Which of the following is incorrect with respect to Cardiac muscle tissue?

(1) Contractile tissue

(2) No cell junctions

(3) Contract as a unit

(4) Intercalated discs are present

Subtopic:  Cardiac Muscle & Smooth Muscle |
 84%
From NCERT
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Human heart has which type of tissue?

(1) Epithelial

(2) Connective

(3) Muscular

(4) More than one option is correct

Subtopic:  Cardiac Muscle & Smooth Muscle |
 71%
From NCERT
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Sexual dimorphism in case of cockroaches are observed-

(1) Males having longer wings than female

(2) Presence of caudal style in male

(3) Presence of caudal style in female

(4) More than one option is correct

Subtopic:  Cockroach: Intro & External Morphology |
From NCERT
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The hardened plates of exoskeleton ventrally is known as

(1) Sclerites

(2) Tergites

(3) Sternites

(4) Ternites

Subtopic:  Cockroach: Intro & External Morphology |
 66%
From NCERT
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Arthrodial membrane in cockroach is

(1) Articular membrane

(2) Thin

(3) Flexible

(4) All of these

Subtopic:  Cockroach: Intro & External Morphology |
 93%
From NCERT
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A pair of antennae arise from

(1) Membranous sockets

(2) Ocellus

(3) Compound eye

(4) Maxilla

Subtopic:  Cockroach: Head & Mouth Parts |
 75%
From NCERT
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Which one is odd with respect to cockroach

(1) Chewing and biting type mouth parts

(2) Flexible neck

(3) Sensory receptors in antennae

(4) Head is formed by fusion of 8 segments

Subtopic:  Cockroach: Head & Mouth Parts |
 90%
From NCERT
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Which of the following is not suitable for hypopharynx?

(1) A median lobe

(2) Flexible

(3) Acting a tongue

(4) Formed by one of the segments of head

Subtopic:  Cockroach: Head & Mouth Parts |
 85%
From NCERT
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The head is connected with thorax-

(1) By a long extension of prothorax

(2) By a short extension of prothorax

(3) By a short extension of neck

(4) By a long extension of neck

Subtopic:  Cockroach: Head & Mouth Parts |
 76%
From NCERT
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Tegmina are not-

(1) Mesothoracic

(2) Forewings

(3) Cover hindwings at flight

(4) First pair of wings

Subtopic:  Cockroach: Structure of Thorax |
 70%
From NCERT
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