Q. No.The function of the gap junction is to
1. facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.
2. separate two cells from each other.
3. stop substance from leaking across a tissue.
4. performing cementing to keep neighbouring cells together.
1. facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.
2. separate two cells from each other.
3. stop substance from leaking across a tissue.
4. performing cementing to keep neighbouring cells together.
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Which of the following statements is correct regarding cockroach?
1. Compound eye is also called as ocellus
2. Spiracle helps in excretion
3. Phallomere is present in female cockroach
4. Ventral nerve cord
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Simple epithelium is a tissue in which the cells are
1. hardened and provide support to the organ
2. cemented directly to one another to form a single layer
3. continuously dividing to provide form to an organ
4. loosely connected to one another to form an irregular organ
The polysaccharide present in the matrix of a cartilage is known as
1. cartilagin
2. ossein
3. chondroitin
4. cassein
A piece of bone, such as femur of frog, if kept in dilute HCI for about a week will
| 1. assume black colour | 2. shrink in size |
| 3. turn flexible | 4. crack into pieces |
Which cartilage is present at the end of long bones?
| 1. Calcified cartilage | 2. Hyaline cartilage |
| 3. Elastic cartilage | 4. Fibrous cartilage |
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Which one of the following contains the largest quantity of extracellular material?
1. Myelinated nerve fibres
2. Striated muscle
3. Areolar tissue
4. Stratified epithelium
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Mast cells of connective tissue contain
1. vasopressin and relaxin
2. heparin and histamine
3. heparin and calcitonin
4. serotonin and melanin
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Which one of the following mammalian cells are not capable of metabolizing (aerobically) glucose to carbon dioxide?
| 1. White blood cells | 2. Unstriated muscle cells |
| 3. Liver cells | 4. Red blood cells |
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