A tiny part of DNA controlling a sprcific character is called
1.base pair
2.allele
3.gene
4.nucleotide
Posted Date:-2021-08-05 05:11:08
All are diseases related to nutrition but which one is neurotic disorder also
1.dyspepsia
2.obesity
3.piles
4.bulimia nervosa
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All are example of fish except
1.silver fish
2.whale
3.shark
4.trout
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All are hyphal fungi except
1.mushrooms
2.morels
3.puff balls
4.yeast
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All diseases are caused by nutrition deficiencies except
1.scurvy
2.beri beri
3.anemia
4.haemophilia
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All hormones are amino acids or their derivatives except
1.oxytocin
2.thyroxin
3.epinephrine
4.nor-epinephrine
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Canines are missing in all except
1.deer
2.sheep
3.goat
4.dog
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Deserts occur in the region where annual rainfall is
1.less than 250 mmm
2.250-650mm
3.250-750mm
4.none of these
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Each mesophyll cell have about chloroplast
1.20-100
2.40-100
3.10-100
4.50-100
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Equisetum is example of
1.lycopsida
2.bryopsida
3.sphenopsida
4.pteropsida
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Fungi store surplus food in form of droplets of
1.protein
2.glycogen
3.lipid
4.both b and c
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Fungi which is used to produce soya sauce or soya paste from soya bean is
1.penicillin
2.aspergillus
3.yeast
4.all of these
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Human genome consists of base pairs
1.3 billion
2.3 million
3.3 lac
4.3 thousand
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Hypothalamus is a part of
1.mid brain
2.hind brain
3.fore brain
4.medulla
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In acrocentric chromosome the centromere is located at the
1.tip
2.near tip
3.in middle
4.near middle
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In grasshopper the male has chromosome
1.XX
2.XO
3.XXO
4.XY
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In the structure of DNA the no. of base pairs in each turn is
1.10
2.20
3.34
4.0.34
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Mesosomes are internal extensions of
1.cell membrane
2.cell wall
3.nucleus
4.vacuole
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ome plants deposit strange chemicals in their branches and trunks especially in old xylem as in
1.conifers
2.eucalyptus
3.cactus
4.ebony
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Panting the evaporative mechanism is most prominent in
1.elephant
2.bat
3.dog
4.fish
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Parasexuality phenomena is observed in
1.ascomycota
2.basidiomycota
3.zygomycota
4.deuteromycota
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Plants growth is least at
1.35 centigrade
2.25-30 centigrade
3.5-10 centigrade
4.35-40 centigrade
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Principal decomposers of cellulose and lignin are
1.bacteria
2.fungi
3.algae
4.both a and b
Posted Date:-2021-08-05 05:11:08
Rate of reaction double after each rise of temperature of
1.10 centigrade
2.20 centigrade
3.10 kelvin
4.1 kelvin
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Reptiles flourished throughout
1.mesozoic era
2.cenozoic era
3.devonian era
4.jurassic era
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Simplest of all bryophytes is
1.liverworts
2.bryopsida
3.anthoceropsida
4.both a and b
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Skeletal muscles are joined to bones with the help of
1.tendon
2.ligament
3.connective tissue
4.both a and b
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Tests of foraminifera are made of
1.silica
2.carbon
3.calcium
4.all of these
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The base pairs in DNA structure are far apart at a distance of
1.2nm
2.0.34nm
3.3.4mm
4.both c and d
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The cause of sleeping sickness is
1.plasmodium
2.tse-tse fly
3.trypanosoma
4.virus
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The chemical link between catabolism and anabolism is
1.ATP
2.oxygen
3.nitrogen
4.all of these
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The deficiency of thyroid secretions in adults produces
1.goiter
2.myxoedema
3.cretinism
4.graves disease
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The detachable co-factor is known as
1.prosthetic group
2.activator
3.co-enzyme
4.holoenzyme
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The example of ectoparasites except
1.lice
2.fungi
3.tape worm
4.ticks
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The major producers in aquatic ecosystem are
1.dinoflagellates
2.euglenoids
3.brown algae
4.diatoms
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The no. of spiracles in cockroach thorax is
1.2
2.4
3.8
4.10
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The retroviruses are
1.single stranded DNA
2.single stranded RNA
3.double stranded RNA
4.double stranded DNA
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The small size and localized tumors are called
1.malignant
2.benign
3.both a and b
4.none of these
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The specialized structure including aster and spindle is called
1.centriole
2.astral microtubules
3.mitotic apparatus
4.all of these
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The total gestation period is of
1.265 days
2.275 days
3.280 days
4.285 days
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To excrete 1 g of urea nitrogen water require is
1.500ml
2.5000ml
3.50 cubic centimetre
4.5000 cubic centimetre
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Uterus opens into vagina through
1.cervix
2.urethra
3.clitoris
4.none of these
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Vestigial organs are example of
1.comparative anatomy
2.homology
3.analogy
4.all of these
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Which cell is a anucleated cell
1.muscle cell
2.white blood cell
3.red blood cell
4.brain cell
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Which is a universal blood donor
1.O
2.AB
3.AB+
4.none of these
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Which is used to cure ring worm and skin diseases
1.cassia obovata
2.cassia senna
3.cassia fistula
4.cassia alata
Posted Date:-2021-08-05 05:11:08
Which one is present in plant cells only
1.mitochondria
2.golgi bodies
3.vacuoles
4.plastids
Posted Date:-2021-08-05 05:11:08
Which physical method cause coagulation of bacterial proteins
1.dry heat
2.moist heat
3.gamma radiation
4.both a and b
Posted Date:-2021-08-05 05:11:08
Which type of genes do not obey law of independent assortment
1.linked genes
2.mutant genes
3.non-linked genes
4.both a and b
Posted Date:-2021-08-05 05:11:08
Who isolated the first restriction enzyme
1.Johns hopkin
2.Morgan
3.Nathans and Arber
4.Hamilton D. Smith
Posted Date:-2021-08-05 05:11:08