Anal cerci is

(1) Jointed filamentous structure

(2) Present in 9th segment

(3) Present only in males

(4) More than one option is correct

(1) Short, tubular

(2) Opens to crop

(3) Mouth leads to pharynx

(4) All the above

(1) Junction of midgut and hindgut- Malpighian tubules

(2) Gizzard- Chitinous plates

(3) Crop- chemical digestion of food

(4) Gastric Caeca- digestive juice

(1) Secrete digestive juice

(2) 10-12 blind tubules

(3) Present at the junction of midgut and hindgut-

(4) More than one option is correct

(1) At the junction of midgut and hindgut

(2) Thin filamentous

(3) Another ring of 200-250

(4) Not all but any two are correct

(1) Broader than midgut

(2) Has two parts ileum and rectum

(3) Rectum opens into blind sac

(4) More than one option is correct

(1) Open type

(2) Haemocoel is present

(3) Haemolymph bathes the visceral organs

(4) All are correct

(1) Has elongated muscular tube

(2) Lying along mid ventral line of thorax and abdomen

(3) Has closed funnel shaped chambers with ostia on either side

(4) All the above

(1) Spiracles are regulated by sphincters in Cockroach.

(2) Tracheoles is the place for gaseous exchange

(3) There will be 10 pairs of spiracles

(4) Tracheoles divide into tracheal tubes

(1) Glandular and ciliated

(2) Only Glandular

(3) Only ciliated

(4) Keratinised cells