Anal cerci is

(1) Jointed filamentous structure

(2) Present in 9th segment

(3) Present only in males

(4) More than one option is correct

Subtopic:  Cockroach: Intro & External Morphology |
 56%
From NCERT
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Pharynx of cockroach is

(1) Short, tubular

(2) Opens to crop

(3) Mouth leads to pharynx

(4) All the above

Subtopic:  Cockroach: Digestive System |
 75%
From NCERT
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Find the incorrect match.

(1) Junction of midgut and hindgut- Malpighian tubules

(2) Gizzard- Chitinous plates

(3) Crop- chemical digestion of food

(4) Gastric Caeca- digestive juice

Subtopic:  Cockroach: Digestive System |
 78%
From NCERT
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Gastric Caecae of cockroach is

(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

Subtopic:  Cockroach: Digestive System |
 61%
From NCERT
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Malpighian tubules of cockroach is

(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

Subtopic:  Cockroach: Excretory System |
 74%
From NCERT
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Hindgut in cockroach is

(1) Broader than midgut

(2) Has two parts ileum and rectum

(3) Rectum opens into blind sac

(4) More than one option is correct

Subtopic:  Cockroach: Digestive System |
 64%
From NCERT
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Blood vascular system of cockroach is

(1) Open type

(2) Haemocoel is present

(3) Haemolymph bathes the visceral organs

(4) All are correct

Subtopic:  Cockroach: Circulatory System |
 91%
From NCERT
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Choose the incorrect option from the following-

Heart of cockroach

(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

Subtopic:  Cockroach: Circulatory System |
From NCERT
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Which of the following statements is wrong?

(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

Subtopic:  Cockroach: Respiratory System |
 68%
From NCERT
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Malpighian tubules have which type of cells?

(1) Glandular and ciliated

(2) Only Glandular

(3) Only ciliated

(4) Keratinised cells

Subtopic:  Cockroach: Excretory System |
 92%
From NCERT
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