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Sciences Interview Questions
Questions Answers Views Company eMail

Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-239

AUAT, SSC,

8 23228

Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays

BCA, HCL,

4 17864

The difference between a nuclear reactor and an atom bomb is that 1 No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction 2 No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor 3 The chain reaction in nuclear reactor is controlled 4 None of these

 1 4273

How many colours the sunlight spectrum has ? 1 Five 2 Three 3 Seven 4 Nine

Siscom,

2 12667

What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 8500A-9800A

 1 4609

Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium

 1 3826

In an atomic explosion, enormous energy is released which is due to the 1 Conversion of neutrons into protons 2 Conversion of chemical energy into nuclear energy 3 Conversion of mass into energy 4 None of these

AHH, CMRL,

2 13671

Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays

 3 7935

Atoms of an element differ from those of all other elements in 1 Atomic number and electronic configuration 2 Atomic number and number of valence electrons 3 Number of neutrons and electronic configuration 4 None of these

 2 5083

Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these

WBCS West Bengal Civil Service,

2 13700

The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these

 1 6773

Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead

 3 11733

Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these

ECAT, Group 4 iv, Qnet, UPSC,

4 40960

Which of the following has the lease penetrating power? 1 Alpha particles 2 Beta particles 3 Gamma rays 4 All have the same penetrating power

 3 4122

Atoms are composed of 1 Electrons only 2 Protons only 3 Electrons and protons 4 Electrons and nuclei

 1 2642

Un-Answered Questions { Sciences }

What is supernatant?

675

What is the reaction characterized by degranulation of mast cells as a result of antigen-antibody complexes affixed to cell surfaces?

2154

What is the quaternary structure of a protein?

646

Which is the largest kangaroo in the world?

554

dear sir i need rrb chennai Section engineer S & T for last 2 year question papers. Plz send my email id is gsmaliniraj@yahoo.co.in, malinisankaram@gmail.com

1600




Briefly, describe about the foreignness of a molecule, which makes a substance antigenic?

167

what is partion and column chromatography

1819

What are the 8 steps that are involved in genetic engineering?

3509

What is slag in geology?

526

Explain how are ecological interactions classified?

53

What are the main categories of application software?

1703

How is the mesoderm (third germ layer) of triploblastic animals formed?

5

What are dendritic cells?

176

A solar eclipse can only occur at?

62

How to conduct Literature Survey for Generics Development for European Market

1872

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