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2951.

Tick the unwanted effects of Metronidazole: a) Nausea, vomiting, diarrhea, stomatitis b) Hypertension c) Disturbances of peripheral blood circulation d) All of the above

Answer»

a) Nausea, vomiting, diarrhea, stomatitis

2952.

Mechanism of Rifampin action is: a) Inhibition of mycolic acids synthesis b) Inhibition of DNA dependent RNA polymerase c) Inhibition of topoisomerase II d) Inhibition of cAMP synthesis

Answer»

b) Inhibition of DNA dependent RNA polymerase

2953.

Streptomycin has the following unwanted effect: a) Cardiotoxicity b) Hepatotoxicity c) Retrobulbar neuritis with red-green color blindness d) Ototoxicity, nephrotoxicity 

Answer»

d) Ototoxicity, nephrotoxicity

2954.

Ethambutol has the following unwanted effect: a) Cardiotoxicity b) Immunetoxicity c) Retrobulbar neuritis with red-green color blindness d) Hepatotoxicity

Answer»

c) Retrobulbar neuritis with red-green color blindness

2955.

Mechanism of Streptomycin action is: a) Inhibition of cell wall synthesis b) Inhibition of protein synthesis c) Inhibition of RNA and DNA synthesis d) Inhibition of cell membranes permeability

Answer»

b) Inhibition of protein synthesis

2956.

Indication for cholecalciferol administration is: a) Hypercalcemia b) Parathyroid hormone deficiency c) Primary hyperparathyroidism d) Malabsorption of vitamin D from intestine

Answer»

d) Malabsorption of vitamin D from intestine

2957.

Which of the following statements refers to plicamycin (formerly mithramycin): a) Duration of action is usually several days b) Mechanism of cytotoxic action appears to involve its binding to DNA, possibly through an antibiotic-Mg2+ complex. c) The drug causes plasma calcium levels to decrease, apparently through an action on osteoclasts that is independent of its action on tumor cells and useful in hypercalcemia. d) All of the above. 

Answer»

d) All of the above.

2958.

Indication for calcium administration is: a) Failure of formation of vitamin D in skin b) Malabsorption of vitamin D from intestine c) Hypercalcemia of malignancy d) Vitamin D deficiency

Answer»

d) Vitamin D deficiency

2959.

Route of administration of cholecalciferol is: a) Subcutaneous b) Intranasal c) Intravenous d) Oral 

Answer»

Route of administration of cholecalciferol is Oral.

2960.

Isoniazid has following unwanted effect: a) Cardiotoxicity b) Hepatotoxicity, peripheral neuropathy c) Loss of hair d) Immunotoxicity

Answer»

b) Hepatotoxicity, peripheral neuropathy

2961.

Rifampin has the following unwanted effect: a) Dizziness, headache b) Loss of hair c) Flu-like syndrome, tubular necrosis d) Hepatotoxicity 

Answer»

c) Flu-like syndrome, tubular necrosis

2962.

Localized plastic deformation occurs in metallic glasses by a. Slip bands b. twinning c. vacancy annihilation d. crack nucleation

Answer»

a. Slip bands

2963.

The plastic deformation of metal takes place when the stress induced in the metal, due to the applied forces, reached the (a) Yield point (b)Proportional limit (c) Fatigue strength (d) Ultimate strength

Answer»

(a)Yield point 

2964.

From the figure the relative fractions of the phases at a given temperature for an alloy composition Co is obtained by the _______A. Lever rule B. Tie line C. Solidus line D. Liquidus line

Answer»

From the figure the relative fractions of the phases at a given temperature for an alloy composition Co is obtained by the Lever rule.

2965.

Three phases (Liquid+Alpha+Beta) coexist at point E, This point is called. A. Peritectic point B. Eutectic point C. Eutectoid point D. Eutectic point or composition

Answer» D. Eutectic point or composition
2966.

Along the phase boundaries, the phases on either side will be in ______ A. Equal B. Equilibrium C. Different D. Constant

Answer»

Along the phase boundaries, the phases on either side will be in Equilibrium.

2967.

Unwanted effect of plicamycin (formerly mithramycin) is: a) Diarrhea b) Myelosuppression c) Nephrolithiasis d) Metastatic calcifications 

Answer»

b) Myelosuppression

2968.

Indication for plicamycin (formerly mithramycin) administration is: a) Testicular cancers refractory to standard treatment b) Paget’s disease c) Hypercalcemia of malignancy d) All of the above 

Answer»

d) All of the above  

2969.

An invariant reaction that produces a solid up on cooling two liquids: A. Eutectic B. Peritectic C. Monotectic D. Syntectic 

Answer»

D. Syntectic 

2970.

Plastic strain of the monolithic metallic glasses can be improved by a. Increasing the cooling rate b. decreasing the cooling rate c. by creating non-homogeneous microstructured. none of the above

Answer»

a. Increasing the cooling rate

2971.

Due to strain-induced deformation occurring in TRIP steel, ductility a. increases b. decreases c. not affected d. none of the above

Answer»

a. increases

2972.

The reaction that yields two solid phases on cooling a single solid phase is called A. Eutectic B. Peritectoid C. Congruent D. Eutectoid

Answer»

D. Eutectoid 

2973.

On heating, if one solid phase splits into two solid phases, the reaction is A. Eutectoid B. Eutectic C. Peritectic D. Peritectoid 

Answer»

D. Peritectoid 

2974.

What is the % solubility and temperature of exist of Delta-ferrite? A. 0.05% and 273°c to 910°c B. 0.025% and 273°c to 910°c C. 2.1% and 910°c to 1394°c D. 0.09% and 1394°c to 1539°c

Answer»

D. 0.09% and 1394°c to 1539°c

2975.

What is the % solubility and temperature of exist of Alpha ferrite? A. 0.05% and 273°c to 910°c B. 0.025% and 273°c to 910°c C. 2.1% and 910°c to 1394°c D. 0.05% and 910°c to 1124°c

Answer»

B. 0.025% and 273°c to 910°c

2976.

A first solid phase results in a second solid plus another third solid phase up on heating during _______ reaction. A. Eutectoid B. Peritectic C. Eutectic D. Peritectoid

Answer»

A first solid phase results in a second solid plus another third solid phase up on heating during Peritectoid reaction.

2977.

It can be noted that the two substances are soluble in each other in the entire range of compositions in both liquid and solid state. This kind of system is known asA. Binary phase system B. Unary phase system C. Multiple phase system D.Isomorphoussystem

Answer»

D.Isomorphoussystem

2978.

What is the % solubility and temperature of exist of Gamma Austenite? A. 0.05% and 273°c to 910°c B. 0.025% and 273°c to 910°c C. 2.1% and 910°c to 1394°c D. 0.09% and 1394°c to 1539°c

Answer»

C. 2.1% and 910°c to 1394°c

2979.

Phases that exist on left side of an invariant reaction line are called A. Pro-phase B. Hypo-phase C. Hyper-phase D. None of the mentioned

Answer»

C. Hyper-phase 

2980.

A first solid phase results in a second solid phase another third solid phase on cooling during __________ reaction. A. Eutectoid B. Peritectic C. Eutectic D. Peritectoid

Answer»

A first solid phase results in a second solid phase another third solid phase on cooling during Eutectoid reaction.

2981.

A liquid phase produces two solid phases during _________ reaction up on cooling. A. Eutectic B. Eutectoid C. Peritectic D. Peritectoid 

Answer»

A liquid phase produces two solid phases during Eutectic  reaction up on cooling. 

2982.

How did the colonial rule influence the Latin American countries?

Answer»

The Europeans looted the wealth and resources of Latin American countries and even erased their traditional culture. The official language of most of the Latin American countries is Spanish.

After colonizing the entire Latin America, the Spanish, and the Portuguese propagated their language, religion, and customs there. They built houses and churches in Spanish style. Several schools were established for imparting Spanish system of education. The Spanish fanning methods and crops were adopted. New diseases spread from the Europeans to the Latin American people. Racial discrimination towards the people of the colonies was enforced in all walks of life.

  • Took away gold, silver, etc. from the Latin American mines. 
  • Never allowed the people of the colonies to engage in trade with countries other than Spain. 
  • The things produced in Spain were not permitted to be produced in the colonies. 
  • People had to work in hazardous environment in mines without any safety measures. 
  • Enslaved the natives to work in plantations.
2983.

What are carbohydrates?write the classification and function of carbohydrates

Answer»

The term carbohydrate is itself a combination of the “hydrates of carbon”. They are also known as “Saccharides” which is a derivation of the Greek word “Sakcharon” meaning sugar.

On the basis of the number of forming units, three major classes of carbohydrates can be defined:-
Monosaccharides,
Monosaccharides are the simplest carbohydrate which cannot be hydrolyzed further.
Oligosaccharides 
Oligosaccharides on hydrolysis give 2-10 units of monosaccharides. They are further classified as a disaccharide, trisaccharides, etc.
Polysaccharides.
Polysaccharides on hydrolysis give a large number of monosaccharide units.

2984.

The phase present in nickel aluminide is a. Tetragonal b. monoclinic c. triclinic d. ordered fcc

Answer»

d. ordered fcc

2985.

The reaction that on heating one solid phase yields another solid phase together with one liquid phase is termed A. Peritectic B. Peritectoid C. Eutectic D. Eutectoid 

Answer»

A. Peritectic 

2986.

The addition of ____ into nickel aluminide leads to improved ductility a. Boron b. chromium c. zirconium d. magnesium

Answer»

The addition of Boron into nickel aluminide leads to improved ductility. 

2987.

On heating, one solid phase results in another solid phase plus one liquid phase during ___ reaction. A. Eutectic B. Peritectic C. Monotectic D. Syntectic

Answer»

On heating, one solid phase results in another solid phase plus one liquid phase during Peritectic reaction.

2988.

Above the following line, liquid phase exist for all compositions in a phase diagram. A. Tie-line B. Solvus C. Solidus D. Liquidus

Answer»

The Correct option is C. Solidus 

2989.

Liquid phase is involved in the following reaction: A. Eutectoid B. Peritectoid C. Monotectoid D. None of the mentioned

Answer»

D. None of the mentioned

2990.

Nickel aluminide is a major strengthening phase in a. Superalloys b. shape memory alloys c. smart materials d. mild steel

Answer»

a. Superalloys

2991.

Not a basic step of precipitation strengthening A. Solutionizing B. Mixing and compacting C. Quenching D. Aging

Answer»

B. Mixing and compacting 

2992.

Both nucleation and growth require change in free energy to be _______A. Negative B. Zero C. Positive 10 D. Both positive and negative

Answer»

Both nucleation and growth require change in free energy to be Negative.

2993.

Not a typical site for nucleation during solid state transformation A. Container wall B. Grain boundaries C. Stacking faults D. Dislocations 

Answer»

A. Container wall 

2994.

Systole refers to the contraction ofA. AV nodeB. SA nodeC. Major arteriesD. Atria and ventricles

Answer» Correct Answer - D
Systole is contraction of both atria and ventricles.
2995.

"The Earth has enough resources to meet the needs of all but not enough to satisfy the greed of even one person". How is this statement relevant to the discussion of development? Discuss.

Answer»

"The Earth has enough resources to meet the needs of all but not enough to satisfy the greed of even one person". This statement is relevant to the discussion of development since both resources and development go hand in hand. For the sustainability of development, the maintenance of resources is also crucial. As the statement claims, the Earth has enough resources ”renewable and non-renewable” to satisfy everyone's needs; however, these need to be used with a view to keeping the environment protected and clean so that a balance of production and use is maintained, and shortages are avoided.

2996.

Which microtubule-associated motor protein is responsible for the movement of cilia?(a) kinesin(b) niacin(c) myosin(d) dynein

Answer» The correct option is (d) dynein

Easiest explanation: Dynein was the first cytoplasmic motor protein, associated with the microtubules, to be discovered in 1963 as the protein responsible for the movement of cilia and flagella.
2997.

The drug colchicine promotes microtubule _____________(a) disassembly(b) assembly(c) acidification(d) condensation

Answer» The correct choice is (a) disassembly

The explanation is: Drugs like nocodazole and colchicine promote the disassembly of microtubules. As a result of this disassembly, the Golgi complex originally located near the nucleus (center) is dispersed into peripheral region.
2998.

All the protofilaments of a microtubule have the same _____________(a) polarity(b) pH(c) fluorescence(d) torque

Answer» The correct answer is (a) polarity

The best I can explain: All protofilaments of a microtubule have the same polarity, with alpha-tubulin at one end and beta-tubulin at the other. The entire polymer of microfilament is polar in nature.
2999.

The presence of .................... organelle is only revealed by electron microscope. (a) chloroplast (b) mitochondria (c) Golgi bodies (d) lysosome

Answer»

(d) lysosome

3000.

Two identical glass bulbs are interconnected by a thin glass tube. A gas is filled in these bulbs at `N.T.P.` If one bulb is placed in ice and another bulb is placed in hot bath, then the pressure of the gas becomes `1.5` times. The temperature of hot bath will be A. `100^(@)C`B. `182^(@)C`C. `256^(@)C`D. `546^(@)C`

Answer» Correct Answer - D
Quantity of gas in these bulbs is constant i.e., initial no. of moles in both bulb = Final number of moles
`mu_(1) + mu_(2) = mu_(1) + mu_(2)`
`(PV)/(R(273)) + (PV)/(R(273)) = (1.5 PV)/(R(273)) + (1.5 PV)/(R(T))`
`rArr (2)/(273) = (1.5)/(273) + (1.5)/(T) rArr T = 819 K = 546^(@)C`