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प्रश्न
How many times do nymphs moult to reach the adult form of cockroach?
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उत्तर
A nymph requires to moult 13 times to reach the adult cockroach form.
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संबंधित प्रश्न
Answer in one word or one line
What is the position of ovaries in cockroach?
Draw a labelled diagram of alimentary canal of a cockroach
The male reproductive organs of cockroach include
Dorsally placed sclerites in cockroach are termed as :
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.
