Which among the following statements are correct ?

(I) Saliva is secreted by exocrine glands.

(II) Epithelial tissue rests on non-cellular basement membrane.

(III) Muscular tissue possesses cell junctions.

(IV) Mucus-secreting goblet cells are multicellular.

(1) I and II only

(2) I and IV only

(3) I, II and III

(4) Only III

Complete the following analogy :-

Vertebrates : Brain : : Cockroach : ___________

(1) Lower-oesophageal ganglion

(2) Supra-oesophageal ganglion

(3) Nephrocytes

(4) Ommatidia

Which among the following statements with respect to forewings of cockroach is incorrect?

(1) They are called as tegmina.

(2) They are opaque, leathery and dark.

(3) They arise from prothorax.

(4) They cover hindwings when at rest.

Which among the following are incorrect with respect to connective tissue ?

(1) Tendon is dense regular connective tissue.

(2) Bones are rich in collagen fibres.

(3) The intercellular material of cartilage is solid and pliable matrix that resists compression.

(4) Platelets and RBCs are devoid of nucleus.

Which among the following is not a sense organ of cockroach ?

(1) Labial palps

(2) Maxillary palps

(3) Caudal style

(4) Anal cerci

The complex animals mainly consist of how many types of tissues?

Tegmina are……… while hind wings are…………

The nervous system of cockroach is made up of a series of ganglia which are joined by

Among the following organs which ones are not sense organs:

Antennae, maxillary palps, mandibular palps, labralpalps, labial palps and anal cerci

At the time of copulation in Cockroach