The triangular head of cockroach is made by fusion of how many segments :

(1) Three

(2) Five

(3) Nine

(4) Six

Label A, B, C, D and E in the following figure :-

(1) Labium, mandible, hypopharynx, maxilla, labrum

(2) Labrum, hypopharynx, maxilla, mandible, labium

(3) Labrum, mandible, hypopharynx, maxilla, labium

(4) Labium, maxilla, hypopharynx, labium, mandible

Which mouth part of cockroach has grinding and incising part ?

(1) Mandible

(2) Labium

(3) Mandible and maxilla

(4) Hypopharynx

Which among the following statements with respect to forewings of cockroach is incorrect?

(1) They are called as tegmina.

(2) They are opaque, leathery and dark.

(3) They arise from prothorax.

(4) They cover hindwings when at rest.

Which among the following statements are incorrect about cockroach?

(1) Haemocytes lack respiratory pigment.

(2) Has 13 chambered heart on the ventral side of the body.

(3) Blood from sinuses enter heart through ostia.

(4) Has 10 pairs of spiracles present on lateral side of body.

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.

Malpighian tubules of cockroach are lined by which of the following cells ?

(1) Epithelial cells

(2) Ciliated cells

(3) Ciliated and glandular cells

(4) Epithelial and glandular cells

Complete the following sentence by choosing the appropriate option:

Digestive juice in cockroach is secreted by a ring of blind tubules which are ______ in number.

(1) 100-150

(2) 9-10

(3) 6-8

(4) 15-20

Which among the following statements are incorrect with respect to cockroach ?

(1) It has mosaic vision with high sensitivity and less resolution.

(2) Salivary reservoir has eight highly chitinous plates called as teeth.

(3) Tracheoles carry oxygen from air to all other body parts.

(4) Blood is devoid of respiratory pigment.

Find the mismatched pair :

(1) Anal style- sexual dimorphism

(2) Spermatheca- accessory reproductive gland

(3) Malpighian tubules- removal of nitrogenous waste

(4) Supra-oesophageal ganglion- supply nerves to antennae and compound eye