MCQOPTIONS
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MCQOPTIONS
This section includes 380 Mcqs, each offering curated multiple-choice questions to sharpen your BITSAT knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A covalent bond is also called as ____________ |
| A. | Atomic bond |
| B. | Metal bond |
| C. | Molecular bond |
| D. | Metal bond |
| Answer» D. Metal bond | |
| 2. |
Electrons that orbit outermost shell of an atom are called? |
| A. | Valence electrons |
| B. | Electrons |
| C. | Electron Coefficients |
| D. | Neutrons |
| Answer» B. Electrons | |
| 3. |
What is the time during which one half of a number of radioactive species decays or one half of their activity ceases? |
| A. | Half Life |
| B. | Super critical state |
| C. | Semi life |
| D. | Critical life |
| Answer» B. Super critical state | |
| 4. |
The net neutrons produced per initial neutron accounting for all possible losses is called? |
| A. | Bombardment |
| B. | Half life |
| C. | Multiplication factors |
| D. | Covalent bond |
| Answer» D. Covalent bond | |
| 5. |
To disrupt a nucleus and separate in into its component nucleons, energy must be supplied from outside and this energy is called? |
| A. | Bonding energy |
| B. | Kinetic energy |
| C. | Binding energy |
| D. | Nuclear energy |
| Answer» D. Nuclear energy | |
| 6. |
The total number of nucleons in the nucleus is called _________ |
| A. | Atomic number |
| B. | Mass number |
| C. | Electric charge |
| D. | Periodic number |
| Answer» C. Electric charge | |
| 7. |
Number of protons in the nucleus is called ___________ |
| A. | Atomic number |
| B. | Mass number |
| C. | Electric charge |
| D. | Periodic number |
| Answer» B. Mass number | |
| 8. |
Identify the element by its atomic structure? |
| A. | Hydrogen |
| B. | Helium |
| C. | Carbon |
| D. | Oxygen |
| Answer» C. Carbon | |
| 9. |
Identify the element by its Atomic structure. |
| A. | Helium |
| B. | Hydrogen |
| C. | Carbon |
| D. | Oxygen |
| Answer» C. Carbon | |
| 10. |
On which law is the nuclear energy explained? |
| A. | Einstein’s law |
| B. | Newton’s law |
| C. | Rutherford law |
| D. | Mendeleev law |
| Answer» B. Newton’s law | |
| 11. |
The atom as a whole is electrically charged. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Nucleus consists of two sub-particles known as? |
| A. | Nucleotides |
| B. | Nucleons |
| C. | Neutrons |
| D. | Nucleosides |
| Answer» C. Neutrons | |
| 13. |
What is the most attractive part of nuclear energy? |
| A. | Supports countries development |
| B. | Causes no pollution |
| C. | Has high efficiency of energy production |
| D. | Is available in abundance |
| Answer» C. Has high efficiency of energy production | |
| 14. |
How much amount of nuclear energy burnt is equivalent to the energy produced by 3000 tonnes of coal? |
| A. | 1kg |
| B. | 5kg |
| C. | 15kg |
| D. | 20kg |
| Answer» B. 5kg | |
| 15. |
Why has nuclear energy become an inevitable option for the development of the country? |
| A. | Because less pollution caused by nuclear plant |
| B. | High efficiency of nuclear energy |
| C. | Due to acute shortage of other sources of energy |
| D. | High cost of energy production of other sources |
| Answer» D. High cost of energy production of other sources | |
| 16. |
Light energy comes in form of |
| A. | proton |
| B. | positron |
| C. | photon |
| D. | neutron |
| Answer» D. neutron | |
| 17. |
By help of Moseley law atomic number of |
| A. | rare earths was find |
| B. | halogens was discovered |
| C. | hydrogen was determined |
| D. | none |
| Answer» B. halogens was discovered | |
| 18. |
The color which is produced in the glass tube is dependent upon |
| A. | composition of glass |
| B. | glass discharge |
| C. | glass appearance |
| D. | none |
| Answer» B. glass discharge | |
| 19. |
The frequency can be calculated by |
| A. | c*wave number |
| B. | quantity*wave number |
| C. | atom*wave number |
| D. | molecule*wave number |
| Answer» B. quantity*wave number | |
| 20. |
The orbit of hydrogen which is sixteen times away from first orbit is |
| A. | fifth orbit |
| B. | second orbit |
| C. | third orbit |
| D. | fourth orbit |
| Answer» E. | |
| 21. |
The radius of electron is inversely proportional to |
| A. | velocity |
| B. | square of velocity |
| C. | density |
| D. | square of density |
| Answer» C. density | |
| 22. |
The n+l value of 7s orbital is |
| A. | 7 |
| B. | 5 |
| C. | 1 |
| D. | 3 |
| Answer» B. 5 | |
| 23. |
The spectral lines of hydrogen atom which comes in IR region forms |
| A. | two series |
| B. | three series |
| C. | four series |
| D. | five series |
| Answer» C. four series | |
| 24. |
Alpha particles used by Rutherford was obtained from |
| A. | polonium |
| B. | titanium |
| C. | tactinium |
| D. | none |
| Answer» B. titanium | |
| 25. |
x107 is for |
| A. | Planck's constant |
| B. | Boltzmann constant |
| C. | Rutherford constant |
| D. | Rydberg constant |
| Answer» E. | |
| 26. |
The sub shell which is not sub-divided into any other orbital |
| A. | p-sub shell |
| B. | s-sub shell |
| C. | d-sub shell |
| D. | f-sub shell |
| Answer» C. d-sub shell | |
| 27. |
The mass of one neutron in kg is |
| A. | x10-27 |
| B. | x10-27 |
| C. | x10-27 |
| D. | x10-27 |
| Answer» D. x10-27 | |
| 28. |
To produce X rays anode is made up of |
| A. | heavy metals |
| B. | light metals |
| C. | none |
| D. | very delicate metal |
| Answer» B. light metals | |
| 29. |
The value of azimuthal quantum number always start from |
| A. | two |
| B. | one |
| C. | zero |
| D. | one |
| Answer» D. one | |
| 30. |
The s-sub shell have shape of |
| A. | circle |
| B. | spherical |
| C. | square |
| D. | none |
| Answer» C. square | |
| 31. |
The n+l value of 5f orbital is |
| A. | 3 |
| B. | 8 |
| C. | 6 |
| D. | 4 |
| Answer» C. 6 | |
| 32. |
The lines of longer wavelengths are described by |
| A. | L series |
| B. | K series |
| C. | M series |
| D. | N series |
| Answer» B. K series | |
| 33. |
The orbits in which electrons move according to Bohr are |
| A. | elliptical |
| B. | cylindrical |
| C. | circular |
| D. | oval |
| Answer» D. oval | |
| 34. |
The measurement of e/m was possible because of instrument made by |
| A. | JJ Thomson |
| B. | J Perrin |
| C. | Edison |
| D. | Bohr |
| Answer» B. J Perrin | |
| 35. |
The value of principle quantum number is always |
| A. | zero |
| B. | negative integers |
| C. | positive integers |
| D. | none |
| Answer» D. none | |
| 36. |
According to structure of atom electron should fall in |
| A. | nucleus |
| B. | shell |
| C. | outer environment |
| D. | space |
| Answer» B. shell | |
| 37. |
The shape of lobes which touch each other at the origin of p-sub shell is |
| A. | sphere |
| B. | circle |
| C. | egg |
| D. | none |
| Answer» D. none | |
| 38. |
The relative charge on neutron is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» E. | |
| 39. |
Thomson from his experiment on cathode rays concluded that every atom contains |
| A. | protons |
| B. | neutrons |
| C. | electrons |
| D. | anti neutrino |
| Answer» D. anti neutrino | |
| 40. |
Radioactive copper is used in treatment of |
| A. | goiter |
| B. | cancer |
| C. | throat infection |
| D. | fever |
| Answer» C. throat infection | |
| 41. |
The radiations of all wavelengths are present in |
| A. | yellow light |
| B. | black light |
| C. | white light |
| D. | brown light |
| Answer» D. brown light | |
| 42. |
When electron jumps from inner orbit to outer orbit energy is |
| A. | absorbed |
| B. | released |
| C. | no effect |
| D. | remains same |
| Answer» B. released | |
| 43. |
Azimuthal quantum number has |
| A. | two values |
| B. | three values |
| C. | four values |
| D. | five values |
| Answer» D. five values | |
| 44. |
Rutherford proposed about neutron that its mass should be equal to |
| A. | electron |
| B. | proton |
| C. | neutron |
| D. | anti neutrino |
| Answer» C. neutron | |
| 45. |
The magnetic properties of cathode rays were discovered in the year |
| A. | 1897 |
| B. | 1895 |
| C. | 1893 |
| D. | 1890 |
| Answer» B. 1895 | |
| 46. |
Neutron have not the property of |
| A. | producing neutrino |
| B. | ionize gases |
| C. | penetration |
| D. | being neutral |
| Answer» C. penetration | |
| 47. |
The metal which can be melted even by the warmth of human palm is |
| A. | indium |
| B. | gallium |
| C. | none |
| D. | aluminum |
| Answer» C. none | |
| 48. |
The radiation which bends to a greater degree has |
| A. | long wavelength |
| B. | small wavelength |
| C. | moderate wavelength |
| D. | very small wavelength |
| Answer» C. moderate wavelength | |
| 49. |
The energy is absorbed by body in the form of |
| A. | photons |
| B. | quantas |
| C. | waves |
| D. | energy |
| Answer» C. waves | |
| 50. |
Value of Principle quantum number represents |
| A. | sub shell |
| B. | space |
| C. | shell |
| D. | nucleus |
| Answer» D. nucleus | |