581 __________ are believed to have common origin with annelids. Biology Medium Full question → A Nematods B Arthropods C Molluscs D None of these
582 Polychaeta have____________? Biology Medium Full question → A Tentacles B Palps C Eyes D All of these
583 Nervous system of nematods consists of? Biology Medium Full question → A Ventral nerve cord B Dorsal nerve cord C Lateral nerve cord D All of these
584 All of the following are true for Platyhelminthes except____________? Biology Medium Full question → A Flatwarms B Triploblastic C Coelomate D Bilateral symmetry
585 Exoskeoeton of coelenterates terates is made up to__________? Biology Medium Full question → A Calcium B Silica C Chitin D Both A & B
586 Pseudocoelem develops from____________? Biology Medium Full question → A Blastopore B Plastoquinone C Blastocoel D Splitting of mesoderm
587 Excretory system of platyhlminthes consists of___________? Biology Medium Full question → A Nephridia B Flame cells C Malpighian tubules D Nephrons
588 All of the following coelenterates show alternation of generation except: Biology Medium Full question → A Hydra B Obelia C Aurelia D None of these
589 Enteron in coelenterates acts as___________? Biology Medium Full question → A Digestive cavity B Body cavity C Transporting cavity D all of these
590 Porifera range in size from__________? Biology Medium Full question → A Few millimeter wide to more than one meter tall B Few centimeter wide to more than one meter tall C Few decimeter wide to more than one meter tall D One meter wide to more than millimeter tall.
591 Coelom is lined by__________? Biology Medium Full question → A Parietal mesoderm B Visceral mesoderm C Mesoderm D Both A & B
592 Of the following which one is not the characteristic of Kingdom Animalia. Biology Medium Full question → A All animals are ingestive heterotrophs B All animals are eukaryotes C All animals develop from the dissimilar gametes i.e. large sperm and small egg. D It is largest kingdom.
593 _______ are the first group of invertebrates which have developed a closed circulatory system. Biology Medium Full question → A Nematods B Annelids C Arthropods D Molluscs
594 Main blood vessel of arthropods usually: Biology Medium Full question → A Lies on dorsal side B Lies on ventral side C Lies on lateral side D Is not present
595 Second largest phylum of invertebrates is____________? Biology Medium Full question → A Porifera B Arthropoda C Mollusca D Chordata
596 Body is globular in_________? Biology Medium Full question → A Cake urchin B Sea Urchin C Sea cucumber D Brittle star
597 Body is eel like in___________? Biology Medium Full question → A Cyclostomata B Chondrichthyes C Osteichthyes D None of these
598 Notochord is present throughout life in___________? Biology Medium Full question → A Urochordates B Cephalochordates C Chordates D Vertebrates
599 The only promoter of leaf senescence in the following plant hormones is________________? Biology Medium Full question → A Gibberellins B Cytokinins C Auxins D Abscisic Acid
600 Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________? Biology Medium Full question → A Gibberellins B Cytokinins C Auxins D Ethene.