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Periplaneta americana and Blatta orienta...

Periplaneta americana and Blatta orientalis differ mainly from each other in

A

body shape

B

wing length

C

length of antenna

D

life-history

Text Solution

Verified by Experts

The correct Answer is:
B
wing length
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AAKASH INSTITUTE ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-B)
  1. Earthworm is

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  2. Pharyngeal nephridia of Pheretima are found in segments

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  3. Periplaneta americana and Blatta orientalis differ mainly from each ot...

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  4. In cockroach, the body in spite of being covered by an exoskeleton of ...

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  5. Wings are vestigial in (a) Male Blatta (b) Female Blatta (c) Male ...

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  6. In cockroach, elytra are articulated to the tergiles of (a) Prothorax...

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  7. Which of the following affect the heat of reaction?

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  8. Position of head in relation to body axis of cockroach is known as (a)...

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  9. Endoskeletal structure present in the head is (a) Apodeme (b) Tentor...

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  10. Periplaneta has mosaic vision. Each ommatidium is composed of followin...

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  11. Which of the following is a wrong match in cockroach?

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  12. Movement of which muscles can alter the pericardial space in cockroach...

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  13. Number of segments in cockroach leg : (a) Five (b) Three (c) Six ...

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  14. The main function of blood vascular system in cockroach is (a) Distrib...

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  15. The correct sequence of arrangements of segments in the leg of cockroa...

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  16. Structure that helps the cockroach to walk on smooth surfaces is (a) T...

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  17. The number of spiracles in Periplaneta americana is

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  18. The function of stomodeal valve in the gut of the cockroach is to prev...

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  19. Which of the two parts in cockroach are fundamentally similar in struc...

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  20. Ootheca in periplanata americana is secreted by

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