Q. No.If the head of cockroach is removed, it may live for few days because:
1.
The cockroach does not have a nervous system.
2.
The head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body.
3.
The head holds a third of the nervous system while the rest is situated along the dorsal part of its body.
4.
The supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.
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 |
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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 |
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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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To which one of the following categories does adipose tissue belong?
| 1. | Epithelial | 2. | Connective |
| 3. | Muscular | 4. | Neural |
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Which one of the following types of cell is involved in making of the inner walls of large blood vessels?
1. Cuboidal epithelium
2. Columnar epithelium
3. Squamous epithelium
4. Stratified epithelium
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Which of the following is not a part of female cockroach reproductive system?
1. Oviduct
2. Spermathecae
3. Seminal vesicles
4. Ovarioles
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Which of the following is not a part of male cockroach reproductive system?
1. Phallic gland
2. Collaterial gland
3. Mushroom gland
4. Phallomeres
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Ommatidia are:
1. simple eyes of cockroach
2. compound eyes of cockroach
3. subunits of compound eyes in cockroach
4. subunits of simple eyes in cockroach
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Anal cerci in Periplaneta americana:
| 1. | are present in the 9th segment in both sexes |
| 2. | are present only in males |
| 3. | are present in the 10th segment in both sexes |
| 4. | are present only in females |
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