Q. No.Given below is a diagrammatic representation of alimentary canal of cockroach.
Choose the option which is not correct with respect to the function of labelled structure A, B, C and D
1.
Oesophagus opens into a sac like structure labelled as A used for storing of food.
2.
B helps in grinding of food because it have an outer thick cuticular layer and inner muscular layer.
3.
C is present at the junction of foregut and midgut and secretes digestive juice.
4.
D helps in removal of excretory product from haemolymph.
The respiratory system of cockroach consists of a network of trachea, that opens through _____(A)____ of small holes called ___(B)___ present on ___(C)____ side of body
Choose the option which correctly fills the blanks labelled as A, B and C
| Blank A | Blank B | Blank C | |
| 1. | 10 pairs | Spiracles | Dorsal |
| 2. | 8 pairs | Stigmata | Lateral |
| 3. | 10 pairs | Spiracles | Lateral |
| 4. | 8 pairs | Spiracles | Ventral |
Brush bordered cuboidal epithelium is present in
1. Proximal convoluted tubules
2. Small intestine
3. Lining of stomach
4. Smaller ducts of pancreas
Which of the following statements is incorrect w.rt. cockroach?
| 1. | In both sexes, the 10th segment of abdomen bears a pair of jointed filamentous structures called anal cerci. |
| 2. | Hind wings are transparent and are used in flight. |
| 3. | Gizzard has inner layer of thick circular muscles and thick outer layer of cuticle which forms six chitinous plates called teeth. |
| 4. | Haemolymph is composed of colourless plasma and haemocytes. |
Coordination, homeostasis and response to stimuli is the function of
| 1. | Epithelial tissue |
| 2. | Muscular tissue |
| 3. | Connective tissue |
| 4. | Nervous tissue |
This epithelial tissue is found in ducts of glands and tubular parts of nephrons in kidneys. Its main functions are secretion and absorption. choose the correct option
| 1. | simple epithelium |
| 2. | Simple cuboidal epithelium |
| 3. | Simple columnar epithelium |
| 4. | Ciliated epithelium |
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 |
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 |
Following is the diagram of different types of muscle tissue
Select the option which is correct identification of muscle tissue and its location
| A | B | C | |
| 1. | Cardiac muscle in heart | Smooth muscle in wall of blood vessels | Skeletal muscle in arm |
| 2. | Skeletal muscle in arm | Smooth muscle in thigh | Cardiac muscle in heart |
| 3. | Skeletal muscle in thigh | Smooth muscle in wall of stomach | Cardiac muscle in heart |
| 4. | Cardiac muscle in heart | Smooth muscle in thigh | Skeletal muscle in arm |
Which structure is not related with respiration in frog?
1. Lungs
2. Skin
3. Buccal cavity
4. Diaphragm
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