MCQOPTIONS
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MCQOPTIONS
This section includes 856 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 551. |
The residue left after extracting juice from sugarbeet and sugarcane is called |
| A. | olasses |
| B. | agasse |
| C. | hey |
| D. | iomass |
| Answer» C. hey | |
| 552. |
Which of the following vegetable oils does not contain essential fatty acids ? |
| A. | unflower oil |
| B. | ustard oil |
| C. | oconut oil |
| D. | roundnut oil |
| Answer» B. ustard oil | |
| 553. |
Gelatin is mostly used in making ice-creams in order to |
| A. | revent making a colloid |
| B. | tabilise the colloid and prevent crystallisation |
| C. | tabilise mixture |
| D. | nrich the aroma |
| Answer» C. tabilise mixture | |
| 554. |
Suspension particles have the size between |
| A. | 0–2 – 10–4 cm |
| B. | 0–5 – 10–7cm |
| C. | 0–8 – 10–10cm |
| D. | 0–1 – 10–2 cm |
| Answer» B. 0–5 – 10–7cm | |
| 555. |
Which is a natural colloid ? |
| A. | odium chloride |
| B. | rea |
| C. | ane-sugar |
| D. | lood |
| Answer» E. | |
| 556. |
A colloidal system in which a liquid is dispersed in a liquid is called |
| A. | el |
| B. | mulsion |
| C. | ol |
| D. | recipitate |
| Answer» C. ol | |
| 557. |
Muddy water is treated with alum in purification process, it is termed as : |
| A. | mulsification |
| B. | bsorption |
| C. | dsorption |
| D. | oagulation |
| Answer» E. | |
| 558. |
An emulsifier is an agent which |
| A. | tabilises an emulsion |
| B. | ids the flocculation of an emulsion |
| C. | ccelerates the dispersion |
| D. | omogenises an emulsion |
| Answer» B. ids the flocculation of an emulsion | |
| 559. |
Milk is a natural |
| A. | olution |
| B. | mulsion |
| C. | ixture |
| D. | uspension |
| Answer» C. ixture | |
| 560. |
Milk is |
| A. | mulsion |
| B. | uspension |
| C. | oam |
| D. | el |
| Answer» B. uspension | |
| 561. |
Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? |
| A. | ethane |
| B. | itrogen |
| C. | elium |
| D. | ydrogen |
| Answer» C. elium | |
| 562. |
Which one of the following is not a fertilizer? |
| A. | mmonium sulphate |
| B. | alcium sulphate |
| C. | alcium ammonium nitrate |
| D. | otassium nitrate |
| Answer» C. alcium ammonium nitrate | |
| 563. |
The three elements most needed in common fertilisers are : |
| A. | ulphur, Phosphorous and Sodium |
| B. | itrogen, Potassium and Phosphorous |
| C. | hosphorous, Sodium and Nitrogen |
| D. | alcium, Phosphorous and Potassium |
| Answer» C. hosphorous, Sodium and Nitrogen | |
| 564. |
An emulsion is a colloidal solution of |
| A. | iquid in liquid |
| B. | olid in liquid |
| C. | as in solid |
| D. | olid in Solid |
| Answer» B. olid in liquid | |
| 565. |
An emulsion is a colloid of a |
| A. | as in a liquid |
| B. | iquid in a liquid |
| C. | iquid in a gas |
| D. | as in a solid |
| Answer» C. iquid in a gas | |
| 566. |
Milk is a colloidal system in which: |
| A. | ater is dispersed in fat |
| B. | at is dispersed in water |
| C. | at and water are dispersed in each other |
| D. | at is dissolved |
| Answer» C. at and water are dispersed in each other | |
| 567. |
White phosphorus is always kept under |
| A. | enzene |
| B. | erosene |
| C. | ther |
| D. | ater |
| Answer» E. | |
| 568. |
Which of the following is not soluble in water ? |
| A. | ead Sulphate |
| B. | inc sulphate |
| C. | otassium sulphate |
| D. | odium sulphate |
| Answer» C. otassium sulphate | |
| 569. |
Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? |
| A. | odium |
| B. | eon |
| C. | ydrogen |
| D. | itrogen |
| Answer» B. eon | |
| 570. |
In deep-sea diving, divers use a mixture of gases consisting of oxygen and |
| A. | ydrogen |
| B. | itrogen |
| C. | rgon |
| D. | elium |
| Answer» C. rgon | |
| 571. |
The green colour seen in firework displays is due to the chloride salt of : |
| A. | odium |
| B. | trontium |
| C. | arium |
| D. | alcium |
| Answer» D. alcium | |
| 572. |
The name of unreactive gas is |
| A. | arbon dioxide |
| B. | ydrogen |
| C. | itrogen |
| D. | xygen |
| Answer» D. xygen | |
| 573. |
The most suitable unit for expressing nuclear radius is : |
| A. | anometre |
| B. | ermi |
| C. | ngstrom |
| D. | icron |
| Answer» C. ngstrom | |
| 574. |
'Atomic theory' of matter was given by |
| A. | vogadro |
| B. | alton |
| C. | ewton |
| D. | ascal |
| Answer» C. ewton | |
| 575. |
The orientation of an atomic orbital is governed by |
| A. | rincipal quantum number |
| B. | agnetic quantum number |
| C. | pin quantum number |
| D. | zimuthal quantum number |
| Answer» C. pin quantum number | |
| 576. |
The nuclear particle having no mass and no charge, but only spin is |
| A. | roton |
| B. | eutrino |
| C. | eson |
| D. | lectron |
| Answer» C. eson | |
| 577. |
If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by |
| A. | ercury |
| B. | ead |
| C. | ron |
| D. | rsenic |
| Answer» C. ron | |
| 578. |
If the sewage is fully oxidized, the nitrogen is in the form of |
| A. | itrites |
| B. | mmonia |
| C. | itramines |
| D. | itrates |
| Answer» E. | |
| 579. |
Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? |
| A. | utrophication |
| B. | ardness |
| C. | lkalinity |
| D. | cidity |
| Answer» B. ardness | |
| 580. |
Which one of the following elements is least likely to be found in commercial fertilisers? |
| A. | itrogen |
| B. | hosphorous |
| C. | otassium |
| D. | ilicon |
| Answer» E. | |
| 581. |
Which one of the following has greatest mass ? |
| A. | lectron |
| B. | roton |
| C. | eutron |
| D. | ydrogen nucleus |
| Answer» D. ydrogen nucleus | |
| 582. |
Conduction band electrons have more mobility than holes because they |
| A. | re lighter |
| B. | xperience collision less frequently |
| C. | ave negative charge |
| D. | eed less energy to move them |
| Answer» C. ave negative charge | |
| 583. |
Nucleons are regarded as composites sub-particles known as |
| A. | esons |
| B. | uarks |
| C. | eptons |
| D. | hotons |
| Answer» C. eptons | |
| 584. |
When there are two electrons in the same orbital, they have: |
| A. | ame spin |
| B. | pposite spin |
| C. | ame or opposite spin |
| D. | o spin |
| Answer» C. ame or opposite spin | |
| 585. |
Which component referred to as 'Milk sugar'? |
| A. | actose |
| B. | altose |
| C. | alactose |
| D. | ucrose |
| Answer» B. altose | |
| 586. |
Which of the following metals causes Itai-Itai disease ? |
| A. | admium |
| B. | hromium |
| C. | obalt |
| D. | opper |
| Answer» B. hromium | |
| 587. |
When formaldehyde and potassium hydroxide are heated, we get |
| A. | cetylene |
| B. | ethyl alcohol |
| C. | ethane |
| D. | thyl formate |
| Answer» C. ethane | |
| 588. |
Wood spirit is |
| A. | ethyl alcohol |
| B. | thyl alcohol |
| C. | utyl alcohol |
| D. | ropyl alcohol |
| Answer» B. thyl alcohol | |
| 589. |
The reaction intermediate formed during the preparation of diethyl ether from ethanol by treatment with H2SO4 is |
| A. | arbanion |
| B. | arbocation |
| C. | arbene |
| D. | ree radical |
| Answer» C. arbene | |
| 590. |
Rectified spirit is : |
| A. | 5% ethyl alcohol |
| B. | 00% ethyl alcohol |
| C. | ethylated spirit |
| D. | incture iodine |
| Answer» B. 00% ethyl alcohol | |
| 591. |
Molasses a by-product in the manufacture of sugar, is converted into |
| A. | lcohol |
| B. | aper |
| C. | uel |
| D. | ulp |
| Answer» B. aper | |
| 592. |
The new strain of bacteria produced by biotechnology in alcohol industry is |
| A. | scherichia coli |
| B. | accharomyces cerevisiae |
| C. | acillus subtilis |
| D. | seudomonas putida |
| Answer» E. | |
| 593. |
Isobars are lines joining places having equal |
| A. | ainfall |
| B. | ressure |
| C. | opulation |
| D. | eight above sea-level |
| Answer» C. opulation | |
| 594. |
The value of gas constant R in Ergs deg–1 mole–1 is |
| A. | .314 × 107 |
| B. | .341 × 107 |
| C. | .413 × 107 |
| D. | .183 × 107 |
| Answer» B. .341 × 107 | |
| 595. |
The molecular mass of a gas is |
| A. | wice its vapour pressure |
| B. | qual to its vapour pressure |
| C. | alf its vapour pressure |
| D. | ot related to its vapour pressure |
| Answer» B. qual to its vapour pressure | |
| 596. |
Activated Charcoal is used to remove colouring matter from pure substances by |
| A. | leaching |
| B. | xidation |
| C. | dsorption |
| D. | eduction |
| Answer» D. eduction | |
| 597. |
Alcohol prepared by the distillation of wood is : |
| A. | ropyl alcohol |
| B. | ethyl alcohol |
| C. | thyl alcohol |
| D. | lycerol |
| Answer» C. thyl alcohol | |
| 598. |
Ethanol containing 5% water is known as |
| A. | ectified spirit |
| B. | enatured spirit |
| C. | ethylated alcohol |
| D. | ower alcohol |
| Answer» B. enatured spirit | |
| 599. |
Which of the following is used to denature ethanol ? |
| A. | ethyl alcohol |
| B. | ropyl alcohol |
| C. | henol |
| D. | ethane |
| Answer» B. ropyl alcohol | |
| 600. |
The Fungus which is used in the alcohol industry is |
| A. | ushroom |
| B. | andida Aibicans |
| C. | east |
| D. | hizopus |
| Answer» D. hizopus | |