Sciences Interview Questions
Questions Answers Views Company eMail

The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon

1 1410

Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium

1 1816

Water is a compound because 1 It exists as a solid, a liquid or a gas 2 It contains hydrogen and oxygen 3 It contains two different elements joined by chemical bonds 4 It cannot be split up into simpler substances by chemical means

1 5738

The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element

1 1238

Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent

3 5584

Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these

1 4831

The presence of which of the following salts in water causes corrosion in steam boilers? 1 Sodium chloride 2 Magnesium chloride 3 Calcium bicarbonate 4 Potassium bicarbonate

1 2285

When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these

1 4615

Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat

1 2211

The hardest substance available on earth is 1 Platinum 2 Coal 3 Diamond 4 Gold

FCI, University of Ilorin,

12 28743

Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115

1 1461

Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver

5 4422

The ratio of pure gold in 18 carat gold is 1 60% 2 75% 3 80% 4 100%

DSSSB-Delhi Subordinate Service Selection Board,

2 9494

The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat

Neyveli Lignite Corporation,

1 5151

The element found on the surface of the moon is 1 Tin 2 Tungsten 3 Tantalum 4 Titanium

RRB,

4 13308



Un-Answered Questions { Sciences }

Why algae Spirulina is called the food of the future?

476


what defines herbs from other plants?

421


In cats yellow is due to gene B and black to its allele b. These genes are located on the X chromosome (sex-linked). The heterozygous results in calico (tortoise shell). What kinds of offspring (sex & color) are expected from the cross: black male & calico female? Most calico males are sterile, why?

1069


Give procedure for Separation of dead cells from cultures ?

613


i want to increase my ups back time ,i have added one 12v 68ah battery to my ups but it is not working ,is it possible to make adjustment so that new battery will work.

1508


I want to pursue my career in finding out drugs/medicines to cure bacterial/viral /genitically caused diseases. which part of biotechnology should I choose?red or white biotechnology?If i had to choose red biotechnology should I do B.Tech in biotech or B.Tech in industrial biotech?what are the companies that offers job for a red biotechnologist?

552


what horticultural practices are required to advance the maturity of fruit?

435


Define miasma notion of disease?

562


when we calibrate uv for control of wavelength we scan for 200 to 800 nm but we get the result only for some specific wavelength how we confirm for all other wavelength?

658


What exepients are used in dry powder injections?

403


Describe the grafting in jasmine tree?

576


what's the effect of dichlorodiphenyl trichloroethane on plants?

440


what is DRG cell culture?

664


Can any one tell me that which brand hplc column is used for levetiracetam imp- b test.

262


Give an account on Genomic DNA isolation ?

951