Question1:-Find out the correct statement regarding acromegaly and the influence of high level of growh hormone (GH) in it.
A:-increased level of GH, stimulate increased production of vasopressin
from the adrenal gland
B:-increased level of GH, stimulate increased production of insulin like
growth factor one (IGF_1 ) from the liver
C:-increased level of GH stimulate increased production of vasopressin
from the liver
D:-increased levels of GH, stimulate increased production of insulin
like growth factor one (IGF_1) from
adrenal glands
Correct Answer:- Option-B
Question2:-Human digestive glands includes,
A:-liver and pancreas
B:-salivary glands and liver
C:-salivary glands and pancreas
D:-salivary gland, liver and pancreas
Correct Answer:- Option-D
Question3:-Choose the correct match
A:-Vitamin A - Thyamine
B:-Vitamin B_1 - Calciferol
C:-Vitamin D - Riboflavin
D:-Vitamin E - Tocopherol
Correct Answer:- Option-D
Question4:-Which among the following requires
cyanocobalamine in its formation?
A:-RBC
B:-WBC
C:-Lymph
D:-Platelets
Correct Answer:- Option-A
Question5:-The correct order of the three
phases of the cardiac cycle
A:-Early diastole, mid-to-late diastole ventricular systole
B:-Ventricular systole, mid-to-late diastole, early diastole
C:-mid-to-late diastole, ventricular systole, early diastole
D:-Early diastole, ventricular systole, mid-to-late diastole
Correct Answer:- Option-C
Question6:-Choose the incorrect statement
regarding enzymes
A:-as the enzyme concentration decreases, the reaction rate will
decrease
B:-Substrate binds on the allosteric site
C:-Specificity allows the enzymes to co-exist in the same cell without
any interference
D:-Lock and key model is also known as rigid template model
Correct Answer:- Option-B
Question7:-Acetyl CoA combines with which
among the following to form a 6-carbon compound in TCA cycle
A:-Oxaloacetate
B:-Glucose
C:-Pyruvate
D:-Thiamine
Correct Answer:- Option-A
Question8:-In Triacylglycerol synthesis, which
among the following pathway is not used
A:-Monoacyl glycerol pathway
B:-Glyoxylate pathway
C:-Kennedy pathway
D:-Glycerol 3-phosphate pathway
Correct Answer:- Option-B
Question9:-Name the regulatory enzyme, that
regulates the biosynthesis of cholesterol and serves as the druggable target,
for the reduction of hyper cholesterolemia
A:-HMG - CoA synthase
B:-HMG - CoA reductase
C:-Cholesterol synthase
D:-Lanosterol oxidase
Correct Answer:- Option-B
Question10:-Choose the incorrect statement
regarding oxidative phosphorylation
A:-a membrane bound ATP synthase is involved
B:-Also known as electron
transport linked phosphorylation
C:-Direct transfer of phosphate from a substrate molecule to ADP
D:-An electro chemical gradient forms across the inner mitochondrial
membrane
Correct Answer:- Option-C
Question11:-Choose the correct statement
regarding the characteristics of a gram positive bacterial cell well
A:-it consists of multiple layers of peptidoglycan
B:-it is thicker than associated with gram negative bacteria
C:-it contains teichoic acids
D:-all of the above
Correct Answer:- Option-D
Question12:-Select the incorrect statement
regarding peptidoglycan
A:-it occurs in the form of a bag shaped macromolecules surrounding the
cytoplasmic membrane
B:-it is present in prokaryotic
cell wall
C:-it is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic
acid and amino acids like alanine lysine etc
D:-none of the above
Correct Answer:- Option-D
Question13:-Differences between rhinoviruses
and enteroviruses is due to their,
A:-ability to survive acidic conditions
B:-capsid shape
C:-type of nuleic acid
D:-size
Correct Answer:- Option-A
Question14:-Match the following :
(i)
Septa (a) Loosely organized mass
(ii)
Hyphae
(b) Cross wall seperating
(iii) Mycelium (c) Thread like structures
(iv) Thallus (d) Body of fungus
A:-(i)-(a), (ii)-(d), (iii)-(b), (iv)-(c)
B:-(i)-(c), (ii)-(b), (iii)-(d), (iv)-(a)
C:-(i)-(d), (ii)-(a), (iii)-(c), (iv)-(b)
D:-(i)-(d), (ii)-(c), (iii)-(a), (iv)-(b)
Correct Answer:- Option-C
Question15:-Name the bacteria that requires
nicotinic acid as a growth factor while culturing
A:-Nitrosomonas
B:-E-coli
C:-Proteus Vulgaris
D:-Leuconostoc mesenteroids
Correct Answer:- Option-C
Question16:-Which among the following is not
related to innate immunity
A:-strong immunity
B:-pathogen
C:-previous contact
D:-antigen
Correct Answer:- Option-C
Question17:-Primary sites of cancer metastasis
A:-Tonsils
B:-Lymph nodes
C:-Thymus
D:-Adenoids
Correct Answer:- Option-B
Question18:-Identify the class of MHC, which
is recognized by 𝐶𝐷4TH Cell
A:-MHC III
B:-MHC II
C:-MHC I
D:-MHC cannot recognize T-cells
Correct Answer:- Option-B
Question19:-Types of bonds found in
antigen-antibody interaction
A:-strong covalent bond
B:-strong disulphide bond
C:-weak hydrogen bond and vanderwaals forces
D:-all of these
Correct Answer:- Option-C
Question20:-Pick out the main reason for the
autiommunity developed in our body
A:-immune system fails completely
B:-immune system produces WBC in a huge number
C:-immune system begins to attack its cells and tissues
D:-immune system starts producing cells and tissues
Correct Answer:- Option-C
Question21:-The hydrophilic region in the cell
membrane is
A:-surface of the cell membrane
B:-interior of the cell membrane
C:-nucleoside of the cell
D:-ribosomes of the cell
Correct Answer:- Option-A
Question22:-Relating to NER (Nuclear Excision
Repair) mechanism, which among the following statement is correct
A:-NER is present only in prokaryotes
B:-NER is present in both prokaryotes and Eukaroytes, but the exact
mechanism varies
C:-NER is present only in Eukaryotes
D:-NER present in both Eukaryotes and prokaryotes, is with similar
molecular mechanism in both
Correct Answer:- Option-B
Question23:-In E.Coli, which type of DNA
replication occurs
A:-conservative and unidirectional
B:-semi conservative and unidirectional
C:-conservative and bidirectional
D:-semi conservative and bidirectional
Correct Answer:- Option-D
Question24:-Find out the true statement
regarding lac operon
A:-lac operon is an inducible
system
B:-Lacoperon is repressible system
C:-Lacoperon of E-Coli contains four structural genes
D:-none of the above
Correct Answer:- Option-A
Question25:-Enhancers found in which position,
are incapable to enhance the process of transcription
A:-just upstream the promoter
B:-several kilobases downsetream promoters
C:-several kilobases upstream promoter
D:-within the promoter site
Correct Answer:- Option-D
Question26:-Find out the correct statement
regarding restriction endonucleases
A:-Type I and II requires ATP to move along DNA
B:-Type I, II and III requires ATP to move along DNA
C:-Type II requires no ATP and cleaves DNA within the recognition site
D:-Type II requires ATP and cleaves DNA, within the recognition site
Correct Answer:- Option-C
Question27:-Application of a probe in genetic
engineering occurs in which stage?
A:-Cloning
B:-Recombining DNA
C:-Cleaving DNA
D:-Screening
Correct Answer:- Option-D
Question28:-For the amplification of random
DNA fragments which techniques is widely applicable
A:-AFLP
B:-RFLP
C:-RAPD
D:-SSLP
Correct Answer:- Option-C
Question29:-Transfections of which among the
following is needed for the production of transgenic animals.
A:-eggs or embryos
B:-stem cells
C:-red blood cells
D:-all of the above
Correct Answer:- Option-A
Question30:-Maxam-Gilbert method cannot be
used to find out the sequence of which among the following?
A:-Bacteria
B:-Plants
C:-Bacteriophage 𝑇7
D:-Plasmid
Correct Answer:- Option-C
Question31:-Genetic code for Leucine
A:-UUA
B:-CCC
C:-AAA
D:-UAA
Correct Answer:- Option-A
Question32:-In Diploid organisms, crossing
over causes :
A:-Dominance of genes
B:-segregation of alleles
C:-recombination of linked genes
D:-linkage between genes
Correct Answer:- Option-C
Question33:-Name the chemical mutagen, which
is mutagenic only for replicating DNA.
A:-Acridine dye
B:-Alkylating agent
C:-Deaminating agent
D:-Base analog
Correct Answer:- Option-D
Question 34:-Point out a non characteristic
feature of Down's syndrome
A:-small round head
B:-tallness
C:-furrowed tongue
D:-partially deep mouth
Correct Answer:- Option-B
Question 35:-During protein synthesis, which
type of RNA function as an adaptor molecule?
A:-rRNA
B:-mRNA
C:-tRNA
D:-hnRNA
Correct Answer:- Option-C
Question 36:-In order to penetrate the egg
mambrane, sperms secretes which among the following enzymes?
A:-Exopeptidase
B:-succinic dehydrogenase
C:-hyaluronidase
D:-carbonic anhydrase
Correct Answer:- Option-C
Question 37:-Choose the correct statement
about cells, regarding clevage
A:-size does not increase
B:-the division is like meiosis
C:-there is less oxygen consumption
D:-nuleocytoplasmic ratio remains unchanged
Correct Answer:- Option-A
Question 38:-Pick out a hormone, which is not
produced by placenta
A:-Estrogen
B:-Progesterone
C:-hPL
D:-Relaxin
Correct Answer:- Option-D
Question 39:-In which stage of embryogenesis,
formation of primitive streak occurs
A:-morula
B:-blastula
C:-neurula
D:-gastrula
Correct Answer:- Option-B
Question 40:-High concentration of which
hormone causes ovulation?
A:-Progesterone
B:-HCG
C:-FSH
D:-Estrogen
Correct Answer:- Option-D
Question41:-A biological classification
approach in which organisms are categorized in groups based on shared traits
A:-Cladistics
B:-Numerical Taxonomy
C:-Cytotaxonomy
D:-Chemotaxomony
Correct Answer:- Option-A
Question42:-Which among the following is the
hierarchical system used in classifying an organism?
A:-Domain→Kingdom→Phylum →Subphylum →Order→ Class →Family →Genus
→Species
B:-Kingdom→Domain→Phylum →Subphylum →Order→ Class →Family →Genus
→Species
C:-Domain→Kingdom→Phylum →Subphylum →Class→ Order→Family →Genus →Species
D:-Kingdom→Domain→Phylum →Subphylum →Class→ Order →Family →Genus
→Species
Correct Answer:- Option-C
Question43:-The International Commission of
Zoological Nomenclature (ICZN) was founded in the year
A:-1885
B:-1895
C:-1897
D:-1891
Correct Answer:- Option-B
Question44:-A derived character shared by
clade members of a clade
A:-Plesiomorphy
B:-Apomorphy
C:-Synapomorphy
D:-None of the above
Correct Answer:- Option-C
Question45:-Which among the following is not
among the basic rules of species names?
A:-A species name must be spelled in Latin letters
B:-A species name begins with a lowercase letter
C:-A species name can contain no diacritical marks
D:-None of the above
Correct Answer:- Option-D
Question46:-Which among the following is
Lamarck's evolutionary framework?
A:-More individuals are produced each generation than can survive
B:-Phenotypic variation exists among individuals and the variation is
heritable
C:-The development of the organs, and their ability, are constantly a
result of the use of those organs
D:-When reproductive isolation occurs new species will form
Correct Answer:- Option-C
Question47:-The theory that proposes once a
species appears in the fossil record, the population will become stable,
showing little evolutionary change for most of its geological history
A:-Quantum evolution
B:-Punctuated equilibrium
C:-Speciation
D:-Convergent evolution
Correct Answer:- Option-B
Question48:-The development of resistance by
insects to pesticides is an example for
A:-Speciation
B:-Macroevolution
C:-Microevolution
D:-None of the above
Correct Answer:- Option-C
Question 49:-Which of the following is NOT an
example of coevolution?
A:-Acacia ants and lodgepole pines
B:-Humming birds and bird-pollinated flowers
C:-Fig wasps and fig tree
D:-Australian rabbit and myxoma virus
Correct Answer:- Option-A
Question 50:-The modern synthetic theory of
evolution was proposed by
A:-Alfred Russel Wallace
B:-Carl Linnaeus
C:-Georges Cuvier
D:-Theodosius Dobzhansky
Correct Answer:- Option-D
Question 51:-An urn-shaped age structure
represents
A:-Expanding population
B:-Diminishing population
C:-Stable population
D:-None of the above
Correct Answer:- Option-B
Question52:-In ecological succession, the
pioneer species is characterized by
A:-Higher rates of resource uptake
B:-Larger and longer-lived
C:-Lower rate of dispersal
D:-Slower per capita growth rates
Correct Answer:- Option-A
Question 53:-The type of learning in which
there is no association between stimuli and response
A:-Classical Conditioning
B:-Operant conditioning
C:-Habituation
D:-All of the above
Correct Answer:- Option-C
Question54:-Who unravel the details of dance
language of honey bees?
A:-Ivan Pavlov
B:-Karl von Frisch
C:-Adrian Wenner
D:-Niko Tinbergen
Correct Answer:- Option-B
Question 55:-In which district, Karimpuzha
Wildlife Sanctuary is situated
A:-Kasargod
B:-Malappuram
C:-Kannur
D:-Wayanad
Correct Answer:- Option-B
Question 56:-The part of India that falls in
the Sundaland hotspot
A:-Eastern Himalayas
B:-Eastern Ghats
C:-The Andaman Islands
D:-The Nicobar Islands
Correct Answer:- Option-D
Question 57:-Among all the measures of
dispersion, standard deviation is best. Why?
A:-It gives more weightage to extreme values
B:-Its calculation is not easy
C:-It is least affected by fluctuations of sampling
D:-It is based on all the observations
Correct Answer:- Option-C
Question58:-Calculate the arithmetic mean of
the marks obtained by 12 students of a class for an exam. The marks obtained
are :
40, 35, 42, 50, 48, 30, 31, 37, 45, 28, 20, 25
A:-35.7
B:-35.9
C:-35.8
D:-35.6
Correct Answer:- Option-B
Question59:-The voltage range at which the
Standard Transmission Electron Microscopes (TEMs) operate
A:-100-1,000 V
B:-1,000-10,000 V
C:-10,000-1,00,000 V
D:-1,00,000 V - 10,00,000 V
Correct Answer:- Option-C
Question60:-Which among the following is not
an example for secondary data?
A:-Data obtained from Meteorological Department
B:-Data prepared from the analysis of blood samples
C:-Data collected by National Sample Survey
D:-All of the above
Correct Answer:- Option-B
Question61:-Misfolding of proteins can cause a
number of diseases. Which among the following misfolded protein in neurons is
responsible for Parkinson's disease?
A:-Crystallins
B:-Ataxins
C:-Alpha-synuclein
D:-Amyloid-beta
Correct Answer:- Option-C
Question 62:-Which among the following is the
'Carrion bee'?
A:-Apis mellifera
B:-Apisflorea
C:-Trigona crassipes
D:-None of the above
Correct Answer:- Option-C
Question 63:-Which gene has been found to be
responsible to detect signatures of evolution in severe mental illness?
A:-Australopithecus genes
B:-Neanderthal genes
C:-Erectus genes
D:-None of the above
Correct Answer:- Option-B
Question64:-Which among the following microbes
cannot produce oxygen?
A:-Ammonia oxidizing Archaea bacteria
B:-Nitrogen fixing bacteria
C:-Cyanobacteria
D:-All of the above
Correct Answer:- Option-B
Question65:-Pigs have been preferred as ideal
candidates for xenotransplantation in humans. What vital genetic modifications
made the pig heart xenotransplantation possible?
A:-Four genes were inactivated
B:-Six humans genes were inserted into the pig genome
C:-Retroviruses were removed
D:-All of the above
Correct Answer:- Option-D
Question66:-Pigs exposed to the coronavirus
don't show clinical signs of disease nor do they transmit the virus to other
animals. Find the reason
A:-The infected pig cells underwent necrosis
B:-The infected pig cells underwent apoptosis
C:-The uninfected pig cells underwent necrosis
D:-None of the above
Correct Answer:- Option-B
Question67:-Air pollution significantly
reduces pollination. Why?
A:-Pollutants react with and change the floral odours making the insects
confused
B:-Disorientation of insects due to pollutant fumes
C:-Pollutants like diesel fumes alter the genetic composition of insects
D:-Pollutants altered the floral morphology
Correct Answer:- Option-A
Question68:-Antibiotic-Resistant Bacteria were
in Hedgehogs a century before we used antibiotics. Which among the following
strain was identified in hedgehogs?
A:-Vancomycin-resistant Enterococcus (VRE)
B:-Methicillin-resistant Staphylococcus aureus (MRSA)
C:-Multi-drug-resistant Mycobacterium tuberculosis (MDR-TB)
D:-Carbapenem-resistent Enterobacteriaceae (CRE)
Correct Answer:- Option-B
Question69:-The toxic cardiac glycosides
produced by Milkweed is potent to kill mammals including humans. Which part of
the animal cells are targeted by these toxins?
A:-𝐶𝑎2+pump
B:-𝐻+pump
C:-𝑁𝑎+,𝐾+
pump
D:-All of the above
Correct Answer:- Option-C
Question70:-Among the new species described in
2021, which among the following snake species was identified from India
A:-Oligodon churahensis
B:-Gloydius lipipengi
C:-Stegonotus aplini
D:-Brookesia nana
Correct Answer:- Option-A
Question71:-Which of the following is the
correct sequence of taxonomic levels of affective domain?
A:-Receiving, responding, valuing, characterisation, organisation
B:-Receiving, responding, characterisation, valuing, organisation
C:-Receiving, valuing, organisation, responding, characterisation
D:-Receiving, responding, valuing, organisation, characterisation
Correct Answer:- Option-D