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consider the following four statements a - d regarding kidney transplant and select the two correct ones out of these1 even if a kidney transplant is
heartwood differs from sapwood in1 presence of rays and fibres2 absence of vessels and parenchyma3 having dead and non-conducting elements4 being
some of the characteristics of bt cotton are1 long fibre and resistance to aphids2 medium yield long fibre and resistance to beetle
genetic engineering has been successfully used for producing1 transgenic mice for testing safety of polio vaccine before use in humans2 transgenic
some hyperthermophilic organisms that grow in highly acidic ph2 habitats belong to the two groups1 eubacteria and archaea2 cyanobacteria and diatoms3
algae have cell wall made up of1 cellulose galactans and mannans2 hemicellulose pectins and proteins3 pectins cellulose and proteins4 cellulose
c4 plants are more efficient in photosynthesis than c3 plants due to1 higher leaf area2 presence of larger number of chloroplasts in the leaf cells3
a renewable exhaustible natural resource is1 coal2 petroleum3 minerals4 forestforest is a renewable exhaustible natural
which one of the following is not a lateral meristem1 intrafascicular cambium2 interfascicular cambium3 phellogen4 intercalary
restriction endonucleases are enzymes which1 make cuts at specific positions within the dna molecule2 recognize a specific nucleotide sequence for
cu ions released from copper - releasing intra uterine devices iuds1 make uterus unsuitable for implantation2 increase phagocytosis of sperms3
which one of the following statements about certain given animals is correct1 round worms aschelminthes are pseudocoelomates2 molluscs are
which one of the following kinds of animals are triploblastic1 flat worms2 sponges3 ctenophores4 coralsflat
the first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy1 fourth month2 fifth month3
which one of the following statements about all the four of spongilla leech dolphin and penguin is correct1 penguin is homiothermic while the
toxic agents present in food which interfere with thyroxine synthesis lead to the development of1 toxic goitre2 cretinism3 simple goitre4
carrier ions like na facilitate the absorption of substances like1 amino acids and glucose2 glucose and fatty acids3 fatty acids and glycerol4
the principal nitrogenous excretory compound in humans is synthesised1 in kidneys but eliminated mostly through liver2 in kidneys as well as
the signals for parturition originate from1 placenta only2 placenta as well as fully developed foetus3 oxytocin released from maternal pituitary4
dna or rna segment tagged with a radioactive molecule is called1 vector2 probe3 clone4
one of the free-living anaerobic nitrogen-fixer is1 beijernickia2 rhodospirillum3 rhizobium4
the permissible use of the technique amniocentesis is for1 detecting sex of the unborn foetus2 artificial insemination3 transfer of embryo into the
virus envelope is known as1 capsid2 virion3 nucleoprotein4 corecapsid
the technical term used for the androecium in a flower of china rose hibiscus rosasinensis is1 monadelphous2 diadelphous3 polyandrous4
male and female gametophytes are independent and free-living in1 mustard2 castor3 pinus4