Areolar connective tissue joins
fat body with muscles
integument with muscles
bones with muscles
bones with muscles
Earthworms are
ureotelic when plenty of water is available
ureotelic when plenty of water is available
uricotelic under conditions of water scarcity
uricotelic under conditions of water scarcity
Which one of the following groups of structures/ organs have similar function?
Typhlosole in earthworm, intestinal villi in rat and contractile vacuole in Amoeba.
Nephridia in earthworm, Malpighian tubules in cockroach and urinary tubules in rat
Antennae of cockroach, tympanum of frog and clitellum of earthworm
Incisors of rat, gizzard (proventriculus) cockroach and tube feet of starfish
In a vertebrate which germ layer forms the skeleton muscles ?
Ectoderm
Endoderm
Mesoderm
Both 'a' and 'c'
In frog chromosome number is reduced to half
when 2nd polar body is separated
when 2nd polar body is divided
when 3rd polar body is separated
when 1st polar body is separated
Inner lining of blood vessels is formed by
ciliated epithelium
squamous epithelium
cubical epithelium
columnar epithelium