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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
pouched mammals are known as	metatherians
chloragogen cells of earthworm are similar to which organ of vertebrates	liver
haemocoel is found in	cockroach and pila
larva of housefly lacks	wings
single filament of nostoc without mucilage sheath is called as	trichome
aristotle's lantern is found in	the mouth of a sea urchin
sympathetic nerves in mammals arise from	thoracico-lumbar region
which of the following statement is true regarding corals	solitary or colonial
water current in leucosolenia is produced by	choanocytes
paired spermathecae occur in pheretima in which of the following segments	6,7,8,9
weberian ossicles are found in	fishes
the vetebrae in birds are mostly	heterocoelous
basket star belongs to class	ophiuroidea
the egg case in female cockroach is formed by secretion of	collaterial gland
power of regeneration in sponges is due to	archaeocytes
pigment haemocyanin is found in	mollusca
antedon belongs to which of the following class	crinoidea
how many ovaries are found in birds	one
the places of first,second and third moulting of ascaris larva are	soil,alveoli,lung
in entamoeba histolytica, the presence of chromatid bodies is characteristic of	precystic stage
just as xenopsylla is a yersenia pestis, so is	phlebotomus to leishmania donovani
which one feature is common to leech,cockroach and scorpian	nephridia
regeneration of two transversely cut equal pieces of a hydra into two small hydras	morphallaxis
ticks and mites are actually	arachnids
portugese man of war is	a polymorphic,colonial,coelentrata
Hermaphrodite is	Spongilla
All protozoans are :-	Heterotrophs
Lapping type of mouth parts are found in	Honey bees
Following is present in Urochordates	Endostyle
An important characteristic that all chordates show without any exception is	Presence of notochord in any stage of their life-span
Flight muscle of birds are attached to	Keel of sternum
Birds have dry skin, then how they have smooth & water proof feathers ?	By secretion of Uropygeal gland