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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 15351. |
Myelin sheaths are found:a) surrounding tendons b) covering the brain c) covering muscles d) around axons of neurons |
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Answer» AROUND AXONS OF NEURONS |
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| 15352. |
What ions determine the resting potential of a nerve?a) sodium and calcium b) calcium and copper c) potassium and calcium d) sodium and potassium |
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Answer» SODIUM AND POTASSIUM |
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| 15353. |
Identify the tree family which includes among its members the: New Mexico, Texas honey, thornless honey, water, black and honey. Name this tree family |
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Answer» New Mexico, Texas honey, thornless honey, water, black and honey. Name this tree family LOCUST. |
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| 15354. |
What element, whose symbol derived from the Latin for "liquid silver", has been found in Egyptian tombs from 1500 B.C.? |
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Answer» MERCURY element |
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| 15355. |
Rabi is so intelligent that he can understand anything. |
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Answer» Rabi is too intelligent to not understand anything. Ravi is too intelligent to understand anything |
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| 15356. |
The most suitable motor oil for use in a car in cold weather is: w) a high viscosity oil x) a low viscosity oil y) a medium viscosity oil |
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Answer» A LOW VISCOSITY OIL |
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| 15357. |
Which of the following vacuum pumps operates by using a very cold surface to trap the gases on the cold surface? Is it a: w) sublimation pump x) turbo pump y) cryopump z) diffusion pump. |
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Answer» CRYOPUMP operates by using a very cold surface to trap the gases on the cold surface. |
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| 15358. |
What is the name given to the invasion of warm surface waters off the Peruvian coast that has been identified with strange climactic effects in recent years? |
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Answer» EL NI¥O the invasion of warm surface waters off the Peruvian coast that has been identified with strange climactic effects in recent years. |
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| 15359. |
Name the general type of mammal that gives birth to undeveloped young that are kept in pouches. |
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Answer» MARSUPIAL gives birth to undeveloped young that are kept in pouches. |
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| 15360. |
History has instances where the desire for adornment occasionally transcends practical concerns like comfort and wear ability. Explain this with reference to ‘Panier’ |
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Answer» In 18th century Europe, women’s skirts expanded tremendously in width. The panier, a lighter supporting frame made of graduated oblong-shaped boned hoops stitched to an underskirt made the skirt so wide on either side of the hips that doors and stairways had to be widened to enable the wearer to pass through. |
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| 15361. |
Select the INCORRECT statement concerning the muscular system. a) Bones contact other bones at joints. b) Flexors decrease the angle of a joint. c) Adductors move a limb away from the midline. d) Tendons attach muscle to bone. |
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Answer» ADDUCTORS MOVE A LIMB AWAY FROM THE MIDLINE. |
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| 15362. |
What material found in bogs is the oldest fossil fuel used by man? |
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Answer» PEAT found in bogs is the oldest fossil fuel used by man. |
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| 15363. |
Iodine is obtained froma) Ulothrix b) Ectocarpus c) Laminaria d) Oedogonium |
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Answer» Iodine is obtained from Laminaria. |
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| 15364. |
Which are the most primitive group of algaea) Blue green algae b) Red algae c) Brown algae d) Green algae |
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Answer» a) Blue green algae |
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| 15365. |
The smallest of the FORMED elements of the blood are the:a) white cells b) red cells c) platelets d) erythrocytes |
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Answer» The smallest of the FORMED elements of the blood are the platelets . |
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| 15366. |
Occasionally, a bad cold will cause a decrease in a persons hearing ability. What is the name of the tube that becomes blocked to cause this problem? |
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Answer» EUSTACHIAN TUBE |
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| 15367. |
The placenta in humans is derived from the:a) embryo only b) uterus only c) endometrium and embryo d) none of the above |
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Answer» ENDOMETRIUM AND EMBRYO |
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| 15368. |
The smallest of the FORMED elements of the blood are the:a) white cells b) red cells c) platelets d) erythrocytes |
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Answer» The smallest of the FORMED elements of the blood are the platelets. |
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| 15369. |
Sargasso sea is named after an algae Sargassum which is aa) Green algae b) Brown algae c) Red algae d) Blue green algae |
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Answer» Sargasso sea is named after an algae Sargassum which is a Brown algae |
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| 15370. |
Origin and evolution of sex in algae is best seen ina) Blue green algae b) Green algae c) Red algae d) Brown algae |
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Answer» Origin and evolution of sex in algae is best seen in Green algae |
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| 15371. |
Which of the following is the most advanced group of algaea) Cyanophyta b) Rhodophyta c) Phaeophyta d) Chlorophyta |
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Answer» Rhodophyta is the most advanced group of algae. |
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| 15372. |
Which of the following statements concerning platelets is INCORRECT. Platelets:a) contain DNA b) are roughly disk-shaped c) have little ability to synthesize proteins d) are between 1/2 and 1/3 the diameter of the red cell |
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Answer» contain DNA statements concerning platelets is INCORRECT. Platelets. |
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| 15373. |
The uranium fuel used worldwide is mainly in the form of:w) U3O8 x) UO2 y) UF6 U) metal |
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Answer» The uranium fuel used worldwide is mainly in the form of UO2 . |
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| 15374. |
Lengthening of long bones in humans occurs in a particular area of the bone. This area is called the: a) medullary canal b) cancellous bone c) periosteum d) epiphysis |
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Answer» Lengthening of long bones in humans occurs in a particular area of the bone. This area is called the Epiphysis. |
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| 15375. |
Once the erythrocytes enter the blood in humans, it is estimated that they have an average lifetime of how many days. Is it:a) 10 days b) 120 days c) 200 days d) 360 days |
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Answer» Once the erythrocytes enter the blood in humans, it is estimated that they have an average lifetime of 120 days. Is it. |
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| 15376. |
The condition in which there is a DECREASE in the number of white blood cells in humans is known as:a) leukocytosis b) leukopenia c) leukemia d) leukohyperia |
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Answer» The condition in which there is a DECREASE in the number of white blood cells in humans is known as leukopenia. |
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| 15377. |
Which of the algae is responsible for red colour of red seaa) Chlamydomonas brauii b) Trichodesmium erythrium c) Ulothrix zonata d) None of the above |
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Answer» b) Trichodesmium erythrium |
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| 15378. |
When a human donor gives a pint of blood, it usually requires how many weeks for the body RESERVE of red corpuscles to be replaced? Is it:ba) 1 week b) 3 weeks c) 7 weeks d) 21 weeks |
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Answer» When a human donor gives a pint of blood, it usually requires 7weeks for the body RESERVE of red corpuscles to be replaced. |
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| 15379. |
Surplus red blood cells, needed to meet an emergency, are MAINLY stored in what organ of the human body? Is it the:a) pancreas b) spleen c) liver d) kidneys |
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Answer» Surplus red blood cells, needed to meet an emergency, are MAINLY stored in spleen organ of the human body. |
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| 15380. |
When a wound occurs in humans, the platelets in the blood activate a substance which starts the clotting process. The substance which starts the clotting is: a) adenosineb) histamine c) lecithin d) thrombin |
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Answer» When a wound occurs in humans, the platelets in the blood activate a substance Thrombin starts the clotting process. |
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| 15381. |
When looking at the cross section of the human tibia, one finds the RED marrow in the: a) medullary cavity b) cancellous boneec) periosteum d) epiphysis |
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Answer» medullary cavity |
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| 15382. |
Disease causing micro organisms are called..... a) Carriers b) Pathogens c) Antibodies d) Microbes |
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Answer» Disease causing micro organisms are called Pathogens. |
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| 15383. |
Hepatitis B is spread by: a) Bacteria b) Virus c) Protozoa d) Fungi |
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Answer» Hepatitis B is spread by Virus. |
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| 15384. |
Dengue fever is spread by a) House fly b) Female Anopheles mosquito c) Female Aedes mosquito |
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Answer» Dengue fever is spread by Female Aedes mosquito |
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| 15385. |
Sulphur containing coenzyme is (A) NAD(B) FAD (C) Pyridoxal phosphate (D) Biotin |
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Answer» Sulphur containing coenzyme is Biotin. |
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| 15386. |
wish my car _____ make so much noise. A) won’ t B) can’ t C) didn’ t D) doesn’ t |
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Answer» Correct option is C) didn’ t |
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| 15387. |
Sandy likes the green dress. She’ s _____ now. A) trying for it. B) trying it on C) trying them on D) trying on it |
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Answer» Correct option is B) trying it on |
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| 15388. |
The cell designed as `Pt_(H_(2))|HCl_(aq)||Hg_(2)Cl_(2),0.01 N KCl|Hg` has emf of `0.271 V` at `298 K` and `0.2669` at `308 K`. The `E_(H_(2)^(2+)//Hg)` is `0.260 V` If pressure of `H_(2)` is `2` atm, then `pH` of solution on negative electrode is :A. `0.036`B. `1.026`C. `2.096`D. `3.124` |
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Answer» `H_(2)to2H^(+)+2e` and `Hg_(2)^(2+)+2etoHg` `E_("cell")=E_(OP_(H))^(@)+E_(RP_(Hg_(2)Cl_(2)))+0.0591/2+log([Hg_(2)^(2+)]PH_(2))/([H^(+)]^(2))...(1)` `:.` At `298 K : -DeltaG=nEF` `=2xx0.271xx96500` `=-DeltaG=52.3xx10^(3) J=52.3 k J` `((deltaE)/(deltaT))_(P)=(E_(2)-E_(1))/(T_(2)-T_(1))=(0.2669-0.271)/10` `=-4.1xx10^(-4)` `DeltaH=nF[T((deltaE)/(deltaT))_(P)-E]` `=2xx96500[298xx(-4.1xx10^(-4))-0.271]` `DeltaH=-75.9xx10^(3) J=-75.9 kJ` Also `DeltaG=DeltaH-TDeltaS` `=-52.3=-75.9-298xxDeltaS` `:. DeltaS=-0.07992 k J =-79.2 J` Also be eq. (1) `0.271=0+0.260+0.0592/2 log([Hg_(2)^(2+)]P_(H_(2)))/([H^(+)]^(2))` `E_(OP_(H))=E_(OP_(H))^(@)-0.059/1 log(([H^(+)])/((P_(H_(2)))^(1//2)))` `0.011=0-0.059/1log(([H^(+)])/((2)^(1//2)))` `=-0.059/1log[H^(+)]0.059/1log(2)^(1//2)` `-log[H^(+)]=0.036` |
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| 15389. |
The cell designed as `Pt_(H_(2))|HCl_(aq)||Hg_(2)Cl_(2),0.01 N KCl|Hg` has emf of `0.271 V` at `298 K` and `0.2669` at `308 K`. The `E_(H_(2)^(2+)//Hg)` is `0.260 V` The `E^(@)` for oxidation electrode at `298 K` is:A. `0.011 V`B. `-0.011 V`C. `-0.022 V`D. `+0.022 V` |
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Answer» `H_(2)to2H^(+)+2e` and `Hg_(2)^(2+)+2etoHg` `E_("cell")=E_(OP_(H))^(@)+E_(RP_(Hg_(2)Cl_(2)))+0.0591/2+log([Hg_(2)^(2+)]PH_(2))/([H^(+)]^(2))...(1)` `:.` At `298 K : -DeltaG=nEF` `=2xx0.271xx96500` `=-DeltaG=52.3xx10^(3) J=52.3 k J` `((deltaE)/(deltaT))_(P)=(E_(2)-E_(1))/(T_(2)-T_(1))=(0.2669-0.271)/10` `=-4.1xx10^(-4)` `DeltaH=nF[T((deltaE)/(deltaT))_(P)-E]` `=2xx96500[298xx(-4.1xx10^(-4))-0.271]` `DeltaH=-75.9xx10^(3) J=-75.9 kJ` Also `DeltaG=DeltaH-TDeltaS` `=-52.3=-75.9-298xxDeltaS` `:. DeltaS=-0.07992 k J =-79.2 J` Also be eq. (1) `0.271=0+0.260+0.0592/2 log([Hg_(2)^(2+)]P_(H_(2)))/([H^(+)]^(2))` `E_(cell)=E_(OP_(H))+E_(RP_("Calomel")))` `0.271=E_(OP_(H))+0.260` `:. E_(OP_(H))=0.11 V` |
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| 15390. |
The cell designed as `Pt_(H_(2))|HCl_(aq)||Hg_(2)Cl_(2),0.01 N KCl|Hg` has emf of `0.271 V` at `298 K` and `0.2669` at `308 K`. The `E_(H_(2)^(2+)//Hg)` is `0.260 V` The change in free entropy during cell reaction is :A. `+79.2 k J`B. `-75.9 kJ`C. `+75.9 kJ`D. `-79.2 kJ` |
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Answer» `H_(2)to2H^(+)+2e` and `Hg_(2)^(2+)+2etoHg` `E_("cell")=E_(OP_(H))^(@)+E_(RP_(Hg_(2)Cl_(2)))+0.0591/2+log([Hg_(2)^(2+)]PH_(2))/([H^(+)]^(2))...(1)` `:.` At `298 K : -DeltaG=nEF` `=2xx0.271xx96500` `=-DeltaG=52.3xx10^(3) J=52.3 k J` `((deltaE)/(deltaT))_(P)=(E_(2)-E_(1))/(T_(2)-T_(1))=(0.2669-0.271)/10` `=-4.1xx10^(-4)` `DeltaH=nF[T((deltaE)/(deltaT))_(P)-E]` `=2xx96500[298xx(-4.1xx10^(-4))-0.271]` `DeltaH=-75.9xx10^(3) J=-75.9 kJ` Also `DeltaG=DeltaH-TDeltaS` `=-52.3=-75.9-298xxDeltaS` `:. DeltaS=-0.07992 k J =-79.2 J` Also be eq. (1) `0.271=0+0.260+0.0592/2 log([Hg_(2)^(2+)]P_(H_(2)))/([H^(+)]^(2))` |
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| 15391. |
The European countries didn’ t stop the war, _____ ? A) could they B) did they C) would they D) didn’ t they |
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Answer» Correct option is B) did they |
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| 15392. |
Hormone involved in photoperiodism is(1) IAA (2) Gibberellin (3) Kinetin (4) 2, 4-D |
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Answer» (2) Gibberellin |
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| 15393. |
Calculated `E_("cell")` for the cell will be: `P_(t)|(H_(2_((g)))),(1 "atm")||(1N KOH_((aq))),(prop = 75%)||((N)/(10)HCl_((aq))),(prop = 90%)||(H_(2_((g)))),(atm)|Pt`A. `- 0.68 v`B. `+ 0.68 v`C. `- 0.378 v`D. `+ 0.378 v` |
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Answer» Correct Answer - D Anodic rection `-` `KOH^(+) K^(+) + OH^(-)` `1 - 0.75 " " 0.75 " " 0.75` `[H^(+)]_(a) = (10^(-14))/(0.75)` Cathodic reaction `{:(HCl,hArr,H^(+),+,Cl^(-),),(0.1,,0,,0,),(,,0.1 xx 0.9,,0.1 xx 0.9,):}` `(H^(+))_(c ) = 0.09` `E_("cell") = 0 - (0.0591)/(2)log. ([H^(+)]_(a))/([H^(+)]_(c )) [E_("cell" = 0, "it is concentration cell"]` on solving `E_("cell") = 0.378v` |
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| 15394. |
In Excel, a _____is identified by the cell in the upper-left comer and the cell in the lowe-right comer, separated by a colon.A. worksheetB. valueC. cell referenceD. range |
| Answer» Correct Answer - D | |
| 15395. |
Ramon and Jorge weren’ t angry, _____ ? A) have they been B) did they C) have they D) were they |
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Answer» Correct option is D) were they |
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| 15396. |
What will be the work done in process CB for `1 mol` of an ideal gas if total `600` call heat is released by the gas in whole process. A. `400` calB. `600` calC. `800` calD. `1000` cal |
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Answer» Correct Answer - C For cyclic process `du = 0` `q = -w` `pv_(1) = 1 xx R xx 300` `pv_(2) = 1 xx R xx 400` `:. p(v_(2) - v_(1)) = R(400 - 300)` `q = -(w_(BA) + w_(AC) + w_(CB))` `-600 = -[0 - 2 (400 -300) + w_(CB)]` `w_(CB) = 800` cal. |
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| 15397. |
Gibberellin was first extracted from (1) Fusarium moniforme = Gibberella fujikuroi (2) Gellidium (3) Gracillaria (4) Aspergillus |
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Answer» (1) Fusarium moniforme = Gibberella fujikuroi |
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| 15398. |
Ray and Ida were not at work today, _____ ? A) weren’ t they B) they were C) they weren’ t D) were they |
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Answer» Correct option is D) were they |
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| 15399. |
On mixing `10 mL` of acetone with `40 mL` of chloroform,the total volume of the solution isA. `lt 50 ml`B. `gt 50 ml`C. `= 50 ml`D. can not predict |
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Answer» Correct Answer - A They make non ideal solution with negative deviation so `DeltaV_(mix) lt 50`. |
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| 15400. |
On mixing 20 mL of acetone with 30 mL of chloroform, the total volume of the solution is :(A) < 50 mL(B) = 50 mL(C) > 50 mL(D) = 10 mL |
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Answer» Option : (A) < 50 mL On mixing of acetone and chloroform. shows negative deviation from Roult's law. For such type of solution shows some decrease in volumes. Therefore, Final volume will be < 50 mL |
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