What external changes are visible after the last moult of a cockroach nymph?
What external changes are visible after the last moult of a cockroach nymph?
- [NEET 2013]
- A
Both forewings and hindwings develop
- B
Labium develops
- C
Mandibles become harder
- D
Anal cerci develop
Similar Questions
Which of the following happens in the common cockroach?
Which of the following happens in the common cockroach?
- [AIPMT 2011]
The sensory papillae in frogs are associated with
The sensory papillae in frogs are associated with
It does not take part in excretion in cockroach
It does not take part in excretion in cockroach
Cescribe the Respiratory cavities of cockroach.
Cescribe the Respiratory cavities of cockroach.
Which of the following statement(s) is/are correct regarding respiratory system of cockroach ?
($i$) It consists of a network of trachea, that open through $12$ pairs of small holes called spiracles present on the lateral side of the body.
($ii$) Thin branching tubes carry oxygen from the air to all the parts.
($iii$) The opening of the spiracles is regulated by sphincters.
($iv$) Exchange of gases take place at the tracheoles by diffusion.
Which of the following statement(s) is/are correct regarding respiratory system of cockroach ?
($i$) It consists of a network of trachea, that open through $12$ pairs of small holes called spiracles present on the lateral side of the body.
($ii$) Thin branching tubes carry oxygen from the air to all the parts.
($iii$) The opening of the spiracles is regulated by sphincters.
($iv$) Exchange of gases take place at the tracheoles by diffusion.