MCQs of Biology – Respiratory system

The respiratory system in the body of cockroach consists of:

One common feature of tracheae of cockroach and trachea of rabbit is that both:

In cockroach ,O2 is carried with air to various tissues by:

Oxygen in cockroach is transported by:

In cockroach, the cuticular lining of trachea is called:

How many pairs of spiracles are present in Periplaneta Americana?

Number of spiracles in cockroach is:

Atrium of Periplaneta is a:

Peritreme in cockroach is:

Haemoglobin- containing red blood is absent in:

Oxygen carrying respiratory pigment of cockroach and other insects is:

Blood does not transport oxygen in:

The blood of cockroach contains no respiratory pigment, it means that:

Which of the following is wrong?