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Cockroach Flashcards

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1
Q

Cockroach
Kingdom:
Phylum:
Class:
Genus:
Species:

A

Animalia
Arthropoda
Insects
Periplenta
Americana

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2
Q

Cock body is divisible into______

A

Head, thorax and abdomen

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3
Q

There body is covered with hard____exoskeleton

A

Chitinous

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4
Q

_____segmentation present

A

Metameric

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5
Q

Each metamere has ____covering called as ____

A

Chitinous, sclerites

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6
Q

Each sclerite is further connected with a flexible ____ membrane

A

Arthrodial

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7
Q

Each sclerite
Dorsally k/a -
Ventrally k/a-
Laterally k/a-

A

Tergum/tergite
Sternum/Sterlite
Pleura

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8
Q

What is pronotum?

A

A large chitinous plate, covers some part of Head and prothorax

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9
Q

Size of avg cock -

A

1/4 inch to 3 inch (0.6 - 7.6 cm)

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10
Q

Size of P.americana

A

34-53mm long

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11
Q

Sexual dimorphism in male and female cock

A

In males
1. Wings extend beyond abdomen

  1. Genital pouch formed by fusion of 9th, 10th tergum along with 9th sternum
  2. They have anal cerci as well as Caudal/anal style in its 9th sternum
  3. URECOSE GLAND present only in males (excretory system ka part)

In females

  1. Genital pouch/brood pouch formed by fusion of 7,8,9 sternum.

7th sternum is boat shaped.

  1. They only have anal cerci
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12
Q

Head is connected to____ by a____ neck which is the extension of_____

A

Thorax, flexible, prothorax

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13
Q

Segments present in

            Head.     Thorax.     Abdomen

Nymph. _. __. _
Adult. ____. _____. _

A

Nymph 6, 3, 11
Adult. 1, 3, 10

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14
Q

The reduced simple eye is called as ___

A

Ocelli

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15
Q

Diagrams dekh le bhai ncert ya medeasy se

A
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16
Q

Name the mouth parts in cock

A

1 labrum (upper lip)
1 labium (lower lip)
1 hypopharynx (tongue)
2 mandible
2 maxillas

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17
Q

How many segments +nt in thorax name them

A

Prothorax, mesothorax, metathorax

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18
Q

How many wings does cock has

A

2 —> forewings , hindwings

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19
Q

Forewings originate from? And it’s other names

A

Mesothorax hence k/a mesothoracic wings,

Its other name temina or elytra

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20
Q

Morphology characters of forewings? And what’s it use? Are they used for flight?

A

Dark, opaque, leathery.

Not used for flight, only protects hindwings

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21
Q

Hind wings originate from?

A

metathorax hence k/a Metathoracic wing

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22
Q

Morphology of hind wings? And it’s use?

A

Transparent and membranous,

Used for flight

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23
Q

Male genital pouch is made from the fusion of which segments? And it has openings for what?

A

9th and 10th tergum along with 9th sternum.

Opening is for Dorsal anus, ventral male genital pore/ male gonopore and gonapophysis is seen

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24
Q

Boat shape sternum is found in?

A

Female cock at 7 sternum

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25
In digestive system of cock **FOREGUT** starts from and ends to?
Start from mouth upto gizzard
26
Digestive system is comprised of?
FOREGUT: mouth upto gizzard Midgut : mesenteron (**thin tube**) Hindgut: ileum + colon + rectum (**thicker tube**)
27
Respiratory system of cock also known as
Tracheal system
28
Tracheal system of cock is comprised of
Spiracle, trachea, and tracheoles
29
In respiratory system of cock the _____ are guarded by ____ and are present ___ pairs **laterally**
Spiracle, sphincters ,10
30
Respiratory ka dig ka dekh le med easy se
31
Pathway of tracheal system in cock
Spiracle —>trachea—>tracheole
32
Malpighian tubule is present between ____ and ____
Midgut and hindgut
33
Color of malpighian tubule
Greenish yellow
34
Malpighian tubule is present between ____ and ____
Midgut and hindgut
35
Cock heart is ____ chambered, ____ shape, present ____ dorsally, has ____openings calledd____ present on ____ side for the entry of_____
13 , funnel, mid, lateral, OSTIA, either, haemolymph
36
The opening of heart is called ____
Ostia
37
Ostia is present between
2 chamber FAN SHAPED **alary muscles** present
38
How many pair of alary muscles are present?
12 pair
39
Why only 12 pair present?
Because 1 pair is b/w 2 chamber of heart, so 13 chamber will have 12 pair
40
First chamber of heart is connected with
Anterior aorta
41
Heart of cockroach lies in
Mid dorsal line of thorax and abdomen
42
Haemolymph is a ____ blood with no _______
Colorless , respiratory pigmentat
43
Heamolymph is present in _____ spaces called as _____ or _____
Open, sinuses or heamocoel
44
Heamolymph is made of
Haemocytes (blood cell) + plasma
45
Anterior aorta opens into _____
Cephalic sinus ( head)
46
1st chamber of the heart is connected to ______., and The _____ opens into **cephalic sinus** (head)
Anterior aorta, Anterior Aorta.
47
Choose the correct option Flow of haemolymph is from 1. Posterior to anterior 2. Anterior to posterior 3. No flow as its a open circulation
1. Posterior to anterior
48
Name the different structures present in cocks excretory system?
1.Malpighian tubule 2. Fat bodies 3. Nephrocytes 4. **Urecose glands ( present only in males)**
49
50
The excretory product of cock is ____, hence they are k/a _____ animals
Uric acid, uricotelic animal
51
The excretory product is dissolved in _____ in the form of mainly ______ and _____.
Haemolymph, potassium phosphate and sodium phosphate
52
The epithelium present in malpighian tubule is ______
Ciliated and glandular
53
Excretory ka diagram dekh le bhai med easy se
54
Circulatory ka system dekh le bhai
55
The nervous system of cock consists of **series** of _____ , ______ arranged ____
Fused, segmentally , ganglia
56
How many ganglia lies in the thorax and abdomen respectively?
Thorax — 3 Abdomen — 6
57
A major part of the nervous system is present in?
Belly side ( ventral )
58
What represents the brain of the cock? What part of the body does it control?
Supra - oesophageal ganglion. It mainly controls the mouth part such as eyes and antennae.
59
How does the position and structure of the nerve cord in cockroaches differ from that in humans?
Cockroach: Double, solid, ventral nerve cord Human: Single, hollow, dorsal nerve cord (spinal cord)
60
Which of the following statements is true regarding the nervous system of cockroach? A) It has a single dorsal nerve cord B) It has a double solid ventral nerve cord C) It has a hollow nerve ring D) Its CNS lies dorsally like in vertebrates
B) It has a double solid ventral nerve cord
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