A tiny part of DNA controlling a sprcific character is called
1.base pair
2.allele
3.gene
4.nucleotide
All are diseases related to nutrition but which one is neurotic disorder also
1.dyspepsia
2.obesity
3.piles
4.bulimia nervosa
All are example of fish except
1.silver fish
2.whale
3.shark
4.trout
All are hyphal fungi except
1.mushrooms
2.morels
3.puff balls
4.yeast
All diseases are caused by nutrition deficiencies except
1.scurvy
2.beri beri
3.anemia
4.haemophilia
All hormones are amino acids or their derivatives except
1.oxytocin
2.thyroxin
3.epinephrine
4.nor-epinephrine
Canines are missing in all except
1.deer
2.sheep
3.goat
4.dog
Deserts occur in the region where annual rainfall is
1.less than 250 mmm
2.250-650mm
3.250-750mm
4.none of these
Each mesophyll cell have about chloroplast
1.20-100
2.40-100
3.10-100
4.50-100
Equisetum is example of
1.lycopsida
2.bryopsida
3.sphenopsida
4.pteropsida
Fungi store surplus food in form of droplets of
1.protein
2.glycogen
3.lipid
4.both b and c
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
Human genome consists of base pairs
1.3 billion
2.3 million
3.3 lac
4.3 thousand
Hypothalamus is a part of
1.mid brain
2.hind brain
3.fore brain
4.medulla
In acrocentric chromosome the centromere is located at the
1.tip
2.near tip
3.in middle
4.near middle
In grasshopper the male has chromosome
1.XX
2.XO
3.XXO
4.XY
In the structure of DNA the no. of base pairs in each turn is
1.10
2.20
3.34
4.0.34
Mesosomes are internal extensions of
1.cell membrane
2.cell wall
3.nucleus
4.vacuole
ome plants deposit strange chemicals in their branches and trunks especially in old xylem as in
1.conifers
2.eucalyptus
3.cactus
4.ebony
Panting the evaporative mechanism is most prominent in
1.elephant
2.bat
3.dog
4.fish
Parasexuality phenomena is observed in
1.ascomycota
2.basidiomycota
3.zygomycota
4.deuteromycota
Plants growth is least at
1.35 centigrade
2.25-30 centigrade
3.5-10 centigrade
4.35-40 centigrade
Principal decomposers of cellulose and lignin are
1.bacteria
2.fungi
3.algae
4.both a and b
Rate of reaction double after each rise of temperature of
1.10 centigrade
2.20 centigrade
3.10 kelvin
4.1 kelvin
Reptiles flourished throughout
1.mesozoic era
2.cenozoic era
3.devonian era
4.jurassic era
Simplest of all bryophytes is
1.liverworts
2.bryopsida
3.anthoceropsida
4.both a and b
Skeletal muscles are joined to bones with the help of
1.tendon
2.ligament
3.connective tissue
4.both a and b
Tests of foraminifera are made of
1.silica
2.carbon
3.calcium
4.all of these
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
The cause of sleeping sickness is
1.plasmodium
2.tse-tse fly
3.trypanosoma
4.virus
The chemical link between catabolism and anabolism is
1.ATP
2.oxygen
3.nitrogen
4.all of these
The deficiency of thyroid secretions in adults produces
1.goiter
2.myxoedema
3.cretinism
4.graves disease
The detachable co-factor is known as
1.prosthetic group
2.activator
3.co-enzyme
4.holoenzyme
The example of ectoparasites except
1.lice
2.fungi
3.tape worm
4.ticks
The major producers in aquatic ecosystem are
1.dinoflagellates
2.euglenoids
3.brown algae
4.diatoms
The no. of spiracles in cockroach thorax is
1.2
2.4
3.8
4.10
The retroviruses are
1.single stranded DNA
2.single stranded RNA
3.double stranded RNA
4.double stranded DNA
The small size and localized tumors are called
1.malignant
2.benign
3.both a and b
4.none of these
The specialized structure including aster and spindle is called
1.centriole
2.astral microtubules
3.mitotic apparatus
4.all of these
The total gestation period is of
1.265 days
2.275 days
3.280 days
4.285 days
To excrete 1 g of urea nitrogen water require is
1.500ml
2.5000ml
3.50 cubic centimetre
4.5000 cubic centimetre
Uterus opens into vagina through
1.cervix
2.urethra
3.clitoris
4.none of these
Vestigial organs are example of
1.comparative anatomy
2.homology
3.analogy
4.all of these
Which cell is a anucleated cell
1.muscle cell
2.white blood cell
3.red blood cell
4.brain cell
Which is a universal blood donor
1.O
2.AB
3.AB+
4.none of these
Which is used to cure ring worm and skin diseases
1.cassia obovata
2.cassia senna
3.cassia fistula
4.cassia alata
Which one is present in plant cells only
1.mitochondria
2.golgi bodies
3.vacuoles
4.plastids
Which physical method cause coagulation of bacterial proteins
1.dry heat
2.moist heat
3.gamma radiation
4.both a and b
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
Who isolated the first restriction enzyme
1.Johns hopkin
2.Morgan
3.Nathans and Arber
4.Hamilton D. Smith