MP State Eligibility Test 2017 Papers - Life science

(Life Science) CTET = MP State Eligibility Test - 2017 - Final Model Answer Key

Q.No: 1 The magnitude of ionization potential depends upon:

A Radius of the atom
B Magnitude of positive charge on the nucleus
C Number of electron orbits
D All are correct

Q.No: 2 The mechanism of fatty acid oxidation according to Knoop’s hypothesis is:

A The oxidation takes place at -carbon -
B Fatty acids are degraded into two-carbon units, as acetic acid
C Both The oxidation takes place at - carbon and Fatty acids are degraded into two-carbon units, as acetic acid
D None of these are correct

Q.No: 3 In urea cycle abnormality, the term Hyperammonemia refers to:

A Elevated levels of NH4+in the blood
B Elevated levels of iron in the blood
C Biological nitrogen fixation in root nodules
D All are correct

Q.No: 4 Enzyme Succinic acid dehydrogenase catalyzing the conversion of succinic acid to fumaric acid, is an example of:

A Competitive inhibition
B Non-competitive inhibition
C Feedback inhibition
D All are correct

Q.No: 5 Which one is the largest gland of the body -

A Salivary gland
B Thyroid gland
C Liver
D Stomach

Q.No: 6 Secondary cell wall differs from primary cell wall

A Secondary cell wall has comparatively high amount of cellulose and pectin
B Secondary cell wall has comparatively less amount of cellulose and pectin
C Secondary cell wall has comparatively high amount of lignin and no pectin
D Secondary cell wall has comparatively less amount of cellulose and high amount of pectin

Q.No: 7 The nucleosome which is the basic structural unit of chromatin was first described by:

A Roger Kornberg
B Philip Sharp
C Richard Roberts
D Craig Venter

Q.No: 8 In bacteria as well as in eukaryotes, spontaneous mutations most frequently are caused by _______, which segments of DNA have a tendency to jump around in the genome.

A Deletions
B Additions
C Insertions
D Transposons

Q.No: 9 The Lac Operon is induced 1000-fold by:

A Amylose
B Galactose
C Glucose
D Lactose

Q.No: 10 In protein synthesis, the attachment of several ribosomes to m-RNA molecules forms:

C Cellular RNA Cellular RNA
D Polysome Polysome

Q.No: 11 The most abundant RNA in a typical cell is:  RNA


Q.No: 12 The hormone receptors are:

A Translation factors
B Transcription factors
C Transduction factors
D All are correct

Q.No: 13 Ribosomes are made up of :

A DNA and Protein
B Protein Only
C RNA and protein
D DNA, RNA and protein

Q.No: 14 Mango anthracnose disease is not caused by:

A Colletotrichum gloeosporioides
B Colletotrichum gloeosporioides var. minor
C Colletotrichum caudatum
D Colletotrichum falcatum

Q.No: 15 I g E is well known for its participation in the

A Phagocytosis reactions
B Passive immunity reaction
C Allergic reaction
D Reticuloendothelial reaction

Q.No: 16 Axial filament of spermatozoon is formed from

A Nucleus
B Mitochondria
C Distal centriole
D Proximal centriole

Q.No: 17 The plane of second cleavage division with respect to animal-vegetal axis is always

A Vertical and at right angle to first cleavage
B Horizontal and right angle to first cleavage
C Vertical and parallel to first cleavage
D All are correct

Q.No: 18 The hormone responsible for metamorphosis in amphibian is

A Prolactin
B Thyroid hormone
C Estrogen
D All are correct

Q.No: 19 The initial cell division during the development is -

A Anticlinal
B Periclinal
C Random
D Oblique

Q.No: 20 Solarization is a phenomenon of:

A Absorption of light by etiolated leaves
B Absorption of light by green leaves
C Oxidation of reaction centre of PS II by high intensity of light
D Oxidation of antenna molecules of PS II by high intensity of light

Q.No: 21 Substrate level phosphorylation takes place in Krebs' cycle in between:

A Succinyl CoA and succinic acid
B Succinic acid and fumaric acid
C Fumaric acid and malic acid
D Malic acid and oxaloacetic acid

Q.No: 22 The spray of ___________ on stem apices favour the dwarf shoot development in apple and pear to give more dwarf shoots, more fruits, thereby, more yield.

A Zeatin Zeatin
B GA3, GA5 and GA7 mixture GA3, GA5 and GA7 mixture
D Ethylene Ethylene

Q.No: 23 The substrate for biosynthesis of phenolic compounds is:

A Chorismic acid
B Phenylalanine
C Cinnamic acid
D Acetyl CoA

Q.No: 24 Ammonia poisoning occurs in temperature sensitive plants at:

A Low temperature
B High temperature
C Moderate temperature
D Low light intensity

Q.No: 25 Agranulocytes are

A Acidophils
B Neutrophils
C Monocytes
D None of these are correct

Q.No: 26 Which one are granulocytes:

A Neutrophils, Basophils, Lymphocytes
B Eosinophils, Basophils, Monocytes
C Basophils, Monocytes, Lymphocytes
D Neutrophils, Eosinophils, Basophils

Q.No: 27 In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of individual will be:


Q.No: 28 The functional and structural unit of the kidney is the:

A Nephron
B Loop of Henle
C Glomerular capsule
D Basement membrane of capillaries

Q.No: 29 Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid?

A Sodium ions
B Chloride ions
C Calcium ions
D Potassium ions

Q.No: 30 The Mendelian character for stem length is found to be controlled by an enzyme ____________.

A 3 -hydroxylase
B Starch branching enzyme
C Galactosidase
D Transacetylase

Q.No: 31 A F2 modified Mendelian ratio of 9:7 is obtained in ____________________.

A Complimentary genes
B Supplementary genes
C Epistasis
D Duplicate genes

Q.No: 32 Self sterility in plants is determined by _______________.

A Pleitropic genes
B Lethal genes
C Multiple alleles
D Polygenic inheritance

Q.No: 33 If the leaf of the male plant is green and the leaf of the female plant is variegated , what will be the phenotype of the progeny?

A Green
B Variegated
C Green and variegated
D Intermediate

Q.No: 34 Concept of Numerical Taxonomy was originally given by

A Lamarck
B John Ray
C Michel Adanson
D John Adanson

Q.No: 35 Yellow fever is transmitted by -

A Aedes
B Anopheles
C Culex
D Housefly

Q.No: 36 Scientific name of Diamond -black moth is -

A Plutella xygostella
B Pieris brassicae
C Sodoptera litura
D Hellua undalis

Q.No: 37 The system of classification of plants proposed by Engler and Prantl is ____________.

A Artificial system
B Sexual system
C Natural system
D Phylogenetic system

Q.No: 38 Phytosociological approach to the study of plant communities was applied for the first time in India by:

A Dudgeon
B Misra , R.
C Agharkar
D Bharucha

Q.No: 39 The slow rate of development, low reproductive rate and strong competitive ability are characteristics of _____________.

A r–selection
B K-selection
C S-selection
D B-selection

Q.No: 40 The rate of storage of organic matter in plant tissues in excess of the respiratory utilization is known as

A Secondary productivity
B Gross primary productivity
C Net primary productivity
D Net productivity

Q.No: 41 The importance value for each species in descriptive studies of vegetation does not include:

A Density
B Dominance
C Frequency
D Niche

Q.No: 42 Anthropods having two premolars in each jaw are called __________ monkeys.

A New world
B Old world
C Mixed world
D Primitive world

Q.No: 43 Approximate range of cranial capacity in Homo erectus in Cubic cm is:  Cubic cm -

A 435-815
B 755-1225
C 1025-2085
D 1315-1830

Q.No: 44 The first person who synthesized amino acids from a mixture of methane, ammonia, water and hydrogen was:

A R.S. Miller
B Stanley Miller
C A.I. Oparin . .
D W.M. Stanley

Q.No: 45 Some blue green algae are used as biofertilizers beacuse:

A They can do Photosynthesis
B They are surrounded by Mucilage
C They can grow everywhere
D They are capable of N2 fixation

Q.No: 46 Which of the following product is produced by Aspergillus terreus?

A Curdlan
B Ethanol
C Statin
D Pullulan

Q.No: 47 _____________ species of plants are either cultivated or collected by humans for food, ------ feed or other agricultural uses at one time or other.

A 7000
B 14000
C 21000
D 28000

Q.No: 48 Is the excitation spectrum of a fluorescent always the same as the absorption spectrum?

A Always equal
C Equal and above the absorption spectra
D Always more than absorption spectra

Q.No: 49 Chi- square test is the test of significance or goodness of fit. This was given by which one of the following statistician for the first time

A Karl Pearson
B Fisher
C Guilford
D Elhans

Q.No: 50 The sedimentation coefficient is the result of molecules moving along the centrifugal axis gives information about:

A Ionic charge of the molecules
B Molecular weight and shape of particle
C Partition coefficient of particle
D All are correct


Q.No: 1 Chitin, is a linear polymer with:

A - D-galactouronic units with (1 4) linkage
B N - acetyl-D-glucosamine units with (14) linkage
C 4-O-methylglucoronic acid with (1 4) linkage
D -D-glucose units with (1 4) linkage

Q.No: 2 -Pleated sheets in a polypeptide chain differs from rod like -helix in having:

A -sheets has tightly coiled conformation rather being fully extended in the - helix
B The axial distance between adjacent amino acids in -pleated sheets is 1.5Ao in contrast to 3.5Ao in -heli
C -pleated sheets have hydrogen bonds between NH and CO groups in different polypeptide strands in contrast to - helix in the same strand
D All are correct

Q.No: 3 Purine derivatives are derived from:

A Six membered pyrimidine ring
B Fused five membered imidazole ring
C Related to uric acid
D All are correct

Q.No: 4 A remarkable feature for the activity of nearly all enzymes involved in glycolysis is requirement of :

A Mn+2
B Fe+2
C Ca+2
D Mg+2

Q.No: 5 Electrons are transferred from substrates to oxygen through electron carriers such as:

A Flavins
B Iron-sulfur complexes
C Quinones and hemes
D All are correct

Q.No: 6 The term, Palindromic DNA is applied to regions of DNA in which there are:

A Usual structure of DNA
B Some sequences causing bends in Betahelix
C Inverted repetitions of base sequence
D All are correct

Q.No: 7 The gases oxygen and carbon dioxide move across the plasma membrane by the process of:

A Facilitated Diffusion
B Passive Diffusion
C Active Transport
D None of these are correct

Q.No: 8 The disease called cystic fibrosis is characterized by defective transport of:

A Clion
B K+ion
C Mg++ion
D Ca++ion

Q.No: 9 "Ran" a protein which regulates the movements of macromolecules through the nuclear pore is a:

A ATP-binding protein
B GTP-binding protein
C GMP-binding protein
D AMP-binding protein

Q.No: 10 SINE (short interspersed elements) and LINE (long interspersed elements) are examples

A Non-repetitive DNA
B Repetitive DNA
D Recombinant DNA

Q.No: 11 The major cell cycle regulatory point in most animal cells which is called restriction point, controls the progression of cell cycle from

A M phase to G1
B G1 to S phase
C S phase to G2
D G2 to M phase

Q.No: 12 During Meiosis the recombination between homologous chromosomes is completed by :

A The end of Pachytene
B The beginning of Diplotene
C The beginning of Pachytene
D The end of Diplotene

Q.No: 13 The start signals on DNA are called ____________ that represent the initial binding site for the RNA polymerase.

A Core polymerase
B Holoenzyme
C Repressor
D Promoters

Q.No: 14 _____________ nucleotides code for one amino acid.

A Two
B Three
C Four
D Five

Q.No: 15 Lampbrush chromosomes are found in the oocytes at ____________ stage of the meiosis.

A Diakinesis
B Diplotene
C Pachytene
D Zygotene

Q.No: 16 In protein synthesis, the chain elongation requires ________ and chain termination requires ___________.

A Releasing factors and soluble factors
B Soluble factors and releasing factors
C Specific initiators and protein factors
D Protein factors and specific initiators

Q.No: 17 Hydrolytic enzymes occur in: ?

A Lysosomes
B Golgi apparatus
C Mitochondria
D Chloroplast

Q.No: 18 The colloidal theory of protoplasm was given by:

A W.Flemming
B Fischer
C C.Purkinje .
D Butschli

Q.No: 19 During intracellular transduction the 2 nd messenger CAMP binds to _______subunits of protein kinase

A One regulatory and one catalytic
B Two regulatory and two catalytic
C Two regulatory
D Two catalytic

Q.No: 20 Neural cell adhesion molecules expressed on nerve cells to form association between nerve cells during development are examples of:

A Selectins
B Integrins
C Ig like superfamily
D Cadherins

Q.No: 21 Epstein-Barr virus causing cancer in humans is an example of:

A Retrovirus
B Herpesvirus
C Adenovirus
D Papillomavirus

Q.No: 22 The cell surface receptors in plants mostly consists of a great diversity of:

A Histidine/Serine kinase
B Histidine/Threonine kinase
C Serine/Threonine kinase
D G-protein

Q.No: 23 Which of the following biomolecule/s of plant cell wall is/are not involved in host-pathogen recognition reactions?

A Fatty acids
B Galactouronic acid
C Phenols
D Alkaloids

Q.No: 24 All the following are true of lysozyme except

A It is found in the tears and saliva
B It is an enzyme
C It is a type of antibody
D It destroys the cell walls of Grampositive bacteria

Q.No: 25 The rate of cleavage is

A Inversely proportional to the amount of yolk
B Directly proportional to the amount of yolk
C No effect
D All are correct

Q.No: 26 Capacitation of mammalian sperm takes place in

A Epididymus
B Female reproductive tract
C Seminiferous tubule
D All are correct

Q.No: 27 During the development of Triturus the presence of grey crescent in egg causes

A Formation of "belly"
B Normal development of embryo
C Abnormal development of embryo
D All are correct

Q.No: 28 In the development of limbs in amphibians which skeletal part is formed first

A Autopodium
B Zeugopodium
C Stylopodium
D All are correct

Q.No: 29 In mammals the power of regeneration is greatest in organ

A Lung
B Liver
C Heart
D Pancreas

Q.No: 30 In shoot apex of plants, which layer is predominantly maintained by anticlinal divisions?

A Tunica
B Corpus
C Rib meristem
D Pith

Q.No: 31 The most abundant electron transport pigment is:

A Plastoquinone
B Cytochrome
C Ferredoxin
D Ferredoxin reducing substances

Q.No: 32 Non-cyclic photophosphorylation in photosynthetic bacteria comprises of:

A Pigment system I(P700) and pigment system II(P680)
B Pigment system I(P890)
C Pigment system I(P890) and pigment system II(P680)
D Pigment system I(P700) and I(P890) भ I(P700)

Q.No: 33 Putrefaction yields unpleasant odor due to formation of:

A CO2 gas CO2 gas
B NH3 gas NH3 gas
C Both CO2 and NH3 Both CO2 and NH3
D H2S gas H2S gas

Q.No: 34 The assimilation of NH3 into amino acids and amides by reacting with organic acids andorganic molecules respectively takes place in the presence of enzyme:

A Hydrogeanse
B Nitrogenase
C Glutamine synthetase
D Glutamate dehydrogenase

Q.No: 35 Which of the following statement is true in case of phloem loading?

A Transfer of carbohydrates from mesophyll cells to phloem cells
B Transfer occurring against concentration gradient
C Phloem loading is an active process
D All are correct

Q.No: 36 Darkening of pear leaves in autumn is due to:

A Oxidation of hydroquinone into quinine
B -oxidation of caffeic acid
C Lactonization of O-coumarinic acid into coumarin -
D All are correct

Q.No: 37 QRST waves in ECG represents: ECG QRST

A Auricular systole
B Ventricular complex
C Auricular diastole
D None of these are correct

Q.No: 38 A person having both antigen A and antigen B on the surface of RBCs:

A That person do not possess antigen in serum
B He can donate the blood to only having AB blood group
C He is universal recipient
D All are correct

Q.No: 39 Wave 'T' is representing in ECG as: ECG 'T'

A Diastole of both atria and ventricles
B Systole of right atria and left ventricle
C Systole of left atria and right ventricle
D Cystole of both atria and ventricles

Q.No: 40 Where granular WBCs are produced?

A Kidney
B Liver
C Small intestine
D Bone marrow

Q.No: 41 Actual gaseous exchange takes place in the:

A Trachea
B Diaphragm
C Bronchi
D Alveoli

Q.No: 42 Genetic disorder in which the lungs are filled with thick mucus:
A Anoxia
B Cystic fibrosis
C Pulmonary fibrosis
D Silicosis

Q.No: 43 The central nervous system includes :

A Autonomic and peripheral nervous  system
B Brain, spinal cord and cranial nerves
C Brain and cranial nerves
D Brain and spinal cord

Q.No: 44 Which of the following law is also known as the 'Law of purity of gametes'?

A Law of dominance
B Law of independent assortment
C Law of segregation
D Law of co-dominance -

Q.No: 45 If you find F2 modified Mendelian ratio of 15:1 in your experiments, what kind of gene interaction may be involved?

A Complimentary genes
B Duplicate genes
C Supplementary genes
D Epistasis

Q.No: 46 _____________ is the degree or extent to which a given genotype is expressed phenotypically in a particular individual.

A Expressivity
B Lethality
C Pleiotropy
D Penetrance

Q.No: 47 The mechanism of sex determination in नय न  Coccinia indica is through __________.

A XY machanism
B Pheromonal cross talk
C Hormonal regulation
D XO system

Q.No: 48 Synaptonemal complex, a highly organized structure of filaments between the paired chromosomes, was observed for the first time by ___________.

A Robert King
B C.D. Darlington . .
C Curt Stern
D Montrose J. Mosses

Q.No: 49 The non-gel based molecular markers of choice at present is __________.


Q.No: 50 The common cultivated wheat is an example of _______________.

A Tetrasomy
B Autopolyploidy
C Allopolyploidy
D Nullisomy

Q.No: 51 Holotype is a - -

A Type specimen on which the original description of species is based
B Individual of identical genotype
C An original specimen is destroyed and prepare new one
D An individual opposite in sex to the original specimen

Q.No: 52 Taxonomic category, Family was introduced by (family)

A Haeckel, 1890
B Pierre Magnol , 1689
C Blackwelder,1907
D H. Ross 1890

Q.No: 53 Dengue fever is caused by

A Virus
B Bacteria
C Protozoa
D Helminth worm

Q.No: 54 A scientist awarded Nobel Prize for studying the language of honey bees was

A Langstroch
B Southwick
C Rackel Carson
D Car Von Frisch

Q.No: 55 The cell wall of blue green algae is made up of ____________.

A Cellulose
B Chitin
C Peptidoglycan
D Hemicellulose

Q.No: 56 The taxonomic hierarchy is concerned with _____________.

A Arrangement of taxa in a fixed sequence
B Classification of organisms
C Naming of taxa
D Evolution of taxonomy

Q.No: 57 Which of the followings is not indirect climatic factor of the environment?

A Soil
B Organisms
C Slope
D Light

Q.No: 58 The sequence of steps in primary autotrophic succession are

A Invasion → Nudation → Stabilization → Competition & Coaction → Reaction
B Nudation → Invasion → Reaction → Competition & Coactions → Stabilization
C Reaction → Invasion → Nudation → Competition & Coactions → Stabilization
D Nudation → Invasion → Competition & Coaction → Reaction → Stabilization

Q.No: 59 Coprophagy, a characteristics of detrivores, is a much less elaborate but a more widespread case of ______________.

A Ammensalism
B Commensalism
C Mutualism
D Protocooperation

Q.No: 60 The most common producers in Indian grassland ecosystem are

A Butea, Shorea, Tectona, Lagerstroemia
B Quercus, Acer, Betula, Picea
C Dicanthium, Desmodium, Setaria, Cynodon
D Cupressus, Juniperus, Gnetum, Ginkgo

Q.No: 61 The nature and type of soil forming at a particular place is largely governed by many soil forming factors. According to Joffe (1936), which of the following is not a passive factor?

A Climactic factors
B Parent material
C Topography
D Time

Q.No: 62 _________ are the subpopulations occupying the discrete patches of suitable habitats separated by unsuitable habitats but connected by dispersal corridors.

A Isolated population
B Metapopulation
C Subspecies
D Ecospecies

Q.No: 63 The Pleistocene or the great ice age was the age of

A Corythosaurus
B Mammoths
C Triceratops
D Stegosaurus

Q.No: 64 Charles Darwin performed his famous voyage around the world on:

A HWS Beagle
B FMA Beagle
C HGS Beagle
D HMS Beagle

Q.No: 65 Which microbe is responsibke for converting milk into curd ?

A Lactobacillus
B Yest
C Mycobacterium
D None of these are correct

Q.No: 66 The fossil of human ancestor discovered in India is:

A Australopithecus
B Ramapithecus
C Pithecanthropus
D Syanthropus

Q.No: 67 Replica plating experiment of mutation and adaptation was conducted by:

A A.R. Wallace
B Beadle and Tatum
C Lederberg and Lederberg
D T.R. Malthus .

Q.No: 68 Lichen is the bioindicator of which of the following pollutants ?

A So2
B No2
C Co2
D H2s

Q.No: 69 Which of the following is an 'in situ' method of pollutant management?

A Activated sludge treatment
B Trickling filter
C Rotating biological contactor
D Biostimulation

Q.No: 70 Which of the following vaccines contains toxoids?

C Polio Vaccaine
D Hepatitis Vaccaine

Q.No: 71 Degradation of pollutants yields a/an ___________ of plant biodiversity.

A Direct use value
B Indirect use value
C Non-use value
D Consumptive use value

Q.No: 72 For every ampholyte, there exists a pH at which it is unchanged and this is called ,

A Isoelectric point
B Amplified point
C Aliphatic point
D Electrophoretic point

Q.No: 74 Two women gave birth to two children. find out the probability of female child to both is

A 1/2
B 1/3
C 1/4
D 1/5

Q.No: 75 Gel chromatography is a special type of partition chromatography in which separation is based upon:

A Ionic charge
B Molecular size
C Polarity of solution
D All are correct

Click Here to Download FULL PAPER (PDF)