Model Question Paper For Rajasthan Staff Nurse Exam 2018 / Rajasthan staff nurse model question paper Important Question for Physics, Chemistry, Biology and Zoology all General Science question with Answer 

Model Question Paper For Rajasthan Staff Nurse Exam 2018

PHYSICS –

Which of the following is constant in a projectile motion?

  • Horizontal Component of the velocity
  • Vertical Component of the velocity
  • Velocity of Projection
  • Resultant of the velocity of projection

Ans –  Horizontal Component of the velocity

 In Young’s double slit experiment, the type of diffraction is –

  • Fresnel
  • Fresnel and Fraunhofer both
  • None of these
  • Fraunhofer

Ans – Fresnel

 In L-R circuit with battery is connected at t = 0 Which of the following quantities is not zero just After the connection?

  • Current in th Ciruit
  • Magnetic field energy in the battery
  • Emf induced in the inductor
  • Power delivered by the battery

Ans – Emf induced in the inductor

 A circular disc is to be made using iron and aluminum. To keep its moment of inertia maximum about a geometrical axis, it should be so prepared that –

  • Aluminium at interior and iron surrounds it
  • Aluminium and iron layers in alternate order
  • Sheet of iron is used at both external surfaces and aluminium sheet as inner material
  • Iron at interior aluminium surrounds it

Ans – Aluminium at interior and iron surrounds it

A pure semiconductor behave, slightly as a conductor at –

  • Room Temperature
  • High Temperature
  • None of these
  • Low Temperature

Ans – Room Temperature

A whistle giving out 450 Hz approaches a stationary observer at a speed of 33m/sec. The frequency heard by the observer is –

  • 409 Hz
  • 500 HZ
  • 428 Hz
  • 517 Hz

Ans – 500 HZ

Model Question Paper For Rajasthan Staff Nurse Exam 2018

A particle revolves around a circular path, the centripetal acceleration of the particle is inversely proportional to –

  • Radius of the particle
  • Mass of the particle
  • Velocity of the Particle
  • None of these

Ans – Radius of the particle

A bullet is fired and gets embedded in a block kept on the table. If table is frictionless then.

  • Kinetic energy gets conserved
  • Potential energy gets conserved
  • Potent and kinetic, both energies are conserved
  • Momentum gets conserved

Ans -Momentum gets conserved

A current carrying conductor produces –

  • Neither magnetic field nor electric field
  • Both electric and magnetic field
  • Only Electric field
  • Only Magnetic field

Ans – Both  electric and Magnetic field

A 220 volt AC is more dangerous than 220 volts DC because –

  • Peak voltage for AC is much larger than 220 volt
  • The body offers less resistance to AC
  • The DC repels
  • The AC Attracts

Ans – Peak voltage for AC is much  larger than 220 volt

Light appears to travel in a straight line, because –

  • It is not absorbed by surrounding.
  • Its wavelength is very small
  • Its is reflected by surrounding
  • It velocity is large

Ans -Its wavelength is very small

X-ray will not show the phenomenon of-

  • Interference
  • Polarization
  • Diffraction
  • Deflection by electric field

Ans – Deflection by electric field

An object is placed at a distance of 10 cm from a convex lens of power 5D. Find the position of the image –

  • 20 CM
  • 30 CM
  • 40 CM
  • 50 CM

Ans – 20 CM

Model Question Paper For Rajasthan Staff Nurse Exam 2018

Chemistry –

Radioactive decay follows the –

  • Third order kinetics
  • Zero order kinetics
  • First order kinetics
  • Second order kinetics

Answer  – First order kinetics

The aluminium carbide is treated with water, we get –

  • Acetaldehyde
  • Methane
  • Ethylene
  • Ethyl formate

Answer  – Methane

Hydrolysis of HCN Gives –

  • Acetaldehyde
  • Formaldehyde
  • Formic acid
  • Acetic acid

Answer  – Formic acid

The metal that is extracted from sea-water is –

  • Mg
  • Ca
  • CL
  • Br

Answer  – MG

Chlorine reacts with benzaldehyde to give –

  • Chlorobenzene
  • Benzyl Chloride
  • Benzal Chloride
  • Benzal Chloride

Answer  – Benzyl Chloride

Six protons are found in the nucleus of –

  • Lithium
  • Helium
  • Carbon
  • Boron

Answer  – Carbon

An aldehyde on oxidation gives –

  • An amine
  • An alcohol
  • A ketone
  • An acid

Answer  – An Acid

Insulin, a hormone, is chemically a –

  • Fat
  • Carbohydrate
  • Steroid
  • Protein

Answer  – Protein

Nucleus of an element has 19 protons. Its valency is –

  • 1
  • 2
  • 3
  • 4

Answer  – 1

The correct chemical name for (CH3)3 CH would be –

  • 2- methyl propane
  • Dimethyl ethane
  • Butane
  • Isopropyl methane

Answer  – Methyl propane – 2

The oxygen atom ether is –

  • Comparatively inert
  • Active
  • Very Active
  • Replacement

Comparatively inert

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An electric current is passed through an aqueous solution of the following. Which one shall decompose?

  • Ethyl alcohol
  • Silver nitrate
  • Glucose
  • Urea

Silver nitrate

Bleaching action of SO2 is due to its –

  • Acidic property
  • Reducing property
  • Oxidizing Property
  • Basic Property

Reducing Property

The strongest reducing agent is –

  • AL
  • K
  • Br
  • Mg.

Answer  – K

Which of the following is the lightest gas?

  • Nitrogen
  • Methane
  • Hydrogen
  • Oxygen

Answer  – Hydrogen

Which of the following metals is sometimes found native in nature?

  • Copper
  • Aluminum
  • Magnesium
  • Iron

Ans. – Iron

Which of the following gases shows the least chemical reactivity?

  • Ammonia
  • Argon
  • Methane
  • Hydrogen Sulphide

Ans. – Argon

Starch can be used as an indicator for the detection of traces of- 

  • Urea in blood
  • Proteins in blood
  • Glucose in aqueous solution
  • Iodine in aqueous solution.

Iodine in aqueous solution.

The element with the highest first ionization potential is –

  • Carbon
  • Oxygen
  • Nitrogen
  • Boron

Nitrogen

Mil is colloidal system in which?

  • Water is dispersed in fat
  • Fat and water is dispersed in each other
  • Fat is dispersed in water
  • Fat is dissolved

Fat is dispersed in water

By heating ammonium cyanate or urea, we get-

  • Biuret
  • Ammonium nitrate
  • CO2
  • N2

Ans. – Biuret

Glass is a –

  • Transparent organic polymer
  • Supercooled liquid
  • Liquid
  • Solid

Ans. –  Supercooled liquid

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Botany –

Klinefelter’s syndrome results from the fusion of –

  • An XY egg and an YY sperm/ XY
  • An XX egg and a YY sperm/ XX
  • An XX egg and a Y sperm/ XX
  • An X egg and a YY sperm/ X

An XX egg and a Y sperm/ XX

Who wrote ‘Species Planetarium’ and provided a basis for classification of plants?

  • Carolus Linnaeus
  • Robert Hooke
  • Leeuwenhoek
  • Charles Darwin

Carolus Linnaeus

Choose the correct statements –

  • Mitochondria and chloroplast transfer energy
  • Mitochondria is a power house of cell as it produces most of the cellular ATP
  • Mitochondria and chloroplast are found in all eukaryotic cells
  • Mitochondria are the sites of anaerobic respiration.

Answers – I, II,

The Technique of DNA fingerprinting was initially developed by –

  • Muller
  • Griffith
  • Miescher
  • Alec Jeifrys

Answers-  Alec Jeifrys

What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?

  • 42
  • 84
  • 21
  • 63

Answers-

Human Genome Project (HGP) was closely associated with the rapid development of a new area in biology known as –

  1. Biotechnology
  2. Bioinformatics
  3. Biogeography
  4. Systematic

Answers- Bioinformatics

The tendency of water to move towards greater solute concentration is the example of

  1. Passive transport
  2. Active transport
  3. Diffusion
  4. Osmolarity

Answers- Diffusion

Synopsis occurs between –

  1. mRNA and ribosomes/,RNA
  2. A male and a female gamete
  3. Two homologus chromosomes
  4. Spindle fibres and centromere

Answers- Two homologus chromosomes

Two nuclear divisions occur during meiosismeiosis I and meiosis II.Meiosis reduces the chromosome number and introduces genetic variations in the offsprings. Which of the following events does not occur during prophase I in meiosis –

  1. Disintegration of spindle fibres
  2. Pairing of homologous chromosomes/
  3. Formation of spindle fibres/
  4. Crossing over between homologous chromosomes

Disintegration of spindle fibres

A species of a plant is known to have a diploid chromo some number of 14 in each of its cells. Which of the following would be the number of chromosomes found in each cell of one of its polyploidy relatives?

  1. 18
  2. 14
  3. 28
  4. 30

Answer – 28

Cleistogamous flower produce assured seed-set even in the absence of pollinator, why?

  1. Because they are autogamous
  2. Because they are coloured
  3. Because they remain open
  4. Because they have fragrance

Because they are autogamous

Which of the following process helps in nutrient conservation

  1. Carboxylation
  2. Nitrification
  3. Mineralization
  4. Leaching

Mineralization

ICBN is –

  1. International Classification of Biological Nomenclature
  2. International Code of Biological Naming/
  3. International Code of Botanical Nomenclature
  4. Internal Class of Biological Nomenclature

International Code of Botanical Nomenclature

Leaves of which of the following plants are used for the rearing of Silkworms-

  • Peepal
  • Oak
  • Teak
  • Neem

Answers- Teak

The process of transcription is terminated by –

  1. Sigma factor
  2. rho protein/ rho
  3. RNA polymerase/ RNA
  4. Endonuclease

Right Ans. – rho protein/ rho

Model Question Paper For Rajasthan Staff Nurse Exam 2018

Model Question Paper For Rajasthan Staff Nurse Exam 2018

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