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Latest MHT CET PCB Exam Question (Objective Questions), MCQ in English
Subjects : Physics, Chemistry, Biology
Question Bank MHT CET PCB Exam - English
Physics
Q 1 :
Temperature can be expressed as derived quantity in terms of
A.length and mass
B.mass and time
C.length, mass and time
D.None of these
Q 2 :
Electron volt is a unit of
A.potential difference
B.charge
C.energy
D.capacity
Q 3 :
Dimensions of impulse are
A.[MLT –1]
B.[MLT²]
C.[MT–2]
D.[ML–1T–3]
Q 4 :
Potential is measured in
A.joule/coulomb
B.watt/coulomb
C.newton–second
D.None of these
Q 5 :
One Nanometer is equal to
A.10–9m
B.10–6m
C.10–10m
D.10–3m
Q 6 :
Maxwell is the unit of
A.magnetic susceptibility
B.intensity of Magnetisation
C.magnetic Flux
D.magnetic Permeability
Q 7 :
Which of the following is derived physical quantity ?
A.Mass
B.Velocity
C.Length
D.Time
Q 8 :
What are the units of magnetic permeability ?
A.Wb A–1 m–1
B.Wb–1 Am
C.Wb A m–1
D.Wb A–1 m
Q 9 :
The dimensions of pressure gradient are
A.[ML–2 T–2]
B.[ML–2 T–1]
C.[ML–1 T–1]
D.[ML–1 T–2]
Q 10 :
The dimensions of Rydberg's constant are
A.[M0L–1T]
B.[MLT–1]
C.[M0 L–1T0]
D.[ML0 T2]
Q 11 :
'Farad' is the unit of
A.resistance
B.conductance
C.capacitance
D.inductance
Q 12 :
S.I. unit of surface tension is
A.degree/cm
B.N/m
C.N/m²
D.Nm
Q 13 :
Which one of the following pairs does not have the same dimension ?
A.Potential energy and Kinetic energy
B.Density and specific gravity
C.Focal length and height
D.Gravitational force and frictional force
Q 14 :
Which one of the following physical quantity has the same unit as that of pressure ?
A.Angular momentum
B.Stress
C.Strain
D.Work
Q 15 :
The symbol of SI unit of inductance is H. It stands for
A.Holm
B.Halogen
C.Henry
D.Hertz
Q 16 :
Light year is a measure of
A.time
B.distance
C.total amount of light falling on the Earth in a year
D.average intensity of light falling on the Earth in a year
Q 17 :
Which one of the following is not a dimension less quantity ?
A.Strain
B.Relative density
C.Frequency
D.Angle
Q 18 :
The dimensions of universal gas constant are
A.[L² M¹ T–2 K–1]
B.[L¹ M² T–2 K–1]
C.[L¹ M¹ T–2 K–1]
D.[L² M² T–2 K–1]
Q 19 :
The dimensions of magnetic moment are
A.[L²A¹]
B.[L²A–1]
C.[L²/A³]
D.[LA²]
Q 20 :
The dimensions of Wien's constant are
A.[ML0TK]
B.[M0LT0K]
C.[M0L0TK]
D.[MLTK]
Q 21 :
The dimensional formula of wave number is
A.[M0L0T–1]
B.[M0L–1T0]
C.[M–1 L–1 T0]
D.[M0 L0 T0]
Q 22 :
The dimensional of Hubble ‘s wave number is
A.[T–1]
B.[M0L0T–2]
C.[MLT4]
D.[MT–1]
Q 23 :
The dimensions of solar constant is
A.[M0L0T0]
B.[MLT–2]
C.[ML²T–2]
D.MT–3
Q 24 :
The dimensional formula for entropy is
A.[MLT–2K¹]
B.[ML2 T-2]
C.[ML²T–2K–1]
D.[ML²T–2K]
Q 25 :
Dimension of specific heat are
A.[ML² T–2 K]
B.[ML² T–2 K–1]
C.[ML²T²K–1]
D.[L²T–2K–2]
Q 26 :
The physical quantity which has the dimensional formula [M¹T–3] is
A.surface tension
B.solar constant
C.density
D.compressibility
Q 27 :
Which one of the following elements is used as a timekeeper in atomic clocks ?
A.Potassium
B.Caesium
C.Calcium
D.Magnesium
Q 28 :
Which one of the following is the value of one nanometer ?
A.10–7 cm
B.10–6 cm
C.10–4 cm
D.10–3 cm
Q 29 :
What is the unit of pressure ?
A.Newton/sq. meter
B.Newton–meter
C.Newton
D.Newton/meter
Q 30 :
The unit of pressure is
A.kg/cm²
B.kg/cm
C.kg/mm
D.kg/cm3
Q 31 :
Which one of the following quantities doe not have unit ?
A.Stress
B.Force
C.Strain
D.Pressure
Q 32 :
Dimensional formula for thermal conductivity is here K denotes the temperature:
A.MLT–2K
B.MLT–2K–2
C.MLT–3K
D.MLT–3K–1
Q 33 :
Which of the following is the unit of molar gas constant ?
A.JK–1 mol–1
B.Joule
C.JK–1
D.J mol–1
Q 34 :
Density of liquid is 16.8 g cm–3. Its value in the International System of Units is
A.16.8 kgm–3
B.168 kgm–3
C.1680 kgm–3
D.16800 kgm–3
Q 35 :
The dimensional formula of couple is
A.[ML² T–2]
B.[MLT²]
C.[ML–1T–3]
D.[ML–2T–2]
Q 36 :
Subtract 0.2 J from 7.26 J and express the result with correct number of significant figures.
A.7.1 J
B.7.06 J
C.7.0 J
D.7 J
Q 37 :
Multiply 107.88 by 0610 and express the result with correct number of significant figures.
A.65.8068
B.65.807
C.65.81
D.65.8
Q 38 :
When 97.52 is divided by 2.54, the correct result is
A.38.3937
B.38.394
C.38.39
D.38.4
Q 39 :
Which of the following is the most accurate ?
A.200.0m
B.20 × 10¹ m
C.2×10²m
D.data is inadequate
Q 40 :
The area of a square is 5.29 cm². The area of 7 such square taking into account the significant figures is:
A.37cm²
B.37.030 cm²
C.37.03 cm²
D.37.0 cm²
Q 41 :
The SI unit of coeffient of mutual inductance of a coil is
A.henry
B.volt
C.farad
D.weber
Q 42 :
The S.I. unit of pole strength is
A.Am²
B.Am
C.Am–1
D.Am–2
Q 43 :
Which is dimensionless ?
A.Force/acceleration
B.Velocity/accerleration
C.Volume/area
D.Energy/work
Q 44 :
The expression [ML–1T–2] does not represent
A.pressure
B.power
C.Stress
D.Young's modulus
Q 45 :
The dimensional formul of current density is
A.[M0L–2T–1Q]
B.[M0L2T1Q–1]
C.[MLT–1Q]
D.[ML–2T–1Q²]
Q 46 :
Match the List – I with List – II
List - I List - II
(Units) (Physical quantity)
A. Watt 1. Electric charge
B. Tesla 2. Power
C. Coulomb 3. Luminous intensity
D. Candela 4. Magnetic field
Select the correct answer from the codes given below :
A.A B C D
1 4 1 3
B.1 2 3 4
C.1 2 4 3
D.2 4 3 1
Q 47 :
Match the List – I with List – II
List - I List - II
(Physical quantity) (Units)
A. Power 1. kg ms–1
B. Energy 2. kg m²s–1
C. Momentum 3. Nm–2
D. Pressure 4. kW
5. kWh
Select the correct answer from the codes given below :
A.A B C D
4 5 1 3
B.4 5 1 2
C.5 4 1 2
D.5 4 2 3
Q 48 :
What is the correct sequence in which the lengths of the following units increase ?
(1) Angstrom
(2) Micron
(3) Nanometer
Select the correct answer from the codes given below :
A.1, 2, 3
B.3, 1, 2
C.1, 3, 2
D.2, 3, 1
Q 49 :
Match the List – I with List – II
List - I List - II
(Physical quantitiy) (Units)
A. Density 1. [MLT–2]
B. Force 2. [ML–3]
C. Energy 3. [MLT–1]
D. Momentum 4. [ML2T–2]
Select the correct answer from the codes given below :
A.A B C D
3 2 4 1
B.1 2 3 4
C.2 1 4 3
D.3 2 1 4
Q 50 :
Match the List – I with List – II
List - I List - II
(Physical quanitity) (Units)
A. Solid angle 1. pascal
B. Impulse 2. Steradian
C. Viscosity 3. Newton–second
D. Pressure 4. Pascal–second
Select the correct answer from the codes given below :
A.A B C D
2 4 3 1
B.2 3 4 1
C.1 4 3 2
D.1 3 4 2
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Which one of the following is not contained in Portland cement ?
A.Ca3Al2O6
B.Ca3SiO5
C.Ca2SiO4
D.Ca3(PO4)2
Q 53 :
What is the reson for white cement to be white ?
A.It does not contain carbon
B.It does not contain silicon
C.It does not contain iron
D.It does not contain calcium
Q 54 :
Which fertilizer is assimilated directly by the plant ?
A.Super phosphate
B.Nitrolim
C.Muriate of Potash
D.Humus
Q 55 :
Which of the following chemicals is used in foam fire extinguishers ?
A.Aluminium sulphate
B.Copper sulphate
C.Cobalt sulphate
D.Nickel sulphate
Q 56 :
What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?
A.Glass
B.Cement
C.paint
D.Gun powder
Q 57 :
Which one of the following chemicals is used in beauty parlours for hair – setting ?
A.Sulphur based
B.Phosphorus based
C.Silicon based
D.Iron based
Q 58 :
Which one of the following is used as a mordant in dyeing and tanning industry ?
A.Magnesium oxide
B.Magnesium carbonate
C.Magnesium chloride
D.Magnesium sulphate
Q 59 :
Which one of the following substances is used in the manufacture of safety matches ?
A.Red phosphorus
B.White phosphorus
C.Phosphorus trioxide (P2O3)
D.Black phosphorus
Q 60 :
Which one of the following polymeric materials is used for making bullet proof jacket ?
A.Nylon –6, 6
B.Rayon
C.Kevlar
D.Dacron
Q 61 :
Which one of the following is another name of RDX
A.Cyanohydrin
B.Dextran
C.Cyclohexane
D.Cyclonite
Q 62 :
Which one of the following is used as an explosive ?
A.Phosphorus trichloride
B.Mercuric oxide
C.Graphite
D.Nitroglycerine
Q 63 :
Flint glass is obtained from which of the following ?
A.Zinc and barium borosilicate
B.Sand, red lead and potassium carbonate
C.Sodium aluminium borosilicate
D.Pure silica and zinc oxide
Q 64 :
Which one of the following correctly defines the state of glass ?
A.Crystalline solid
B.Super cooled liquid
C.Condensed gas
D.Liquid crystal
Q 65 :
Which one of the following is not used as fertilizer ?
A.Ammonium nitrate
B.Ammonium sulphide
C.Ammonium phosphate
D.Ammonium sulphate
Q 66 :
Which one of the following elements is needed in the human body to transfer electrical signals by nerve cells ?
A.Lithium
B.Sodium
C.Rubidium
D.Caesium
Q 67 :
Which one of the following is NOT true for bleaching powder ?
A.It is used as a reducing agent in chemical industries
B.It is used for bleaching wood pup in paper factories
C.It is used for disinfecting drinking water
D.It is used for bleaching linen in textile industry
Q 68 :
Hard glass having the same ingredientsas soft glass excepts.
A.hard glass have Na in place of K
B.hard glass having K in place of Na
C.hard glass having both Na and K
D.None of the above
Q 69 :
A complete fertilizer provides
A.N,P, K
B.S, K, N
C.S, B, K
D.N, S, P
Q 70 :
Antacids are commonly used to get rid of acidity in the Stomach. A commonly used antacid is.
A.sodium hydrogen phthalate
B.magnesium hydroxide
C.calcium hydroxide
D.manganese acetate
Q 71 :
Annealing of glass is done to.
A.make it brittle
B.make it opaque
C.make it transparent
D.None of the above
Q 72 :
Petrochemicals are obtained from.
A.coal
B.petroleum
C.coal tar
D.All of these
Q 73 :
The use of chemicals for treatment of diseases is called as.
A.isothermotherapy
B.angiotherapy
C.physiotherapy
D.chemotherapy
Q 74 :
Which of the following is a hypnotic drug ?
A.luminal
B.salol
C.catechol
D.chemisol
Q 75 :
Teflon is a polymer of which of the following monomers ?
A.Tetrafluoroethylene
B.Vinyl chloride
C.Acetylene dichloride
D.None of the above/More than one of the above
Q 76 :
LPG used as domestic fuel chiefly contains–
A.Methane
B.Propane
C.Ethylene
D.Butane
E.None of the above/More than one of the above
Q 77 :
Glass is a.
A.liquid
B.colloid
C.non–crystalline amorphous solid
D.crystalline solid
Q 78 :
Which one of the following acids is used for etching glass ?
A.H2SO4
B.HNO3
C.HF
D.HCI
Q 79 :
What is the purpose of adding plasticizers in paint manufacturing process ?
A.They act as a film–forming constituent
B.They reduce the viscosity
C.They prevent the polymerization and condensation
D.They provide elasticity to the film and minimize its cracking
Q 80 :
Which raw material is used in the preperation of soft glass ?
A.K2CO3, SiO2, CaCO3
B.K2CO3, SiO2, PbCO3
C.Na2CO3, SiO2, CaCO3
D.Na2CO3, SiO2, PbO
Q 81 :
What is the composition of nitrolim – a chemical fertilizer ?
A.Nitrogen and limestone
B.Calcium carbide and nitrogen
C.Calcium carbide and carbon
D.None of above
Q 82 :
the major component used in preparation of different type of glasses is.
A.Silica
B.Sodium borate
C.Calcium silicate
D.Sodium silicate
Q 83 :
Salts of which of the following elements provide colours to fireworks ?
A.Zinc and sulphur
B.Potassium and mercury
C.Strontium and barium
D.Chromium and nickel
Q 84 :
Given below are two statements :
Statement I : Phenyl is used as a household germicide.
Statement II : Phenyl is phenol derivative and phenol is an effective germicide.
In the light of the above statement, choose the correct answer from the options given below:
A.Both Statement I and II are correct and Statement II is the correct explanation of Statement I
B.Both Statement I and Statement II are true but Statement II is NOT the correct explanation of Statement I
C.Statement I is correct, but Statement II is incorrect
D.Statement I is incorrect, but Statement II is correct
Q 85 :
Given below are two statements :
Statement I : Coal–based thermal power stations contribute to acid–rain.
Statement II : Oxides of carbon are emitted when coal burns.
In the light of the above statement, choose the correct answer from the options given below:
A.Both Statement I and II are individually correct and Statement II is the correct explanation of Statement I
B.Both Statement I and Statement II are individiaully correct but Statement II is not the correct explanation of Statement I
C.Statement I is correct, but Statement II is incorrect
D.Statement I is incorrect, but Statement II is correct
Q 86 :
Terfenadine is commonly used as a/an.
A.transquilizer
B.antihistamine
C.antimicrobial
D.antibiotic
Q 87 :
Which one of the following is not a tranqualizer ?
A.Equanil
B.Veronal
C.Salvarsan
D.Serotonin
Q 88 :
Barbituric acid and its derivatives are well known.
A.antipyretics
B.analgesics
C.antiseptics
D.tranquilizers
Q 89 :
Which one among is not an analgesic ?
A.Ibuprofen
B.Naproxen
C.Aspirin
D.Valium
Q 90 :
Various phenol derivatives, tincture of iodine (2 – 3%) I 2 in (water/alcohol) and some dyes like methylene blue are.
A.antiseptics
B.disinfectants
C.analgesics
D.antipyretics
Q 91 :
Commonly used antiseptics 'Dettol' is a mixture of.
A.o–chlorophenozylenol + terpeneol
B.o–cresol + terpeneol
C.phenol + terpeneol
D.chloroxylenol + terpeneol
Q 92 :
Which of the following is not an antiseptic drug ?
A.Iodoform
B.Dettol
C.Gammexene
D.Genatian violet
Q 93 :
Which one of the following substances is made from natural raw materials ?
A.Rayon
B.Nylon
C.Polyster
D.Polystyrene
Q 94 :
The polymeric fibre used as a substitute for wool in making synthetic blankets, sweaters, etc. is.
A.nylon
B.teflon
C.orlon
D.bakelite
Q 95 :
The cleaning of dirty clothes by soaps and detergents is deue to a type of molecules called surfactants, which are present in soaps and detergents. The surfactant molecules remove the dirt by.
A.making the cloth slippery
B.producing some gases between the dirt and the cloth
C.dissolving the dirt
D.forming some aggregates of themselves and take away the dirt in the core of the aggregates
Q 96 :
Contact lenses are made from.
A.polyvinyl chloride
B.polystyrene
C.lucite
D.teflon
Q 97 :
On of the occupational health hazards commonly faced by workers of ceramics, pottery and glass industry is.
A.stone formation in gall bladder
B.melanoma
C.silicosis
D.stone formation in kidney
Q 98 :
vermicompost is an/a.
A.inorganic fertilizer
B.toxic substance
C.organic bio fertilizer
D.synthetic fertilizer
Q 99 :
The macro nutrients provided by inorganic fertilizer are.
A.carbon, iron and boron
B.magnesium, manganese and sulphur
C.magnesiu, zinc and iron
D.nitrogen, phosphorus and potassium
Q 100 :
Which one of the following statement is not correct ?
A.Water starts boiling when its vapour pressure becomes equal to amospheric pressure
B.Water is known as universal solvent
C.Permanent hardness of water is due to presence of MgCl2, CaCl2, MgSO4 and CaSO4
D.Density of ice is greater than that of water
Biology
Q 101 :
Which of the following contain enzymes for cellular respiration ?
A.Dictyosomes
B.Endoplasmic reticulum
C.lysosomes
D.Mitochondria
Q 102 :
Which one among the following nutrients is a strctural
A.Cell membrane
B.Plasma membrane
C.Cell wall
D.Nucleus
Q 103 :
Which one among the following nutrients is a structural component of the cell wall of plants ?
A.Manganese
B.Potassium
C.Phosphorus
D.Calcium
Q 104 :
Which of the following groups is present in animal cells ?
For which among the following is not a true fruit ?
A.Apple
B.Date
C.Grape
D.Plum
Q 106 :
Which one of the following is not a constituent of cell membrane ?
A.Cholesterol
B.Glycoplids
C.Proline
D.Phospholipids
Q 107 :
The replication of DNA is a pre-requisite for a eukaryotic cell to undergo division. During the cell cycle, the DNA replicates in
A.S–phase
B.G1–phase
C.G2–phase
D.M-phase
Q 108 :
During which stage of mitosis does cytokinesis usually occur in animals ?
A.Phophase
B.Metaphase
C.Anaphase
D.Telophase
Q 109 :
Lysosome arises from
A.endoplasmic reticulum
B.golgi apparatus
C.nucleus
D.mitochondria
Q 110 :
The correct sequence of cell cycle is
A.S, G1, G2, M
B.S, M, G1, G2
C.G1, S, G2, M
D.M, G1, G2, S
Q 111 :
Biological membranes are composed of
A.40% proteins and 60% lipids
B.50% proteins and 50% lipids
C.70% proteins and 30% lipids
D.60% proteins and 40% lipids
Q 112 :
F1 particles / oxysome / elementary particles are present in
A.endoplasmic reticulum
B.chloroplast
C.mitochondria
D.golgi complex
Q 113 :
"Endomitosis" refers to
A.division of nucleus without chromosomal division
B.division of chromosome without nuclear division
C.division of cytoplasm
D.None of the above
Q 114 :
When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be
A.hypertonic
B.isotonic
C.hypotonic
D.None of these
Q 115 :
The function of nucleous is the synthesis of
A.DNA
B.m - RNA
C.r- RNA
D.t - RNA
Q 116 :
Mesosome in a bacterial cell is
A.plasmid
B.connection between two cells
C.plasma membrane infolded for respiration
D.None of these
Q 117 :
In living cels synthesis of ribonoucleic acid (RNA) takes place in :
A.Cytoplasm
B.Nucleus
C.Golgi body
D.Nephron
Q 118 :
The cell organelle storing substances like starch, oil and proteins is
A.Vacuole
B.Lysosome
C.Plastid
D.Golgi body
Q 119 :
Organisms lacking nuclear membrane and cell organelles is called as :
A.Prokaryotes
B.Eukaryotes
C.Protozoa
D.Virus
Q 120 :
Cell organelles that are involved in the waste disposal system of the cell are :
A.Golgi apparatus
B.Lysosomes
C.Chromosomes
D.Ribosomes
Q 121 :
Which one of the following is an organelle that is NOT found in prokaryotic cells ?
A.Cell wall
B.Mitochondria
C.Plasma membrane
D.Ribosome
Q 122 :
Which one of the following cell organelles mainly functions as storehouse of digestive enzymes ?
A.Desmosome
B.Ribosome
C.Lysosome
D.Vacuoles
Q 123 :
Cell wall of any fungus is different from plant in having
A.cellulose
B.chitin
C.cholesterol
D.glycogen
Q 124 :
In prokaryotic organisms, nuclear region is not surrounded by a membrane.This undefined nuclear region is known as
A.Nucleic acid
B.Nucleoid
C.Nucleolus
D.Nucleosome
Q 125 :
Which one of the following functions is not carried out by smooth endoplasmic reticulum ?
A.Transport of materials
B.Synthesis of lipid
C.Synthesis of protein
D.Synthesis of steroid hormone
Q 126 :
Which of the following is the cellular respiratory centre ?
A.Nucleus
B.Mitochondria
C.Ribosome
D.Golgi body
Q 127 :
Which one of the following cell organelles contains DNA ?
A.Golgi apparatus
B.Mitochondrion
C.Lysosome
D.Endoplasmic reticulum
Q 128 :
Movement of materials to different parts of cytoplasm and nucleus is generall carried out by
A.Ribosomes
B.Mitochondria
C.Lysosomes
D.Endoplasmic reticulum
Q 129 :
In mitochondria, ATP synthesizing chemical reactions take place in the
A.Outer membrane
B.Matrix
C.Inner membrane
D.DNA of mitochondria
Q 130 :
Cell wall is not present in cells of
A.Bacteria
B.Plants
C.Fungi
D.Humans
Q 131 :
Which cell organelles have their own DNA and Ribosomes ?
A.Golgi body and Endoplasmic Reticulum
B.Mitochondria and Plastids
C.Lysosome and Golgi body
D.Vacuole and Plastids
Q 132 :
Osmosis is the process of movement of water molecules from its
A.higher concentration to its lower concentration through a cell wall
B.lower concentration to its higher concentration through a fully permeable membrane
C.higher concentration to its lower concentration through a fully permeable membrane
D.higher concentration to its lower concentration through a semi - permeable membrane
Q 133 :
Cell were first discovered by
A.Robert Hooke
B.Leeuwenhoek
C.Purkinje
D.Virchow
Q 134 :
The plasma membrane is
A.permeable
B.impermeable
C.selectively permeable
D.both (a) and (b)
Q 135 :
Nuclear material without cover is found in
A.mycoplasma and green algae
B.bacteria and fungi
C.bacteria and blue green algae
D.none of the above
Q 136 :
The work 'prokaryote' means a cell
A.with many nuclei
B.with one nucleus
C.with diffused nucleus
D.without chloroplast
Q 137 :
Minute structures on bacterial cell are called
A.hair
B.cilia
C.flagella
D.pili
Q 138 :
Cell theory was proposed by
A.Schleiden and Schwann
B.Robert Brown
C.Leeuwenhoek
D.Purkinje
Q 139 :
The undefined nuclear region in a bacteria is
A.nucleoid
B.nucleus
C.chromosome
D.nucleolus
Q 140 :
Nucleus plays a crucial part in
A.metabolism
B.cellular reproduction
C.lipid synthesis
D.protein synthesis
Q 141 :
Which of the following is not present in prokaryotes ?
A.Ribosomes
B.Cell wall
C.Plasma membrane
D.Nuclear membrane
Q 142 :
Chemical nature of carrier molecules facilitating transport across plasma membrane is
A.starchy
B.sugary
C.proteinaceous
D.fatty acidic
Q 143 :
ER remains associated with
A.dictyosomes
B.mitochondria
C.karyotheca
D.chloroplast
Q 144 :
Vacuole is surrounded by
A.plasmalemma
B.cell wall
C.tonoplast
D.plasmodesmata
Q 145 :
The organisms that lack membranes are
A.Viruses
B.Bacteria
C.protozoans
D.Fungi
Q 146 :
The organelle attached to the ER is
A.ribosomes
B.lysosomes
C.golgi bodies
D.proteins
Q 147 :
Golgi bodies help in
A.excertion of steroids
B.storage and secretion
C.translation
D.trnascription
Q 148 :
According to fluid mosaic model plasma membrane is composed of
A.phospholipids, extrinsic and intrinsic proteins
B.phospholipids and oligosaccharides
C.phospholipids and hemicellulose
D.phospholipids and integral glycoproteins
Q 149 :
The presence of .............. organelle is only revealed by electron microscope .
A.chloroplast
B.mitochondria
C.Golgi bodies
D.lysosome
Q 150 :
One of these is the smallest in size
A.Ribosome
B.Lysosome
C.Mitochondria
D.Chloroplast
Q 151 :
The SER helps in building the cell membrane. This process is called
A.protein synthesis
B.membrane abiogenesis
C.membrane biogenesis
D.glycogenesis
Q 152 :
Golgi apparatus is involved in the formation of :
A.lysosome
B.vacuoles
C.plastids
D.mitochondria
Q 153 :
DNA is a component of
A.mitochondria
B.chloroplast
C.cytoplasm
D.(a) and (b) both
Q 154 :
One of these is double membrane organelle
A.lysosome
B.mitochondria
C.nucleus
D.endoplasmic reticulum
Q 155 :
The cell organelle containing the flatterned membrane bounded cisternae are located near the nucleus is
A.mitochondria
B.Golgi
C.centioles
D.nucleous
Q 156 :
The entry of mineral ions in a plant cell during absorption is
A.passive absorption
B.active absorption
C.osmosis
D.encocytosis
Q 157 :
The suicide bags of the cells are
A.mitochondria
B.plastids
C.golgi complex
D.ribosomes
Q 158 :
When gene targeting involving gene amplification is attempted in a person’s tissue to treat disease, it is known as :
A.Safety testing
B.Biopiracy
C.Gene therapy
D.Molecular diagnosis
Q 159 :
Vesicles are essential for the normal functioning of the golgi apparatus because
A.they provide energy for chemical reactions
B.they move proteins and lipids between different parts of the organelle
C.they contribute to the structural integrity of the organelle
D.they produce the sugars that are aded to proteins
Q 160 :
Amino Acid chains built by the ribosomes then move to the
A.golgie apparatus
B.lysosome
C.endoplasmic reticulum
D.mitochondria
Q 161 :
Simple tissues are
A.parenchyma, xylem and collenchyma
B.parenchyma, collenchyma and collenchyma
C.parenchyma, collecnhyma and sclerenchyma
D.parenchyma, xylem and phloem
Q 162 :
The living cells providing tensile strength are
A.parenchyma
B.collenchyma
C.sclerenchyma
D.sclerotic cells
Q 163 :
The energy currency of the cell is
A.ADP
B.ATP
C.NADP
D.FADP
Q 164 :
Consider the following statement and choose the correct code .
Assertion (A) : A true nucleus is absent in E. coli and other prokaryotes.
Reason (R) : An undifferentiated, unorganised filbrillar chromosome exists inside the prokayotic cells.
Code :
A.Both (A) and (R) are true and (R) is the correct explanation of (A)
B.Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C.(A) is true, but (R) is false
D.(A) is false, but (R) is true
Q 165 :
Match List – I with List – II and select the correct answer by using the codes given below :
List I List II
A. Ribosome 1. Suidical bag of cell
B. lysosome 2. Protein factory of cells
C. Mitochondria 3. Controller of cell
D. Nucleus 4. Power house of cell
Code :
A B C D
A.2 1 4 3
B.4 3 2 1
C.1 4 2 1
D.3 2 1 4
Q 166 :
Which of the following is the correct sequence of the different phase of cell division ?
1. Anaphase
2. Telophase
3. Prophase
4. Metaphase
Code :
A.1 2 3 4
B.1 3 2 4
C.3 1 4 2
D.3 4 1 2
Q 167 :
Match List – I with List – II and select the correct answer by using the codes given below :
List - I List - II
(physiological processes) (Cell organelles)
A. Photosynthesis 1.Plasma membrane
B. Mineral uptake 2. Chloroplast
C. Respiration 3. Mitochondria
D. Protein synthesis 4. Ribosomes
Code :
A B C D
A.1 2 3 4
B.1 2 4 3
C.2 1 3 4
D.2 1 4 3
Q 168 :
Which of the following is not a true statement about chloroplast and mitochondria ?
A.Each contains a small amount of DNA
B.Neither are componmnents of the endomembrane system
C.Both are membrane less organelles
D.Mitochondria do not synthesise all their proteins
Q 169 :
With reference to the animal cell, which of the following statement are correct ?
1. There is no cell wall in animal cell but the cell is coveredby plasma membrane.
2. Chlorophyll is not found in animal cells.
3. Lysosome occurs in plant cells.
4. Almost in all animal cells, centioles exist.
A.2 and 3 only
B.1, 2 and 3 only
C.1, 2 and 4
D.All of the above
Q 170 :
Consider the following statements rearding osmosis in animal cells :
1. If the water potential of the solution surrounding the cell is o high, the cell shrinks.
2. If the water potential of the solution surrounding the cell is too low, the cell swells and bursts.
3. It is important to maintain a constant water potential inside the animal body.
4. In animal cells, water potential far exceeds the solute potential.
Which of the statements given above is /are correct ?
A.1 and 2
B.3 only
C.4 only
D.2 and 3
Q 171 :
The living content of cell is called protoplasm It is composed of :
A.Cytoplasm only
B.Cytoplasm and meloplasm
C.Nucleoplasm only
D.Cytoplasm, mucleoplasm and other organelles
Q 172 :
Certain parts of a plant can be bent easily without breaking. This flexibility in certain parts, like leaf and stem, can be attributed to the abundance of
A.parenchyma
B.collenchyma
C.sclerenchyma
D.xylem and phloem
Q 173 :
In which one of the following antibody formations takes place ?
A.RBCs
B.Blood Platelets
C.Blood Plasma cells
D.Donnan's membrane
Q 174 :
Average life span of human R.B.C is
A.100 days
B.90 days
C.120 days
D.None of these
Q 175 :
Cells which takes part in secondary growth are named as
A.phloem
B.xylem
C.cambium
D.medullary ray
Q 176 :
Blood and lymph are types of
A.muscular tissue
B.epithelial tissue
C.connective tissue
D.permanent tissue
Q 177 :
pH of human blood is
A.7.4
B.6.2
C.9.0
D.7.5 – 8.0
Q 178 :
The camel's hump is composed of a tissue. It is a type of
A.skeletal tissue
B.areolar tissue
C.adipose tissue
D.muscular tissue
Q 179 :
A drop of blood contains .
A.about 10,000 cells
B.about 100,000 cells
C.several million cells
D.less than 25,000 cells
Q 180 :
Human blood contains ................ plasma .
A.35%
B.40%
C.50%
D.55%
Q 181 :
Assertion (A) : Red blood cells burst when placed in water.
Reason (R): Due to osmosis, water enters into red blood cells.
In the light of the above statement, choose the correct answer from the options given below :
A.Both (A) and (R) are true and (R) is the correct explanation of (A)
B.Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C.(A) is true, but (R) is false
D.(A) is false, but (R) is true
Q 182 :
The main function of the inner bark of a woody plant is to
A.transport minerals and water from the roots to the leaves
B.act as a membrane impermeable to water and gas
C.transport food from the leaves to the other part of the plant
D.protect the plant from herbivorous animals
Q 183 :
Which one of the following is modification of parenchyma ?
A.Fibres found in phloem
B.Tracheids
C.Vessel
D.Chlorenchyma
Q 184 :
Which one disease of wheat causes a restriction in the export of wheat from India ?
A.Powdery mildew
B.Karnal bunt
C.Black rust
D.Flag smut
Q 185 :
The study of bones is done under the branch of science called
A.Orology
B.Oseology
C.Sermology
D.Geology
Q 186 :
In human the thickest skin is present in
A.palm
B.sole
C.neck
D.head
Q 187 :
Which of the following is not the vestigial human organ ?
A.Tailbone
B.Eardrum muscles
C.Frontal teeth
D.Appendix
Q 188 :
The total number of bones found in newly born human body ?
A.212
B.206
C.202
D.300
Q 189 :
The bone of the which organ is the longest in the human body ?
A.Spinal cord
B.Thigh
C.Rib cage
D.Ankle - bone
Q 190 :
Contractile proteins are found in
A.bones
B.blood
C.muslces
D.cartilage
Q 191 :
Bone matrix is rich in
A.Fluoride and calcium
B.calcium and phosphorus
C.calcium and potassium
D.phosphorus and potassium
Q 192 :
Which one among the following animal tissues transport hormones and heat and maintains water balance ?
A.Connective tissue
B.Muscular tissue
C.Blood
D.Nervous tissue
Q 193 :
Our skin becomes dark in colour when exposed to excess of sunlight . It is due to the presence of :
A.Carotene
B.Melanin
C.Flavoxanthin
D.Haemotoxylene
Q 194 :
Which one of the following statements about phloem is correct ?
A.Phloem transports water and minerals
B.Phloem transports photosynthetic products
C.Phloem is a simple tissue
D.Phloem gives support to the plant
Q 195 :
Mature sclerenchyma cells have
A.cellulose wall and are living
B.lighnified wall and are living
C.suberized wall and are dead
D.lignified wall and are dead
Q 196 :
Which one of the following is used for storing biological tissues ?
A.Liquid nitrogen
B.Liquid helium
C.Liquid argon
D.Liquid bromine
Q 197 :
Squamous epithelial cells are found in the inner lining of
A.Oesophagus
B.Small intestine
C.Ducts of salivary gland
D.Kidney
Q 198 :
Transformation of meristematic cells into specific permanent tissues occurs by the process of
A.Cell differentiation
B.Cell division
C.Cell multiplication
D.Cell regeneration
Q 199 :
If human blood is placed in a 2% detergent solution, what will happen to the RBC ?
