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satellite dna is useful tool in1 organ transplantation2 sex determination3 forensic science4 genetic engineeringforensic
the second maturation division of the mammalian ovum occurs1 shortly after ovulation before the ovum makes entry into the fallopian tube2 until after
photoperiodism was first characterised in1 tobacco2 potato3 tomato4 cottontobacco is the first in whic photoperiodism
the energy - releasing metabolic process in which substrate is oxidised without an external electron acceptor is known as1 glycolysis2 fermentation3
the scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons1 cotyledon2 endosperm3 aleurone
the plasma membrane consists mainly of1 phospholipids embedded in a protein bilayer2 proteins embedded in a phospholipid bilayer3 proteins embedded
if for some reason our goblet cells are non-functional this will adversely affect1 production of somatostatin2 secretion of sebum from the sebaceous
the main arena of various types of activities of a cell is1 plasma membrane2 mitochondrian3 cytoplasm4
which two of the following changes a - d usually tend to occur in the plain dwellers when they move to high altitudes 3500 m or more1 enhance in red
the common nitrogen-fixer in paddy fields is1 rhizobium2 azospirillum3 oscillatoria4 frankiaazospirillum is the common nitrogen-fixer in paddy
during mitosis er and nucleolus begin to disappear at1 late prophase2 early metaphase3 late metaphase4 early prophaselate prophase
the nerve centres which control the body temperature and the urge for eating recontained in1 hypothalamus2 pons3 cerebellum4 thalamushypothalamus
low ca in the body fluid may be the cause of1 tetany2 anaemia3 angina pectoris4 gout tetany cause low
abo blood groups in humans are controlled by the gene i it has three alleles - ia ib and i as there are three dissimilar alleles six different
transfer of pollen grains from the anther to the stigma of another flower of the similar plant is known
given four respiratory capacities a - d and four jumbled respiratory volumes of a normal human adult respiratory respiratorycapacities
an element playing significant role in nitrogen fixation is 1 molybdenum2 copper3 manganese4 zincan element playing significant role in nitrogen
explain hivaidshivaids is another example of chronic infections its existence was discovered recently in 1981 the spread of hiv
hiv human immuno deficiency virus infection andaids acquired immune deficiency
using a specific example describe how hormones have an important role in the regulation of body functions and also what happens if there is an over
types specimens of echpnodermata before we begin the study of the selected specimens of the following echinoderms - feather star brittle star sea
classification with its justificationkingdom animalia animals multi-cellular organisms with cells that lack a cell wall many capable of
q what do you mean by echinodermatayou will recall that pliylum echinodermata includes spiny skinned animals which are exclusively marine gr
q classification and justification of hemichordatakingdom animalia animals multicellular organisms with cells that lack a cell wall many capable of
q type specimen of class enteropneustaexamine the specimen and note the following features1 balanoglossus has a soft elongated worm-like body which