cockroach

Question 1

cockroach size

Answer 1

1/4 - 3 inches
(.6-7.6cm)

Question 2

length of cockroach

Answer 2

34-53mm

Question 3

sclerites called tergites and sternites lieing

Answer 3

tergites dorsally
sternites ventrally

Question 4

head lies —-at —-to the longitudinal body axis

Answer 4

anteriorly at right angales

Question 5

head formed by the fusion of —-segments

Answer 5

6

Question 6

—- of the head bears appandages forming biting and chewing type of mouth parts

Answer 6

anterior end

Question 7

head is connected with thorax by a short extension of —— known as —–

Answer 7

prothorax
neck

Question 8

how many pair of walking legs in thorax

Answer 8

3 pairs (each thorasic seg has 1 pair

Question 9

first pair of wings(forewings tEgmina) arise from

Answer 9

mesothorax

Question 10

wings used in flight

Answer 10

hind wings

Question 11

how many segments in thorax

Answer 11

3

Question 12

segments in abdomen

Answer 12

10

Question 13

in females ——is boat shaped and together with —–and —- forms a brood or genital pouch

Answer 13

7th sternum boat shaped
together wityh 8th and 9th sterna

Question 14

==== part of genital pouch contains —–,,——–,,———

Answer 14

anterior part
gonopore
spermathecal pores
collateral glands

Question 15

in males ,genital pouch or champer lies at the ——–and bounded———by ——–and ——-by ———

Answer 15

hind end of abdomen bounded
dorsally by 9th and 10th terga
ventrally by 9th sternum

Question 16

genital pouch of males contains —-,—-,and ——-

Answer 16

dorsal anus
ventral male genital pore and gonopophysis

Question 17

in both sexes —-bears a pair of jointed filamentous structure called ——–

Answer 17

10th segment
anal cerci

Question 18

how many pair of salivary glands

Answer 18

1 pair

Question 19

gizzard aka

Answer 19

proventriculus

Question 20

gizzard has outer layer of —–and —-forming 6bhighly chiinous plates called teeth

Answer 20

outerlayer of thick circular muscles and thick inner cuticle

Question 21

crop and gizzard fn

Answer 21

crop =storing of food
gizzard =grinding of food

Question 22

entire forgut lined by

Answer 22

cuticle

Question 23

ring of ———-called hepatic or gastric caecae present in the jn of forgut andmidgut which secreets digestive juices t

Answer 23

6-7 blind tubules

Question 24

junction of midgut and hindgut present another ring of ——yelow coloured thin filamentous ——

Answer 24

100-150 yellow coloured thin filaments called malphigian tubules

Question 25

heart of cockroach consists of ------lying along -------of thorax and abdomen

Answer 25

elongated muscular tube lying along mid dorsal line

Question 26

respirtaory stem of cockroach has network of trachea that open through ------of small holes called -----present on ----og body

Answer 26

10 piars spiracles lateral side

Question 27

exchange of gases takes place in th -----by ------

Answer 27

tracheoles by diffusion

Question 28

each malphigian tubules lined by

Answer 28

glandular and ciliated cells

Question 29

cockroach is uricotelic and ---- ------ -------- helps in excretion along with malph tubules

Answer 29

fat bodies nephrocytes uricose glands

Question 30

head contains only a small part of NS rest is spread along ------of body

Answer 30

ventral or belly side

Question 31

NS of cockroach consits of serioes of ----------joined by -------on -------side

Answer 31

fused segmentlly arranges ganglia joined by paires longitudinal connectives on ventral side

Question 32

compound eyes situated at----of head and each eye has has ----hex ommatidiea

Answer 32

dorsal 2000

Question 33

brain is rep by----which supplies nerves into --------

Answer 33

supra esophageal ganglion which supplies nervesto antennae and compound eyes

Question 34

testis lying

Answer 34

lateral side in the 4-6 th abd seg,ments

Question 35

EJ opens into male gonopore sutuated ---to anus

Answer 35

ventral

Question 36

mushroom gland present in ----fns as ---

Answer 36

male rep sys 6 -7 th abd segments fn accesory reproductive galnd

Question 37

in male rp external gen rep by

Answer 37

male gonopophyses or phalomere(chitinous assymetrical str surrounding male gonopore

Question 38

sperms are stored in sem ves which aere glued together in the form of -----and disch during copln

Answer 38

spermatophores

Question 39

ovary lying

Answer 39

laterallly in the 2-6th abd seg

Question 40

a pair of ---- presnt in ----segment which opens into genital chambers in fem rp

Answer 40

spertheca 6th seg

Question 41

sperms are transferred throgh

Answer 41

spermatophores

Question 42

oothecae length

Answer 42

3/8''(8mm)long

Question 43

each ovary group of-------ovarian tubules or ovarioles

Answer 43

8

Question 44

female prod------to----oothecae

Answer 44

9 -10

Question 45

each oothecae conatins

Answer 45

14-16 eggs

Question 46

dev is ----in periplaneta mericana

Answer 46

direct

Question 47

how many times moulting in cockroach nymph

Answer 47

13