Anal cerci in Periplaneta americana:

1. are present in the 9th segment in both sexes
2. are present only in males
3. are present in the 10th segment in both sexes
4. are present only in females

Subtopic:  Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
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In the given diagram of alimentary canal of cockroach, A,B, C and D respectively are:

  

1. Gizzard, Crop, Hepatic cecae and Malpighian tubules
2. Gizzard, Crop, Malpighian tubules and Hepatic cecae
3. Crop, Gizzard, Hepatic cecae and Malpighian tubules
4. Crop, Gizzard, Malpighian tubules and Hepatic cecae
Subtopic:  Cockroach: Digestive System |
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Identify the incorrect statement regarding the blood vascular system of Cockroach?
1. It is of open type and blood vessels open into haemocoel
2. The blood, called hemolymph does not have RBCs
3. The 13 chambered heart is located on the dorsal side
4. The blood in cockroach transports respiratory gases

Subtopic:  Cockroach: Respiratory System |
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Cockroach is uricotelic. Which of the following is not an excretory structure in cockroach?
1. Flame cells
2. Urecose glands
3. Fat body
4. Malpighian tubules

Subtopic:  Cockroach: Excretory System |
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If the head of the cockroach is cut off, it will:
1. still live as long as one week
2. still live as long as one month
3. regenerate its head completely
4. regenerate its head but not eyes

Subtopic:  Cockroach: Nervous System |
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Ommatidia are:
1. simple eyes of cockroach
2. compound eyes of cockroach
3. subunits of compound eyes in cockroach
4. subunits of simple eyes in cockroach

Subtopic:  Cockroach: Compound Eye |
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Which of the following is not a part of male cockroach reproductive system?
1. Phallic gland
2. Collaterial gland
3. Mushroom gland
4. Phallomeres

Subtopic:  Cockroach:Male Reproductive System |
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Which of the following is not a part of female cockroach reproductive system?
1. Oviduct
2. Spermathecae
3. Seminal vesicles
4. Ovarioles

Subtopic:  Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
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The fertilized eggs of cockroach are encased in capsules called:

1. Oothecae 2. Spermathecae
3. Spermatophores 4. Ovarioles
Subtopic:  Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
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Identify the incorrect statement regarding development in cockroach?
1. Development is holometabolous
2. The nymph moults about 13 times
3. The next to last nymphal stage has wing pads
4. Only adult cockroaches have wings

Subtopic:  Cockroach: Solved Examples |
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