501 Most of the photosynthesis on earth is carried by__________? Biology Medium Full question → A Kelps B Gymnosperms C Angiosperms D Algae
502 Of the following which one has glassy shells________________? Biology Medium Full question → A Radiolarians B Forams C Both of these D None of these
503 The only group of algae having no flagellated motile cells at any stage is___________? Biology Medium Full question → A Chrysophyta B Phaeophyta C Pyrrophyta D Rhodophyta
504 Chalk is gradually formed of dead______________? Biology Medium Full question → A Actinopods B Foraminiferans C Apicomplexans D Radiolarians
505 Brown algae are also known as___________? Biology Medium Full question → A Phaeophyta B Rhodophyta C Pyrrophyta D Chrysophyta
506 The drfinite shape to ciliates is given by____________? Biology Medium Full question → A Pellicle B Penicle C Calcium D Cell wall
507 Golden algae are also known as___________? Biology Medium Full question → A Chrysophyta B Phaeophyta C Pyrrophyta D Rhodophyta
508 Complex specialized flagellates living symbiotically in the gut of termites are___________? Biology Medium Full question → A Trichonymphas B Trypanosoma C Euglena D Radiolarians
509 Based on molecular data euglenoids are thought to be closely related to___________? Biology Medium Full question → A Dinoflagellates B Zooflagellates C Protozoans D Algae
510 Stentor is a/an____________? Biology Medium Full question → A Ciliate B Foraniniferan C Actinopods D Apicomplexan
511 Which of the following fishes contained lungs? Biology Medium Full question → A Lamprey B Perch C Plaice D Dipnoi
512 Mammals became dominant in__________? Biology Medium Full question → A Proterozoic era B Mesozoic era C Paleozoic era D Cenozoic era
513 Which of the following are motile zooids in cnidarians? Biology Medium Full question → A Polyps B Medusae C Both of these D None of these
514 In sponges fertilization takes place in____________? Biology Medium Full question → A Ectoderm B Mesenchyme C Endoderm D Uterus
515 80% of the food of sponges consists of__________? Biology Medium Full question → A Detrital organic particles B Zooplankton and small animals C Phytoplanktons D all of these
516 The single main opening of the sponge cavity is____________? Biology Medium Full question → A Osculum B Ostia C Spongocoel D None of these
517 Sperms released in water are carried to the mesenchyme in sponges by__________? Biology Medium Full question → A Amoeboid cell B Stipules C Spicules D Spines
518 The skeleton of sponges is made up of___________? Biology Medium Full question → A Calcium B Silica C Both of these D None of these
519 The sponges in which sperms develop first are included in the category of__________? Biology Medium Full question → A Peritandrous B Pertandrous C Protendrous D Protandrous
520 A sponge of Antarctica which is more than a meter tall is____________? Biology Medium Full question → A Scolymastra joubini B Euplectella C Spongilla D Leucoselenia