Smooth muscles occur on

(1) viscera

(2) internal organs

(3) blood vessels

(4) all the above

Excretion in cockroach takes place by

(1) nephridium

(2) parotid gland

(3) coxal glands

(4) malphighian tubules

Non-cellular layer that connects inner surface of the epithelial tissue to the connective tissue is 

(1) basement membrane

(2) epidermis

(3) dermis

(4) either (2) or (3)

Tendon and ligament are example of 

(1) dense regular connective tissue

(2) dense irregular connective tissue

(3) loose connective tissue

(4) specialised connective tissue

Intercalated discs are characteristic of muscles found in 

(1) heart

(2) thigh

(3) urinary bladder

(4) stomach

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

(1) D-Unicellular glandular epithelium, goblet cells, secrete saliva

(b) B-Sqamous epithelium, walls of blood vessels, form a diffusion boundary

(3) A-Cuboidal epithelium, ducts of glands, secretion and absorption

(4) C-Columnar epithelium, lining of stomach, secretion and absorption

Haversian canal in the bone of mammals is connected by a small blood vessel canal called

a.   Schlemm's canal

b.   Volkmann's canal

c.   Portal capillaries

d.   Sinuses

Which of the following serve as the anchoring junctions between the cells?

(1) Tight junctions

(2) Gap junctions

(3) Desmosomes

(4) Nexuses

All the following statements regarding epithelial tissues are correct except

(1) the cells are completely packed with little intercellular matrix

(2) they do not have a vascular supply of their own

(3) cell junctions are very well developed in epithelial cells

(4) they rest on a cellular basement membrane

From which of the embryological germ layers is the epithelial tissue derived

(I) ectoderm

(II) mesoderm

(III) endoderm

(1) I & II are correct

(2) I & III are correct

(3) II & III are correct

(4) I & II & III are correct