Q. No.In Periplaneta americana:
1.
malpighian tubules do not play any role in osmoregulation
2.
blood vascular system does not deliver oxygen to the tissues
3.
mosaic vision does not have high sensitivity
4.
the nymph does not grow by moulting
The main function of adipose tissue is
| 1. | providing insulation from heat and cold |
| 2. | providing protective padding around organs |
| 3. | to be a reserve of lipids |
| 4. | providing feedback for hunger and diet to the brain |
Presence of intercalated discs help cardiac muscles to act as a functional syncytium. This is possible because the structure of these discs have:
| 1. | Tight junctions | 2. | Gap junctions |
| 3. | Adhering junctions | 4. | Plasmodesmata |
Which of the following mouth parts of cockroach are paired?
| 1. | Labrum | 2. | Labium |
| 3. | Hypopharynx | 4. | Maxilla |
Anal styles are borne on the:
| 1. | 9th segment only in female cockroach |
| 2. | 9th segment only in male cockroach |
| 3. | 10th segment only in female cockroach |
| 4. | 10th segment only in male cockroach |
In cockroach, a chitinous hard exoskeleton covers:
1. The head segment only
2. The head and the thorax segment only
3. The thorax and the abdomen only
4. The entire body
What are the structures labeled A, B, C and D respectively in the given diagram?
| 1. | Dendrites, Soma, Axon, Terminal nerve endings |
| 2. | Dendrites, Soma, Cyton, Terminal nerve endings |
| 3. | Terminal nerve endings, Soma, Axon, Dendrites |
| 4. | Terminal nerve endings, Soma, Perikaryon, Dendrites |
What are the structures labelled A, B, C and D respectively, in the given diagram?
| 1. | Mast cell, Fibroblast, Collagen, Macrophage |
| 2. | Mast cell, Dendritic cell, Collagen, Macrophage |
| 3. | Macrophage, Fibroblast, Elastin, Mast cell |
| 4. | Macrophage, Fibroblast, Collagen, Mast cell |
Tendons and ligaments are examples of:
| 1. | Loose connective tissue |
| 2. | Dense irregular connective tissue |
| 3. | Dense regular connective tissue |
| 4. | Specialized connective tissue |
The cell junctions in animal tissues that perform the function of cementing to keep neighbouring cells together are known as:
1. Tight junctions
2. Adhering junctions
3. Gap junctions
4. Desmosomes
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