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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
phototropic curvature is the result of uneven distribution of 1 gibberellin2 phytochrome3 cytokinins4
which one of the following statements is correct with respect to aids1 the hiv can be transmitted through eating food together with an infected
which one of the following is an example of ex-situ conservation1 wildlife sanctuary2 seed bank3 sacred groves4 national parkseed bank
the one aspect which is not a salient feature of genetic code is its being1 degenerate2 ambiguous3 universal4
which one of the following is used as vector for cloning genes into higher organisms 1 baculovirus2 salmonella typhimurium3 rhizopus nigricans4
ovary is half-inferior in the flowers of 1 guava2 plum3 brinjal4 cucumberplum is the flower in which ovary is half -
if due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional what will be the immediate effect1
the biomass available for consumption by the herbivores and the decomposers is called 1 net primary productivity2 secondary productivity3 standing
the excretion by the human kidneys1 descending limb of loop of henle is impermeable to water2 distal convoluted tubule is incapable of reabsorbing
injury to adrenal cortex is not likely to affect the secretion of which one of the following1 aldosterone2 both androstenedione and
a common biocontrol agent for the control of plant diseases is 1 baculovirus2 bacillus thuringiensis3 glomus4