |
| Answer» E. | |
| 518. |
Vanillin is found in seed pods of |
| A. | rose |
| B. | vanilla orchid |
| C. | vanilla roots |
| D. | vanilla tree |
| Answer» C. vanilla roots | |
| 519. |
The insoluble salt is |
| A. | HgCl2 |
| B. | PbCl2 |
| C. | None of Above |
| D. | Both A and B |
| Answer» E. | |
| 520. |
Alpha particles have relatively |
| A. | high potential energy |
| B. | low kinetic energies |
| C. | high kinetic energy |
| D. | high mechanical energy |
| Answer» D. high mechanical energy | |
| 521. |
It becomes easier to loose electrons |
| A. | as we move down the Group II |
| B. | as we move up the Group II |
| C. | Group II elements are indifferent to gain of electrons |
| D. | Group II elements are indifferent to loss of electrons |
| Answer» B. as we move up the Group II | |
| 522. |
The electrons required for bonding between NH3 and hydrogen ion are provided by |
| A. | Hydrogen |
| B. | Nitrogen |
| C. | All of Above |
| D. | water |
| Answer» C. All of Above | |
| 523. |
The chemical formula of magnesium carbonate is |
| A. | MgCO3 |
| B. | MgCO3. H2O |
| C. | None of Above |
| D. | Mg2CO3 |
| Answer» B. MgCO3. H2O | |
| 524. |
In the process of solidification, thermal energy is |
| A. | given out |
| B. | taken in |
| C. | thermal energy isn't needed |
| D. | neither given out nor taken in |
| Answer» B. taken in | |
| 525. |
The diagram that shows the magnitude and direction is termed as |
| A. | Force diagram |
| B. | Scalar diagram |
| C. | Vector diagram |
| D. | Dimer diagram |
| Answer» D. Dimer diagram | |
| 526. |
Group 0 doesn't have covalent radius as they do not form bonds with each other are the atoms of |
| A. | metals |
| B. | noble gases |
| C. | metalloids |
| D. | non-metals |
| Answer» C. metalloids | |
| 527. |
A person of mass 'm' kg jumps from a height of 'h' meters, he will land on the ground with a velocity equal to: |
| A. | 1⁄h × ?(2 × g) |
| B. | ?(2 × g × h) |
| C. | 2?(g × h) |
| D. | 2gh |
| Answer» C. 2?(g × h) | |
| 528. |
In Na2CO3.10H2O, percentage of water is |
| A. | 0.1699 |
| B. | 0.5009 |
| C. | 0.6294 |
| D. | 0.6507 |
| Answer» D. 0.6507 | |
| 529. |
After Be, which of the given elements have highest MP in Group II elements? |
| A. | Ca |
| B. | Mg |
| C. | Ba |
| D. | Sr |
| Answer» B. Mg | |
| 530. |
Nitrogen always exists as |
| A. | di-atomic molecule |
| B. | mono atomic |
| C. | tertiary molecule |
| D. | sub-molecule |
| Answer» B. mono atomic | |
| 531. |
The total momentum within a closed system is |
| A. | decreasing |
| B. | increasing |
| C. | constant |
| D. | zero |
| Answer» D. zero | |
| 532. |
Consider the reaction: P(s) + O2 (g) → P4O10 (s). How many moles of O2(g) will be needed to balance the equation? |
| A. | 3 |
| B. | 1 |
| C. | 7 |
| D. | 5 |
| Answer» E. | |
| 533. |
The maximum current a battery of e.m.f 3.0 V and internal resistance 1.0 Ω is |
| A. | 5.0 A |
| B. | 4.0 A |
| C. | 30 A |
| D. | 3.0 A |
| Answer» E. | |
| 534. |
The formula of hydrated sodium carbonate is |
| A. | Na2CO3.(H2O)5 |
| B. | Na(HCO3)2 |
| C. | Na3CO4.10H2O |
| D. | Na2CO3.10H2O |
| Answer» E. | |
| 535. |
Which one of the following is not a bad conductor of heat? |
| A. | Plastic |
| B. | Wood |
| C. | Wool |
| D. | Copper |
| Answer» E. | |
| 536. |
Electromagnetic waves travel |
| A. | with medium |
| B. | without medium |
| C. | in a disturbed path |
| D. | with medium and without medium |
| Answer» E. | |
| 537. |
In plants, movement of water from cell to cell is |
| A. | referred to as plasmodesmata |
| B. | plasmodesmata |
| C. | referred to as apoplast pathways |
| D. | referred to as symplast pathways |
| Answer» E. | |
| 538. |
Hydrogen is used for making |
| A. | ammonia |
| B. | margarine |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 539. |
The electronegativity of Si is |
| A. | 1.5 |
| B. | 1.2 |
| C. | 2.1 |
| D. | 1.8 |
| Answer» E. | |
| 540. |
Blood Plasma and glomerular filtrate are different in concentrations of |
| A. | proteins |
| B. | water |
| C. | glucose |
| D. | amino acids |
| Answer» B. water | |
| 541. |
For synthesis of carboxylic acids the intermediate product needed is |
| A. | aryls |
| B. | Acyl chloride |
| C. | carboxylic acid |
| D. | benzene |
| Answer» C. carboxylic acid | |
| 542. |
The oxidation number for oxygen will always be |
| A. | −2 |
| B. | 2 |
| C. | -1 |
| D. | 1 |
| Answer» B. 2 | |
| 543. |
If a car starting from rest reaches a velocity of 18 ms-1 after 6.0 s then it's acceleration is |
| A. | 2 ms-2 |
| B. | 1 ms-2 |
| C. | 4 ms-2 |
| D. | 3 ms-2 |
| Answer» E. | |
| 544. |
Energy changes in a chemical reaction can be represented through |
| A. | energy prolific graph |
| B. | energy profile diagram |
| C. | data loggers |
| D. | Sensors |
| Answer» C. data loggers | |
| 545. |
Consider the equation ZnO + NaOH + H2O → Na2Zn(OH)4. balancing of the equation requires how many moles of product? |
| A. | 2 |
| B. | 1 |
| C. | 4 |
| D. | 3 |
| Answer» C. 4 | |
| 546. |
Crude oil is complex mixture of |
| A. | cycloalkanes |
| B. | alkanes |
| C. | all of them |
| D. | aromatic compounds |
| Answer» D. aromatic compounds | |
| 547. |
Gases have |
| A. | Variable shape and volume |
| B. | Fixed shape and volume |
| C. | Fixed shape but variable volume |
| D. | Variable shape but fixed volume |
| Answer» B. Fixed shape and volume | |
| 548. |
In order to test the presence of Chlorides, |
| A. | dilute HCl shall be added |
| B. | dilute HNO3 + Ag(NO3)2 shall be added |
| C. | dilute KOH shall be added |
| D. | dilute NaOH shall be added |
| Answer» C. dilute KOH shall be added | |
| 549. |
The incident ray, reflected ray and the normal lie at the same point' is a true statement of refraction. |
| A. | Wrong |
| B. | Right |
| C. | Neither right nor wrong |
| D. | May be right or may be wrong |
| Answer» C. Neither right nor wrong | |
| 550. |
While calculating the empirical formula, the simplest ratio is obtained by dividing |
| A. | by the largest number |
| B. | by the smallest number |
| C. | by the relative mass of a covalent compound |
| D. | by the relative atomic mass |
| Answer» C. by the relative mass of a covalent compound | |