Which among the following is incorrect regarding the vision of cockroach?

(1) Compound eyes are located at dorsal surface of head.

(2) They have nocturnal type of vision.

(3) Each eye consists of 3000 malpighian tubules.

(4) Their vision is known as mosaic vision with more sensitivity but less resolution.

The type of vision in cockroach is:

(1) Nocturnal vision

(2) Superposition vision

(3) Dull vision

(4) Mosaic and nocturnal vision

Mosaic vision does not possess which character

Which of the following statements is INCORRECT?

Which mouth part of cockroach acts as upper lip?

1. Labium

2. Labrum

3. First maxilla

4. Hypopharynx