Structural Orga...

The striated appearance of a myofibril is due to distribution pattern of

The cells lining the blood vessels belong to the category of ____________.

Stratum corneum of Frog contains.

The excretory organ of cockroach and other insects are 

The juvenile hormone promoting the nymphal characteristics of insects, is produced by 

Cockroach is 

Compound eyes are found in 

Which of the following is correct about cockroach? 

Papillary muscles are found in mammalian _______.

Given below are four statements (a - d) each with two blanks, regarding morphology and physiology of cockroach. Select the option which correctly fills up the blanks in any two statements.
(P) At the junction of  (i)  and midgut is present ring of 100-150 yellow coloured thin filamentous  (ii) 
(Q)  (i)  is a sac like structure, used for storing food. It is followed by  (ii)  which helps in grinding food.
(R) The respiratory system consists of a network of  (i) , that open through 10 pairs of small holes called  (ii)  on lateral side of the body.
(S) In both sexes, the  (i)  segment bears a pair of jointed filamentous structures called  (ii) .