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

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

Visual units that compose the compound eyes of 

insects are called

Brood or genital pouch in female cockroach is 

made by 

1. $8^{\mathrm{th}}<mspace\; width="1em"></mspace>,9^{\mathrm{th}}<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>{10}^{\mathrm{th}}$ tergum

2. $7^{\mathrm{th}}$ saternum only

3. $7^{\mathrm{th}}$ , $8^{\mathrm{th}}<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>9^{\mathrm{th}}$ sternum

4. $7^{\mathrm{th}}$ sternum, $8^{\mathrm{th}}<mspace\; width="1em"></mspace>\mathrm{and}<mspace\; width="1em"></mspace>9^{\mathrm{th}}$ tergum 

Match the following with respect to cockroach

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) 

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 

Mark the correct statement with respect to cockroach

Following is the diagram of mouth parts of cockroach

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

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