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प्रश्न
How many times do nymphs moult to reach the adult form of cockroach?
उत्तर
A nymph requires to moult 13 times to reach the adult cockroach form.
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संबंधित प्रश्न
Mention the function of the following - Malpighian tubules
The male reproductive organs of cockroach include
Which of the following characteristics is incorrect with respect to cockroaches?
Match the following with reference to cockroach and choose the correct option
| Column I | Column II |
| A. Phallomere | i. Chain of developing ova |
| B. Gonopore | ii. Bundles of sperm |
| C. Spermatophore | iii. Opening of the ejaculatory duct |
| D. Ovarioles | iv. The external genitalia |
Structural organisation in animals attains different levels as cell - organ - organ system. What is missing in this chain? Mention the significance of such an organisation.
Complete the following statement:
Malpighian tubules help in removal of ______.
Complete the following statement:
Hind gut of cockroach is differentiated into ______.
Complete the following statement:
In cockroach blood vessels open into spaces called ______.
Mention special features of eye in Cockroach.
Explain the digestive system of Cockroach with the help of a labelled sketch.
