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

Subtopic:  Cardiac Muscle & Smooth Muscle |
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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
Subtopic:  Nervous Tissue |
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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

Subtopic:  Connective Tissue |
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Cockroaches are:
1. Nocturnal carnivores
2. Nocturnal omnivores
3. Diurnal carnivores
4. Diurnal omnivores

Subtopic:  Cockroach: Head & Mouth Parts (OLD NCERT) |
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The dorsal sclerites in Periplaneta americana are called as:

1. Sternites 2. Tergites
3. Pleurites 4. Arthroidal membranes
Subtopic:  Cockroach: Head & Mouth Parts (OLD NCERT) | Cockroach: Structure of Thorax (OLD NCERT) |
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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

Subtopic:  Cockroach: Head & Mouth Parts (OLD NCERT) |
 70%
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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

Subtopic:  Cockroach:Male Reproductive System (OLD NCERT) | Cockroach: Female Reproductive System (OLD NCERT) |
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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

Subtopic:  Cockroach:Male Reproductive System (OLD NCERT) | Cockroach: Female Reproductive System (OLD NCERT) |
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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

Subtopic:  Cockroach: Digestive System (OLD NCERT) |
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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

Subtopic:  Cockroach: Respiratory System (OLD NCERT) |
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