Which structure is not related with respiration in frog?
1. Lungs
2. Skin
3. Buccal cavity
4. Diaphragm
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 lI | ||
| a. | Ovaries | (i) | 4th - 6th segment |
| b. | MUshroom gland | (ii) | 2nd - 6th segment |
| c. | Testis | (iii) | 14th - 16th segment |
| d. | Ootheca number | (iv) | 6th - 7th 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. tergum
2. saternum only
3. , sternum
4. sternum, tergum
The epithelium that covers the dry surface of skin,
the moist surface of buccal cavity, pharynx, inner
lining of large ducts of salivary glands and of
pancreatic ducts is
| 1. | More stretchable |
| 2. | Involved in formation of a diffusion barrier |
| 3. | Found in the walls of blood vessels also |
| 4. | To provide protection against chemical also mechanical stresses |
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 |
Choose the correct option, pairing the principal cell with the tissue
| 1. | Mast cell | - | Adipose tissue |
| 2. | Fibroblasts | - | Areolar tissue |
| 3. | Macrophages | - | Tendon |
| 4. | Chondroclasts | - | Bone |
The following are excretory structures in cockroach, except
| 1. | Nephrocytes | 2. | Urecose glands |
| 3. | Fat body |
4. | Conglobate gland |