In frog heart, there are cardiac muscles which consists of fibres called

• Purkinje fibres

• myonemes

• telodendria

• columnae carnae

Malphigian tubules are

• excretory organs of insects

• excretory organs of frog

• respiratory organs of insects

• endocrine glands of insects

Compond squamous epithelium is found in

• stomach

• intestine

• trachea

• pharynx

Striped muscles are characterized by

• syncytial 

• spindle shape

• uninucleate

• none of these

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Striped muscles are

• anucleate

• binucleate

• uninucleate

• syncytial

Inner lining of blood vessels is formed by

• ciliated epithelium

• squamous epithelium

• cubical epithelium

• columnar epithelium

Nucleated RBC is present in

• man

• rat

• frog

• rabbit

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

The figure shows different human tissues labelled as A to D. Which option gives the correct identification of the label, its location and one feature.

• D-Unicellular glandular epithelium, goblet cells, secrete saliva

• B-Squamous epithelium, walls of blood vessels, form a diffusion boundary

• A-Cuboidal epithelium, ducts of glands, secretion and absorption

• C-Columnar epithelium, lining of stomach, secretion and absorption

Pacinian corpuscles occur in the skin of certain parts of body in mammals. These are

• type of glands

• pain receptors

• naked tactile receptors

• encapsulated pressure receptors.