Which of the following statement is incorrect with respect to cockroach?

1. The exoskeleton of each segment consists of four plate-like pieces called sclerites

2. Labium bears tactile and gustatory sensory setae

3. In cockroach, malpighian tubules, fat bodies, nephrocytes, cuticle, and uricose glands (in some species) Helps in excretion

4. Internally mesenteron is lined by cuticle and covered by a very thin and transparent peritrophic membrane

Anal cerci are paired, jointed outgrowth found in cockroach. These arise from

1. $9^{th}$ sternum

2. ${10}^{th}$ tergum

3. $9^{th}$ tergum

4. $8^{th}$ tergum

Which of the following is correct with respect to cockroach?

a. Internally mesenteron is lined with cuticle

b. In abdomen eight pair of spiracles are present

c. All sperms of seminal vesicle are glued together into spermatophore

d. Malphigian tubules are present at the junction of midgut and hindgut

1. a, b & c

2. a & b

3. b & d

4. b, c & d

Mark the incorrect statement with respect to head of cockroach

(1) Head is triangular in shape and lies anteriorly at right angle to the longitudinal body axis

(2) Formed by fusion by six segments and shown great mobility in all directions due to flexible neck

(3) First basal podomere of antennae is smallest and is called pedicel which articulates with antennae socket

(4) On each lateral side it bears a large and blackish compound eye

On an average female cockroach produce ________ oothecae, each containing ________ eggs.

(1) 9-10, 14-16

(2) 14-16, 9-10

(3) 2-4, 10-12

(4) 6-8, 8-10

Tegmina arises from

(1) Prothorax

(2) Mesothorax

(3) Metathorax

(4) Neck region between head and thorax

Which of the following statement is correct with reference to the cockroach eye?

1. Both eyes together consist of about 2000 hexagonal ommatidia

2. Its vision has more sensitivity but less resolution

3. Mosaic vision is not found due to diurnal habit

4. Compound eyes are situated at the vertex region of the head

Which of the following statement is incorrect with respect to cockroach?

(1) Head of cockroach is hypognathous and is formed by the fusion of six segments

(2) A pair of wings which arise from mesothorax are thick and leathery

(3) Body of cockroach is covered with a thick, hard, chitinous cuticle

(4) The $9^{th}$ segment of male and female cockroach bear anal style

Which of the following statement is not true with respect to Periplaneta?

(1) The gizzard part of alimentary canal has an outer layer of thick longitudinal muscles and inner thin cuticle forming six highly chitinous plates called teeth

(2) The hindgut is broader than midgut and is differentiated into ileum, colon and rectum

(3) If the head of cockroach is cut off, it will still live for as long as one week

(4) Each Malpighian tubule is lined by glandular and ciliated cells. These are located at the junction between midgut and hindgut

Mark the Incorrect statement

(1) Malpighian tubules of cockroach help in excretion

(2) Fat bodies of cockroach do not help in excretion

(3) Nephrocytes help in excretion

(4) Cockroach has 13 chambered tubular and dorsal heart