What is incorrect regarding Periplaneta americana?

1. Excretion by malpighian tubules

2. Hemolymph delivering oxygen to tissues

3. Paurometabolous development

4. Mosaic vision

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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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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

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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) |
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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

II. Ovaries

III. Spermatheca

IV. Mushroom gland 

1. 2nd to 6th

2. 4th to 6th

3. 6th

4. 6th - 7th

Codes:

                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: Abdomen (OLD NCERT) |
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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 (OLD NCERT) |
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From NCERT
NEET - 2016
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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 (OLD NCERT) |
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What external changes are visible after the last moult of a cockroach nymph?

1.  Mandible become harder

2.  Anal cerci develop

3.  Both fore wings and hind wings develop

4.  Labium develops

Subtopic:  Cockroach: Female Reproductive System (OLD NCERT) |
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Select the correct statement from the ones given below with respect to Periplaneta americana.

(1) Nervous system dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives

(2) Males bear a pair of short thread like anal styles

(3) There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut

(4) Grinding of food is carried out only by the mouth parts

 

Subtopic:  Cockroach: Intro & External Morphology (OLD NCERT) |
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Which of the following is correctly states as it happens in the common cockroach?

(1) Oxygen is transported by haemoglobin in blood

(2) Nitrogenous excretory product is urea

(3) The food is ground by mandibles and gizzard

(4) malpighian tubules are excretory organs projecting out from the colon

Subtopic:  Cockroach: Head & Mouth Parts (OLD NCERT) |
 65%
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