Identify the incorrect statement:

1. In both male and female cockroach, 8th and 9th tergites are mostly covered by the 7th

2. Ventrally, the abdomen in cockroach has only 9 sternites  in males and 7 in females

3. In female cockroach, the 7th sternite along with 8th and 9th forms gynatrium

4. the anterior most part of the gynatrium is called the oothecal chamber

 

Subtopic:  Cockroach: Female Reproductive System (OLD NCERT) |
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What is incorrect regarding Periplaneta americana?

1. Excretion by malpighian tubules

2. Hemolymph delivering oxygen to tissues

3. Paurometabolous development

4. Mosaic vision

Subtopic:  Cockroach: Circulatory System (OLD NCERT) |
 70%
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The type of cartilage present in the epiglottis, pinna and tip of the nose is:

(1) Elastic

(2) Hyaline

(3) Fibrous

(4) Calcified

Subtopic:  Connective Tissue |
 57%
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Which of the following does not help in excretion in Periplaneta Americana?

1. Fat body

2. Urecose glands

3. Nephrocytes

4. None of these

Subtopic:  Cockroach: Excretory System (OLD NCERT) |
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Dense irregular connective tissue is present in:

1. Tendons

2. Ligaments

3. Skin

4. Cartilage

Subtopic:  Connective Tissue |
 69%
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The most abundant and widely distributed tissue in the bodies of complex animals is:

1. Epithelium

2. Connective

3. Muscular

4. Neural

Subtopic:  Connective Tissue |
 74%
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The mouth part of the cockroach shown in the given diagram acts as a/an:

1. Upper lip

2. Tongue

3. Lower lip

4. Uvula

Subtopic:  Cockroach: Head & Mouth Parts (OLD NCERT) |
 56%
From NCERT
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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 (OLD NCERT) | Cockroach: Female Reproductive System (OLD NCERT) |
 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 (OLD NCERT) |
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