The dorsal sclerites in Periplaneta americana are called as:

1. Sternites 2. Tergites
3. Pleurites 4. Arthroidal membranes
Subtopic:  Cockroach: Head & Mouth Parts (OLD NCERT) | Cockroach: Structure of Thorax (OLD NCERT) |
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Consider the given statements:
Statement I: Each thoracic segment in cockroach bears a pair of walking legs.
Statement II: The first pair of wings arises from prothorax and they are called as tegmina.
1. Only statement I is correct
2. Only statement II is correct
3. Both statement I and statement II are correct
4. Both statement I and statement II are incorrect
Subtopic:  Cockroach: Structure of Thorax (OLD NCERT) |
 76%
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Which of the following statements is incorrect?

1. Cockroaches exhibit mosaic vision with less sensitivity and more resolution

2. A mushroom-shaped gland is present in the 6th-7th abdominal segments of male

3. A pair of spermatheca is present in the 6th segment of female cockroach

4. Female cockroach possesses sixteen ovarioles in the ovaries

Subtopic:  Cockroach: Intro & External Morphology (OLD NCERT) | Cockroach: Structure of Thorax (OLD NCERT) | Cockroach: Abdomen (OLD NCERT) |
 76%
NEET - 2019
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