- 1(current)
Q. No.Which of the following will be true for Periplaneta americana?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | Nocturnal omnivores |
| II: | Serious pests and vectors of several diseases |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Cockroach: Intro & External Morphology |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In Periplaneta americana:
| I: | Flat extension of the upper body wall conceals head. |
| II: | Wings extend beyond the tip of the abdomen in females. |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Cockroach: Intro & External Morphology |
55%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In cockroach:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The head capsule bears a pair of compound eyes. |
| II: | A pair of antennae arise from the membranous sockets lying in front of the eyes. |
| III: | Mouth parts are biting and chewing type. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Cockroach: Intro & External Morphology | Cockroach: Head & Mouth Parts |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In cockroach:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The abdomen in both males and females has ten segments. |
| II: | In females, the seventh sternum is boat shaped and together with eighth and ninth sterna forms a brood or genital pouch. |
| III: | In males, genital pouch of chamber is bounded dorsally by ninth and tenth terga and ventrally by ninth sternum. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Cockroach: Intro & External Morphology |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which one of the followings statements is true for cockroach?
| 1. | The numbers of ovarioles in each ovary are ten. |
| 2. | The larval stage is called caterpillar. |
| 3. | Anal styles are absent in females. |
| 4. | They are ureotelic. |
Subtopic: Cockroach: Intro & External Morphology |
84%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.