Q. No.Communication junctions found at some fusion points that allow the cardiac muscle cells to contract as a unit are called as:
1. Intercalated discs
2. Sarcolemma
3. Nodes of Ranvier
4. Motor end plates
1. Intercalated discs
2. Sarcolemma
3. Nodes of Ranvier
4. Motor end plates
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Apart from the neuron, the neural tissue in the body is also made up of:
| 1. | Neuroglial cells | 2. | Dendritic cells |
| 3. | Myoepithelium | 4. | CD4 cells |
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Elastic cartilage is found at all the following locations in human body except:
1. Epiglottis
2. Eustachian tube
3. Tip of nose
4. Pinna
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Cockroaches are:
1. Nocturnal carnivores
2. Nocturnal omnivores
3. Diurnal carnivores
4. Diurnal omnivores
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The dorsal sclerites in Periplaneta americana are called as:
| 1. | Sternites | 2. | Tergites |
| 3. | Pleurites | 4. | Arthroidal membranes |
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The tegmina in Periplaneta americana are:
| 1. | Mesothoracic forewings not used in flight |
| 2. | Mesothoracic forewings used in flight |
| 3. | Metathoracic hindwings not used in flight |
| 4. | Metathoracic hindwings used in flight |
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The genital pouch in the female cockroach does not have:
1. Gonopore
2. Phallomeres
3. Collateral glands opening
4. Spermethecal pores
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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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In the given diagram of alimentary canal of cockroach, A,B, C and D respectively are:
| 1. | Gizzard, Crop, Hepatic cecae and Malpighian tubules |
| 2. | Gizzard, Crop, Malpighian tubules and Hepatic cecae |
| 3. | Crop, Gizzard, Hepatic cecae and Malpighian tubules |
| 4. | Crop, Gizzard, Malpighian tubules and Hepatic cecae |
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Identify the incorrect statement regarding the blood vascular system of Cockroach?
1. It is of open type and blood vessels open into haemocoel
2. The blood, called hemolymph does not have RBCs
3. The 13 chambered heart is located on the dorsal side
4. The blood in cockroach transports respiratory gases
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