Mark the correct statement with respect to cockroach

(1) Haemolymph is composed of colourless

     plasma and erythrocytes

(2) All the spiracles are always open in cockroach 

(3) Haemolymph enters heart through ostia and is

      pumped from posterior to anterior direction

(4) Haemolymph has no role in transportation of 

     nutrients and metabolic wastes

Following is diagrammatic representation of female

reproductive system of cockroach.

Find the right marking and function performed by

that part

(1) A $-$ Conglobate gland $-$ Converting of sperm

     B $-$ Spermatheca $-$ Storage of sperm

(2) A $-$ Phallomere $-$ Covering around egg

     B $-$ Titillator $-$ Opening of spermatophore

(3) A $-$ Vestibule $-$ Place to store fertilized eggs

     B $-$ Spermatophore $-$ Storage of sperms

(4) A $-$ Collaterial gland $-$ From the wall of ootheca 

     B $-$ Spermatheca $-$ Storage of sperms in female 

Match the following with respect to cockroach

   Column l                      Column ll

a. Ovaries                   (i) $4^{\mathrm{th}}- 6^{\mathrm{th}}$ segment    

b. MUshroom gland     (ii) $2^{\mathrm{nd}}- 6^{\mathrm{th}}$ segment

c. Testis                     (iii) ${14}^{\mathrm{th}}- {16}^{\mathrm{th}}$ segment

d. Ootheca number     (iv) $6^{\mathrm{th}}- 7^{\mathrm{th}} \mathrm{segment}$

                                 (v) 9 $-$ 10

(1) a(ii), b(iv), c(i), d(v)

(2) a(ii), b(iv), c(i), d(iii)

(3) a(i), b(iii), c(ii), d(v)

(4) a(iii), b(ii), c(i), d(iv) 

Brood or genital pouch in female cockroach is 

made by 

(1) $8^{\mathrm{th}} ,9^{\mathrm{th}} \mathrm{and} {10}^{\mathrm{th}}$ tergum

(2) $7^{\mathrm{th}}$ saternum only

(3) $7^{\mathrm{th}}$ , $8^{\mathrm{th}} \mathrm{and} 9^{\mathrm{th}}$ sternum

(4) $7^{\mathrm{th}}$ sternum, $8^{\mathrm{th}} \mathrm{and} 9^{\mathrm{th}}$ tergum 

Visual units that compose the compound eyes of 

insects are called

(1) Osphradia 

(2) Ommatidia

(3) Onchospheres

(4) Odontophore

The night vision of cockroach is 

(1) More sensitivity but less resolution

(2) Less sensitivity but more resolution 

(3) Both sensitivity and resolution are high

(4) Both sensitivity and resolution are low 

The following are excretory structures in cockroach,

except

(1) Nephrocytes

(2) Urecose glands

(3) Fat body 

(4) Conglobate gland

On an average female cockroach produces $\stackrel{}{\mathrm{\_A\_\_}}$

number of ootheca, each containing $\stackrel{}{\mathrm{\_B\_\_}}$ eggs.

wall of ootheca is made up of $\stackrel{}{\mathrm{\_C\_\_}}$ Secreted by 

$\stackrel{}{\mathrm{\_D\_\_}}$ glands

(1) A $-$ 9-10,

     B $-$ 14-16,

     C $-$  Scleroprotein,

     D $-$  Collateial

(2) A $-$  7-9,

     B $-$  9-10,

     C $-$ Chitin,

     D $-$  Collateial

(3) A $-$  9-10,

     B $-$  14-16

     C $-$  Cellulose

     D $-$  Conglobate

(4) A $-$  14-16,

     B $-$  9-10

     C $-$  Scleroprotein,

     D $-$  Phallic

Following is the diagram of mouth parts of cockroach

Which of the following labelled structures will help in grinding and chewing of food?

(1) A & D

(2) B & C

(3) A & C

(4) D & E

If the head of the cockroach is removed, it may live for a few days because: