Which type of animal tissue changes the diameter of a blood vessel?

(1) Epithelium

(2) Connective

(3) Muscle

(4) Neural

Subtopic:  Cardiac Muscle & Smooth Muscle |
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Match each item in Column I with one item in Column II regarding anatomy of cockroach and choose your answer from the codes given below :

 

Column I
(structure)

 

Column II
(abdominal segment)

I.

Testes

1.

2nd to 6th

II.

Ovaries

2.

4th to 6th

III.

Spermatheca

3.

6th

IV.

Mushroom gland

4.

6th-7th

 

 

I

II

III

IV

1.

1

2

3

4

2.

2

1

4

3

3.

2

1

3

4

4.

1

2

4

3

 

Subtopic:  Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
 65%
From NCERT
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The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of

(1) ammonia

(2) potassium urate

(3) urea

(4) calcium carbonate

Subtopic:  Cockroach: Excretory System |
NEET - 2015
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Select the correct route for the passage of sperms in the male frogs.

(1) Testis → Bidder's canal → Kidney → Vasa efferentia → Urinogenital duct → Cloaca

(2) Testis → Vasa efferentia → Kidney → Seminal Vesicle → Urinogenital duct → Cloaca

(3) Test → Vasa efferentia → Bidder's canal → Ureter → Cloaca

(4) Testis → Vasa efferentia → Kidney → Bidder's canal → Urinogenital duct → Cloaca

Subtopic:  Frogs: Anatomy (Male Reproductive System) |
From NCERT
NEET - 2017
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Frog's heart when taken out of the body continues to beat for sometime.

Select the best option from the following statements.

I. Frog is a poikilotherm.

II. Frog does not have any coronary circulation.

III. Heart is "myogenic" in nature.

IV. Heart is autoexcitable.

(1) Only III

(2) Only IV

(3) I and II

(4) III and IV

 58%
NEET - 2017
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In male cockroaches,  sperms are stored in which part of the reproductive system?

(1) Seminal vesicles

(2) Mushroom glands

(3) Testes

(4) Vas deferens

Subtopic:  Cockroach:Male Reproductive System |
 71%
From NCERT
NEET - 2016
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Smooth muscles are 

(1) involuntary, fusiform, non-striated

(2) voluntary, multinucleate, cylindrical

(3) involuntary, cylindrical, striated

(4) voluntary, spindle-shaped, uninucleate

Subtopic:  Cardiac Muscle & Smooth Muscle |
 86%
From NCERT
NEET - 2016
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Which of the following features is not present in Periplaneta americana?

(1) Indeterminate and radial cleavage during embryonic development

(2) Exoskeleton composed of N-acetylglucosamine

(3) Metamerically segmented body

(4) Schizocoelom as body cavity

Subtopic:  Cockroach: Intro & External Morphology |
NEET - 2016
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The function of the gap junction is to 

1. performing cementing to keep neighbouring cells together

2. faciliate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules

3. seperate two cells from each other

4. stop substance from leaking across a tissue

Subtopic:  Glandular Epithelium & Cell Junction |
 89%
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NEET - 2015
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The terga sterna and pleura of cockroach body are joined by

1. cementing glue

2. muscular issue

3. arthrodial membrane

4. cartilage

Subtopic:  Cockroach: Intro & External Morphology |
 90%
From NCERT
NEET - 2015
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