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Zoology > Cockriach > Flashcards

Cockriach Flashcards

1
Q

Cockroaches are _____ or _____ in colour.

A

Brown or black

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2
Q

Class of cockroach

A

Insecta

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3
Q

_______, ______, ______ coloured cockroaches are also reported in tropical/subtropical regions.

A

Yellow red green colored
Tropical

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4
Q

The size ranges from ___ inches to ___ inches.

A

1/4 to 3 inch

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5
Q

They are diurnal/nocturnal carnivores/omnivores

A

Nocturnal omni

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6
Q

Cockroaches are serious pests and vectors of many diseases. T/F

A

T

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7
Q

Common species of cockroach is __________

A

Periplaneta americana

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8
Q

Periplaneta americana
They are ___-___ cm long.

A

3.4-5.3 cm

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9
Q

The body is divisible into 3 regions ____, ____, _____

A

Head, thorax and abdomen

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10
Q

The entire body of the cockroach is covered with
______ skeleton.

A

Hard chitinous

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11
Q

Hardened plates forming exoskeleton are _____

A

Sclerites

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12
Q

______ are found dorsally and _______ are found ventrally.

A

Tergite and sternite

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13
Q

Tergites and sternites are joined to each other by thin/thick and flexible _____ also called _____

A

Thin arthrodial membrane, articular membrane

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14
Q

Shape of head of cockroach is _______

A

Triangular

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15
Q

Head is formed by fusion of ___ no of segments.

A

6

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16
Q

The neck is not flexible. T/F

A

F
Flexible

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17
Q

Head capsule bears a pair of __________

A

Compound eyes

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18
Q

A pair of thread-like antennae arise from
membranous sockets lying behind the eyes. T/F

A

F

Lying in front

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19
Q

Antennae help in (1)

A

Monitoring the environment

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20
Q

______________ type of mouth parts

A

Biting and chewing type

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21
Q

Upper lip is called _______

A

Labrum

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22
Q

Lower lip is called _______

A

Labium

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23
Q

Mouthparts consist of (4)

A

Labrum, labium, mandible, maxilla

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24
Q

Hypopharynx also called _______

A

Tongue

25
Q

Thorax consists of 3 parts. Name them

A

Prothorax, mesothorax and metathorax

26
Q

Neck is a short extension of ______

A

Prothorax

27
Q

The first pair of wings arise from ________

A

Mesothorax

28
Q

Second pair from _______

A

Metathorax

29
Q

Forewings are called _______. Features - (2)

A

Tegmina,
Features - opaque dark and leathery

30
Q

Hindwings features (2)

A

Transparent, membranous

31
Q

_______ wings are used in flight.

A

Hindwings

32
Q

Two pairs of wings are present at_____ and ______segments.

A

2nd and 3rd

33
Q

Abdomen of cockroach is divided into _____ segment

A

10

34
Q

In females, ____th is a boat shaped sternum

A

7th

35
Q

Genital pouch is formed by ____, ____, ____ sternum.

A

7th 8th 9th

36
Q

In males, genital pouch lies at _____ end of abdomen bounded dorsally by ____ and ____ terga
and ventrally by ____ sternum.

A

Hind, 9th, 10th 9th

37
Q

Anterior part of genital pouch contains ____, ____, ____

A

Female gonopore, spermathecal pores and collateral glands

38
Q

Male genital pouch consist of (3)

A

Dorsal anus , ventral male genital pore
Gonopophysis

39
Q

Anal styles are absent in males. T/F

A

F

40
Q

Anal cerci are absent in males. T/

A

F

41
Q

10th segement have Jointed filamentous structure are _______

A

Anal cerci

42
Q

____ segment of cockroach bear anal cerci.

A

10

43
Q

Anal style is also called _________

A

Caudal style

44
Q

Genital pouch consist of (2)

A

Genital chamber and vestibulum.

45
Q

Alimentary canal is divided into 3 regions. Name them.

A

Foregut, midgut and hindgut

46
Q

The mouth opens into a short tubular oesophagus. T/F

A

F
Pharynx

47
Q

Oesophagus opens into _____ which is used for ___________

A

Crop, storing of food

48
Q

Crop is followed by ______ or __________

A

Gizzard or proventriculus

49
Q

Gizzard has outer layer of thick/thin circular/longitudinal muscles and thick/thin inner
cuticle forming ___ no of highly chitinous plates called ______

A

Thick circular, thick 6, teeth

50
Q

________ help in grinding food.

A

Gizzard

51
Q

No. Of of gastric caecae present in cockroach are

A

6 to 8 blind

52
Q

___-___ blind tubules called _____ or _____ caecae are present at junction of ______and ………….

A

6-8. Hepatic or gastric, forgut and midgut

53
Q

Hepatic caecae fxn (1)

A

Secrete digestive juice

54
Q

Malpighian tubules are ____-____ in no.

A

100-150

55
Q

Between _______ and _______, a ____
coloured thick/thin filamentous ____ is present.

A

Midgut and hindgut, yellow, thin, malpighian tubules

56
Q

The midgut is broader than hindgut. T/F

A

F

57
Q

Hindgut is differentiated into _____, _____, _____

A

Ileum, colon and rectum

58
Q

Describe the path of flow of food from mouth to anus.

A

Mouth - Pharynx - Oesophagus Crop- Gizzard - Midgut lleum - Colon - Rectum

59
Q

A pair of _______ present near crop.

A

Salivary glands

Zoology (3 decks)

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