Structural Organisation In Animals

Chloragogen cells of earthworms are analogous to vertebrate :

• lungs

• liver

• gut

• kidneys

Areolar connective tissue joins

• fat body with muscles

• integument with muscles

• bones with muscles

• bones with muscles

Number of cranial nerves in frog :

• 10 pairs

• 9 pairs

• 12 pairs

• none of the above

Nucleated RBC is present in

• man

• rat

• frog

• rabbit

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

Striped muscles are characterised by

• syncytial

• spindle shape

• uninucleate

• none of the above

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