Mark the statement that is incorrect for central nervous system of cockroach

(1) In the head region, the brain is represented by Supraesophageal ganglia which supply nerves to antennae and compound eyes

(2) If the head of the cockroach is cut off, it will die immediately as the head holds a large part of the nervous system

(3) The sub oesophageal ganglion supplies nerves to labium, maxilla and mandibles

(4) Double ventral nerve cord of cockroach contains three thoracic and six abdominal ganglia

Match the following

 Column - I                                                     Column - II

a. Squamous epithelium               (i) Protection against chemical and mechanical stresses

b. Cuboidal epithelium                  (ii) Movement of particle in a specific direction

c. Compound epithelium                  (iii) Formation of diffusion boundary

d. Ciliated epithelium                     (iv) Secretion and absorption

1. a(i), b(iv), c(ii), d(iii)

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

3. a(ii), b(i), c(iii), d(iv)

4. a(iv), b(i), c(iii), d(ii)

Following are four statements A to D. Choose the option which includes a set of correct statements

A. In Periplaneta, males bear a pair of short, thread like anal styles which are absent in
females

B. In both sexes of Periplaneta, the 10th segment bears a pair of jointed filamentous structures called anal cerci

C. In cockroach mesothoracic wings (fore wings) are transparent, membranous and are used in flight

D. In female cockroach, there is a pair of mushroom glands

Options:

(1) A & C

(2) B & C

(3) A & B

(4) C & D

Which of the following provides structural and functional link between the individual cells in epithelial tissues?

Which of the following is mismatched?

Consider the following statements A, B, C & D with certain blanks. Find the option which correctly fills up these blanks

A. The ootheca of cockroach is about __(i)____ long.

B. The development of P americana is  ___(ii)___, meaning there is development through ___(iii)____ stage.

C. In the head region of cockroach, the brain is represented by ___(iv)___ ganglion, which supplies nerves to antennae and ____(v)___.

D. The respiratory system of cockroach consists of a network of trachea, that opens through ____(vi)____ of small holes called spiracles present on the ____(vii)____ side of the body.

(1) A - (i) 3 mm

     B - (ii) Paurometabolous

           (iii) Nymphal

     C - (iv) Supra-oesophageal

           (v) compound eyes

(2) B-(ii) Paurometabolous

     C-(iv) Supra-oesophageal

         (v) wings

     D -(vi) 10 pairs

          (vii) Lateral

(3) A - (i) 8 mm

     C - (iv) Sub-oesophageal

            (v) Compound eyes

     D - (vi) 10 pairs

          (vii) Dorsal

(4) A - (i) 8 mm

     B - (ii) Paurometabolous

          (iii) Nymphal

C - (iv) Supra-oesophageal

           (v) compound eyes

     D - (vi) 10 pairs

           (vii) Lateral

Given below is a diagrammatic representation of a glandular tissue

Identify the structure labelled as 'A' and choose the correct option with respect to its example.

(1) Gastric gland

(2) Goblet cells

(3) Oxyntic cells

(4) Sebaceous gland

Which of the following is not a correct statement for neuroglial cell?

1. Neuroglial cells make up more than one half the volume of neural tissue in our body

2.  It protects and supports the neurons

3. When this cell is suitably stimulated, an electrical disturbance is generated which swiftly travels along its plasma membrane

4. All the above options are correct

Brush bordered cuboidal epithelium is present in

1. Proximal convoluted tubules

2. Small intestine

3. Lining of stomach

4. Smaller ducts of pancreas

Coordination, homeostasis and response to stimuli is the function of

(1) Epithelial tissue

(2) Muscular tissue

(3) Connective tissue

(4) Nervous tissue