The function of the gap junction is to?

1. Perform cementing to keep neighbouring cells together
2. Facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules
3. Separate two cells from each other
4. Stop substances from leaking across a tissue

Subtopic:  Glandular Epithelium & Cell Junction |
 93%
From NCERT
NEET - 2015
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The body cells in cockroaches discharge the nitrogenous waste in the hemolymph mainly in the form of?

1. Ammonia

2. Potassium urate

3. Urea

4. Calcium carbonate

Subtopic:  Cockroach: Excretory System |
 58%
NEET - 2015
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Erythropoiesis starts in:

1. kidney

2. liver

3. spleen

4. red bone marrow

Subtopic:  Connective Tissue |
 64%
From NCERT
NEET - 2015
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The terga,sterna and pleura of the cockroach body are joined by:

1. cementing glue
2. muscular tissue
3. arthrodial membrane
4. cartilage

Subtopic:  Cockroach: Intro & External Morphology |
 93%
From NCERT
NEET - 2015
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Choose the correctly matched pair:

1. Tendon-Specialized connective tissue

2. Adipose tissue-Dense connective tissue

3. Areolar tissue- Loose connective tissue

4. Cartilage- Loose connective tissue

Subtopic:  Connective Tissue |
 78%
From NCERT
AIPMT - 2014
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Choose the correctly matched pair:

1. Inner lining of salivary ducts- Ciliated epithelium

2. Moist surface of buccal cavity- Glandular epithelium

3. Tubular parts of nephrons- Cuboidal epithelium

4. Inner surface of bronchioles- Squamous epithelium

Subtopic:  Simple Epithelium |
 79%
From NCERT
AIPMT - 2014
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What external changes are visible after the last moult of a cockroach nymph?
1. Anal cerci develop
2. Both fore wings and hind wings develop
3. Labium develops
4. Mandibles become harder

Subtopic:  Cockroach: Female Reproductive System |
 88%
From NCERT
AIPMT - 2013
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Identify the tissue shown in the diagram and match with its characteristics and its location:
1. Smooth muscles, show branching, found in the walls of the heart 
2. Cardiac muscles, unbranched muscles, found in the walls of the heart 
3. Striated muscles, tapering at both ends attached to the bones of the ribs 
4. Skeletal muscle, shows striations and is closely attached to the bones of the limbs 
Subtopic:  Animal Tissue: Muscle Types & Skeletal Muscles |
 74%
From NCERT
NEET - 2013
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Select the correct option with respect to Cockroaches:
 
1. Malpighian tubules convert nitrogenous wastes into urea
2. Males bear short and styles not present in females
3. Nervous system comprises a dorsal nerve cord and ten pairs of ganglion
4. The fore wings are tegmina which are used in flight
Subtopic:  Cockroach: Structure of Thorax | Cockroach: Excretory System |
 75%
From NCERT
NEET - 2013
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Which one of the following is one of the paths followed by air/O2 during respiration in an adult male Periplaneta americana as it enters the animal body?
1. Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells
2. Mouth, bronchial tube, trachea, oxygen enters cells
3. Spiracles in prothorax, tracheoles, and trachea oxygen diffuses into cells
4. Hypopharynx, mouth, pharynx, trachea, tissues
Subtopic:  Cockroach: Respiratory System |
 64%
From NCERT
NEET - 2013
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