Home / Question Papers / MPSC LECTURER IN BOTANY Screenig Test 2011 Question Paper

MPSC LECTURER IN BOTANY Screenig Test 2011 Question Paper

MPSC LECTURER IN BOTANY Screenig Test 2011 Question Paper

  1. The angular momentum quantum number is denoted by which letter?

(1) n

(2) s

(3) m

(4) l

  1. “No two electrons in an atom can have same set of four indentical quantum numbers.” It is the statements of

(1) Aufbau’s principle

(2) Hund’s rule

(3) Pauli’s exclusion principle

(4) None of these

  1. The effective nuclear charge zeta is nearly equal, to the nuclear charge for which orbital?

(1) 1s orbital

(2) Outermost orbital

(3) 2p orbital

(4) Total nuclear charge of all orbitals

  1. The molecule among CCI4, PCI3, SF4 and NH3, which does not contain lone pair of electrons around central atom is

(1) CCI4

(2) PCI3

(3) SF4

(4) NH3

  1. What is the bond order of carbon monoxide (CO) as per the molecular orbital configuration?

(1) Four

(2) Six

(3) Three

(4) Eight

  1. The magnitude of forces of attraction between the molecules of polar as well as non-polar substances is maximum in case of

(1) Solids

(2) Liquids

(3) Gases

(4) Colloids

  1. s-block elements consist of metals

(1) Highly electro-positive elements

(2) Low electro-positive elements

(3) Highly electro-negative elements

(4) Moderately electro-negative elements

  1. Alkali metals have minimum effective nuclear charge and hence they have the

(1) Smallest atomic radii

(2) Smallest atomic radii in their respective periods

(3) Largest atomic radii

(4) Largest atomic radii in their respective periods

  1. Diagonal relationship existing between a pair of s-block elements can be explained on the basis of

(1) Atomic volume and density

(2) Metallic and non-metallic character

(3) Polarising power and electro negativity

(4) Atomic and ionic radii

  1. The hydrides of the elements of which group are electron deficient and act as Lewis acid

(1) Gr. IA

(2) Gr. IIIA

(3) Gr. IVB

(4) Gr. IB

  1. Which halogen cannot form any interhalogen compound?

(1) Iodine

(2) Chlorine

(3) Bromine

(4) Fluorine

  1. Perovskite is the mineral having structure

(1) CaTiO3

(2) FeTiO3

(3) MgTiO3

(4) MgA12O4

  1. The purple colour of [Ti (H2O)6]3+

(1) Unpaired d-electron

(2) Transfer of an electron

(3) Presence of water molecule

(4) Reflection of light

  1. In CoCl3, 6NH3, CoCl3, 5NH3, CoCl3, 4NH3, and CoCl3, 3NH3 since the secondary valency of Co atom is six, each amine has

(1) Trigonal planar geometry

(2) Tetrahedral geometry

(3) Linear geometry

(4) Octahedral geometry

  1. The proper name of the compound [Co(NH3)5Co3]CI is

(1) Pentaammine carbonato cobalt (III) chloride

(2) Carbonato Pentaammine cobalt (III) chloride

(3) Chloro pentaammine cobalt (III) carbonate

(4) Pentaammine carbonato cobalt (II) Choride

  1. Silica readily dissolves in

(1) HF

(2) HCI

(3) HI

(4) HNO3

  1. The most common oxidation state of lanthanides is

(1) +4

(2) +3

(3) +5

(4) +7

  1. On alkylation of diborane, the product formed is

(1) Hexaalkyl diborane

(2) Tetraalkyl disborane

(3) Dialkyl diborane

(4) None of these

  1. Among the following lanthanides, the smallest size is that of

(1) Cerium

(2) Dysprosium

(3) Thulium

(4) Ytterbium

  1. The first actinide metal which resembles a lanthanide is

(1) Neptunium

(2) Americium

(3) Berkelium

(4) Uranium

  1. The principal oxidation state of thorium is

(1) +4

(2) +3

(3) +2

(4) +5

  1. Fe(CO)5 has a geometry which is

(1) octahedral

(2) Trigonal bipyramidal

(3) Square pyramidal

(4) None of these

  1. Unsaturated hydrocarbons can be separated from alkanes by the complex formed between this metal and the unsaturated hydrocarbon.

(1) Pt

(2) Ag

(3) Au

(4) Zn

  1. Which of the halide ions causes larger d orbital splitting?

(1) CI

(2) I

(3) Br

(4) F

  1. The infra-red absorption spectrum Fe2 (CO)9 indicates how many types of carbony1 groups in the cpmplex?

(1) 1

(2) 2

(3) 3

(4) Not clear

  1. The temperature above which an antiferromagnetic complex shows paramagnetic behavior is called

(1) Curie temperature

(2) Neel temperature

(3) Critical temperature

(4) Theta temperature

  1. When an alkene molecule complexes with a metal, tha alkene is susceptible to attack by

(1) Electrophiles

(2) Nucloeophiles

(3) Both (1) and (2)

(4) None of these

  1. The condition that arises due to excessive intake of iron to toxic level is

(1) Hemochromatosis

(2) Transferrins

(3) Ovotransferrins

(4) Lactoferrin

  1. The acid or base property of a substance is not inherent in the substance itself, is the limitation of

(1) Arrhenius concept

(2) Bronsted – Lowry concept

(3) Protonic concept

(4) Auto-ionisation concept

  1. When acetic acid (CH3COOH) is dissolved in liq. NH3 (ammonia)

(1) It behaves as strong base

(2) It behaves as strong acid

(3) Neutralisation reaction take place

(4) liq. NH3 (ammonia) behaves as an acid

  1. When KNH2 is mixed with liquor ammonia (NH3) solution of silver nitrate (AgNO3), the silver (Ag) precipitates as

(1) Nitrate salt

(2) Imide salt

(3) Solid metal

(4) Amide salt

  1. The inorganic salts containing highly charged ions like oxides, hydroxides, sulphides are practically

(1) soluble in liq. SO2

(2) Soluble in liq. NH3

(3) Insoluble in liq. NH3 and liq. SO2

(4) Soluble in both liq. SO2 and liq. NH3

  1. Non-ionising solvents have

(1) High dielectric constant and high dipole moment

(2) Low dipole moment and high dielectric constant

(3) Low dipole moment and low dielectric constant

(4) High polarity

  1. At constant temperature, the volume of a fixed mass of a gas is inversely proportional to its pressure, is

(1) Charles’ law

(2) Einstein’s law

(3) Boyle’s law

(4) Pressure –Temperature law

  1. The unit of ‘a’, the van der Waal’s constant is

(1) atm lit mol-1

(2) atm lit-1 mol-1

(3) atm lit2 mol-1

(4) atm lit-1 mol-2

  1. The gases which have their critical temperature above or just below the ordinary atmospheric temperature are liquefied by

(1) Linde’s method

(2) Faraday’s method

(3) Claude’s method

(4) Maxwell’s method

  1. In simple cubic lattice of NaCl, each particle is surrounded by

(1) Eight other particles

(2) Four other particles

(3) Six other particles

(4) Ten other particles

  1. The movement of sol particles under an applied electric field is called

(1) Electro filtration

(2) Electro-osmosis

(3) Electro kinetic phenomenon

(4) Electrophoresis

  1. An emulsion is a colloidal solution of a

(1) Solid dispersed in liquid

(2) Liquid dispersed in another liquid

(3) Liquid dispersed in solid

(4) None of above

  1. The function of alum used for purification of water is to

(1) Coagulate the colloidal particles

(2) Coagulate the sol particles

(3) Emulsify the sol particles

(4) Emulsify the colloidal particles

  1. The solution which does not show Tyndall effect is

(1) Suspension

(2) Colloidal solution

(3) True solution

(4) Emulsion

  1. The half-time of a first-order reaction is 90 days. Starting with a unit concentration of a reactant, after 360 days, the amount of reactant remaining is

(1) 1/16

(2) 1/8

(3) 1/4

(4) 1/2

  1. In which of the following processes does the entropy decrease?

(1) Dissolution of NaCI in water

(2) Evaporation of water

(3) Conversion of CO2 (g) into dry ice

(4) Spilling of food-grains on the ground

  1. The gas which does not show Joule-Thomson effect is

(1) CO2

(2) H2

(3) N2

(4) NH3

  1. In the phase diagram for water system, the number of curves representing monovariant system are

(1) One

(2) Two

(3) Three

(4) Four

  1. The disturbance in the equilibrium of NO and NO2 results into

(1) Acid rain

(2) Formation of smoke

(3) Green house effect

(4) Photochemical smog

  1. The type of cancer that is not caused due to exposure to ultraviolet radiations is

(1) Carcinoma

(2) Squamous

(3) Leukemia

(4) Melanoma

  1. The gas that does not cause house effect is

(1) CO2

(2) CFC

(3) N2O

(4) NO2

  1. The boiling point of which of the following compounds is unusually higher as compared to the other three?

(1) Ethanol

(2) Propane

(3) Dimethyl

(4) Ethyl Fluoride

  1. On what basic will you distinguish between cis and trans alkenes using H-NMR spectroscopy?

(1) Coupling constants

(2) Splitting pattern

(3) Chemical shifts

(4) All of the above

  1. From the pure rotation spectrum of HF molecule, information can be obtained about

(1) Force constant

(2) The internuclear distance

(3) Hydrogen bonding

(4) Bond strength

  1. According to Huckel’s rule, the ring is said to be aromatic if it contains

(1) 4, 8, 12 etc. electrons

(2) 2, 6, 10, 14 etc.  Electrons

(3) 1, 3, 5, 7 etc. electrons

(4) 5, 8, 12 etc.  Electrons

  1. In electrophilic substritution, reaction of aromatic rings, if an electrophile is a positive ion, it gives

(1) Carbocation

(2) Carboanion

(3) complexes

(4) None of the above

  1. When glycols are treated with acids, t hey can be rearranged to give

(1) Acetic acid

(2) Alcohols

(3) Aldehydes or ketones

(4) Tetra-substituted glycols

  1. when primary aromatic amines are treated with nitrous acid, it forms

(1) Diazonium salt

(2) Heterocyclic amines

(3) Nitro amines

(4) Amide

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