421 In the Lysogenic cycle the DNA of the bacteriophage__________________? Biology Medium Full question → A Joins the bacterial chromosomes B Attaches to the inner surface of the host membrane C Is immediately degraded when enters the host D Goes directly to host ribosomes for translation
422 All phostosynthetic euglenoids lose their chlorophyll when grown in dark and obtain their nutrients heterotrophically this statement is___________? Biology Medium Full question → A True B False C May be true may be false D Unpredictable
424 Most dinoflagellates are___________? Biology Medium Full question → A Unicellular B Multicellular C Both of these D Zooflagellates
425 Plasmodium belongs to__________? Biology Medium Full question → A Ciliates B Apicomplexans C Actinopods D Foraminferans
426 The most important group of producers in marine ecosystem is of__________? Biology Medium Full question → A Diatoms B Euglenoids C Dinoflagellates D Brown algae
427 Lime stone deposits are formed from__________? Biology Medium Full question → A Zooflagellates B Foraminferans C Aetinopods D Apicomplexans
428 Of the following which one is not the characteristic of dinoflagellates? Biology Medium Full question → A Most of them are unicellular B They have blooms C Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium D None of these
429 Examples of Rhodophytes are___________? Biology Medium Full question → A Chondrus B Polysiphonia C Both of these D Pinnularia
430 Which of the following statement about eiliates in incorrect_____________? Biology Medium Full question → A Contain mainly unicellular organisms. B Their contractile vacoule is respobsible for water regulation. C They are even capable of sexual reproduction. D Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.
431 In chlorophytes the main energy stores are__________? Biology Medium Full question → A Cellulose B Starch C Glycogen D All of these
432 Radiolarians belong to which of the following protozoal group____________? Biology Medium Full question → A Zooflagellates B Actinopods C Foraminifera D Apicomplexans
433 Of the following which one is not the characteristic of green algae? Biology Medium Full question → A Some green algae possess cell wall with cellulose B They are generally accepted as the ancestors of green plants C Chlorella is unicellular non-motile green algae D None of these
434 Which of the protozoa has a striking resemblance to collar cells in sponges_____________? Biology Medium Full question → A Zooflagellates B Choanflagellates C Trypanosomoa D Trichonymphas
435 In slime molds spores develop into__________? Biology Medium Full question → A Swarm cells B Biflagellated cells C Amoeboid reproductive cells D All of these
436 Who first separated bacteria from other protists as a group_____________? Biology Medium Full question → A John Hogg B Ernst Haeckel C Margulis and Schwartz D Herbert Copeland
437 Spores produced by slime molds are__________? Biology Medium Full question → A Haploid B Diploid C Triploid D None of these
438 Which of the following statement about Kingdom Protista is incorrect_______________? Biology Medium Full question → A Their members have characteristics which separate them from other kingdoms B They only include unicellular aquatic eukaryotic organisms C They do not develop from Blastula or embryo D They contain ancestors for fungi plants & animals
439 Which of the following is responsible for Irish potato famine? Biology Medium Full question → A Dinoflagellates B Kleps C Physarum polycephalum D Phytophthora infestans