| what is the site of perception of photoperiod necessary for induction of flowering plants ? | leaves |
| the frequency of recombination between gene pairs on the same chromosomes as a measure of distance between genes was explained by | alfred sturtevant |
| reduction in the size of T-wave means | coronary ischemia (a condition in coronary artery disease during which the heart tissue is slowly or suddenly starved of oxygen and other nutrients) |
| cells in G0 phase | exist the cell cycle |
| which of the following glucose transporters is insulin-dependent? | GLUT-IV is insulin dependent and is responsible for the majority of glucose transport |
| which of the following ecological pyramids is generally inverted ? | pyramid of biomass in a sea |
| extrusion of second polar body from egg nucleus occurs: | after the entry of sperm but before fertilization |
| which of the following sexually transmitted diseases is not completely curable? | genital herpes |
| repiratory quotient (RQ) value of tripalmitin is | 102CO2/145O2=0.7 |
| concanavalin A is | a lectin |
| saccharomyces is used to make | bread |
| placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is | parietal |
| it is the most sensitive portion of the eye and consists of dense matrix of collagen | cornea |
| purines found both in DNA and RNA are | adenine and guanine |
| expressed sequence tags (ESTs) refers to | genes expressed as RNA |
| phloem in gymnosperms lacks | both seive tubes and companion cells |
| what is the genetic disorder in which an individual has an overall masculine development gynaecomastia, and is sterile ? | klinefelter's syndrome |
| xylem translocates | mineral salts, water, some organic nitrogen and hormones |
| persistent nucellus is the seed is known as | perisperm eg. black pepper and beet |
| cardiac output= | stroke volume*heart rate |
| polyblend, a fine powder of recycled modified plastic, has been proved to be a good material for | construction of road |
| which of the following muscular disorders is inherited? | muscular dystrohy |
| which equipment is essentially required for thr growing microbes on a large scale, for industrial production of enzymes | bioreactor |
| the concept of omnis cellula-e cellula regarding cell division was first proposed by | rudolf virchow |
| how does steroid hormone influence the cellular activities ? | binding of DNA and forming a gene-hormone complex |
| which of the following is a commercial blood cholestrol lowering agent | statin |
| which of the following is responsible for rejection of kidney graft | cell-mediated immunity |
| alimentary canal of cockroach | pharynx, oesophagus, crop, gizzard, ileum,colon and rectum |
| in mitochondria, enzymes for electron transport are present in the | inner membrane |
| hormone releasing Intra uterine devices | progestasert,LNG-20 |
| difference between spermiognesis and spermiation is | in spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from sertoli cells into the cavity of seminiferous tubules |
| role of the contraception 'SAHELI' | blocks estrogen receptors in the uterus preventing eggs from getting implanted |
| hormones secreted by the placenta to maintain pregnancy are | hCG, hPL, progestogens, estrogens |
| according to hugo de vries, the mechanisms of evolution is | saltation |
| AGGTATCGCAT is a sequence from the coding strand of a gene. what will be the corresponding sequence of the transcribed mRNA | AGGUAUCGCAU |
| which population interactions is widely used in medical science for the production of antibiotics | amensalism |
| what valve is present between right atrium and right ventrical | tricuspid valve |
| valve between right ventrical and pulmonary artery | semilunar valve |
| valve between left atrium and left ventrical | bicuspid valve |
| which hormones can play a significant role in osteoporosis | estrogen and parathyroid hormone |
| which cells indirectly help in erthropoiesis | parietal cells |
| is phospholipid synthesis an event that occurs in the RER | non |
| ciliates differ from all other protozoans in | having two types of nuclei |
| what is the role of NAD+ in cellular respiration | it functions as an electron carrier |
| in which form is iron absorbed by the plants | ferric |
| pollen grains can be stored for several years in liquid nitrogen having a temperature of | -196 degree celcius |
| two functional group characteristic of sugar are | carbonyl and hydroxyl |
| stomatal movement is not affected by | light |
| the stage during which seperation of the paired homologous chromosomes begins is | diplotene |
| in india, the organisation responsible for assesing the safety of introducing genetically modified organisms for public use is | genetic engineering appraisal committee |
| lac operon was discovered by | francois jacob and jacques monod |
| offsets are produced by | mitotic divisions |
| niche is | the functional role played by an organism where it lives |
| in stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen | Cl |
| which of the following is a secondary pollutant | O3 |
| after karyogamy followed by meiosis, spores are produced exogenously in | agaricus |
| pneumatophores occur in | halophytes |
| casparian strips occur in | endodermis |
| secondary xylem and phloem in dicot stem are produced by | vascular cambiam |
| sweet patato is modified | adventitious root |
