Which one of the following characteristic is incorrect with respect to cockroach?
1. In females, 7th - 9th sterna together form a genital pouch.
2. 10th abdominal segment in both sexes, bears a pair of anal cerci.
3. A ring of gastric caeca is present at the junction of midgut and hind gut.
4. Hypopharynx lies within the cavity enclosed by the mouth parts.

Subtopic:  Cockroach: Digestive System |
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Which of the following statements wrongly represents the nature of smooth muscle?

(1) Communication among the cells is performed by intercalated discs

(2) These muscles are present in the wall of blood vessels

(3) These muscle have no striations

(4) They are involuntary muscles

Subtopic:  Cardiac Muscle & Smooth Muscle |
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Following are the statements about prostomium of earthworm.

(a) It serves as a covering for mouth.

(b) It helps to open cracks in the soil into which it can crawl.

(c) It is one of the sensory structures.

(d) It is the first body segment.

Choose the correct answer from the options given below.

1. (a), (b), (c) and (d) are correct

2. (b) and (c) are correct

3. (a), (b) and (c) are correct

4. (a), (b) and (d) are correct

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Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.

1. Adhering junctions and Tight junctions, respectively.

2. Adhering junctions and Gap junctions, respectively.

3. Gap junctions and Adhering junctions, respectively.

4. Tight junctions and Gap junctions, respectively.

Subtopic:  Glandular Epithelium & Cell Junction |
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Cuboidal epithelium with brush border of microvilli is found in :

1. Ducts of salivary glands

2. Proximal convoluted tubule of nephron 

3. Eustachian tube

4. Lining of intestine

Subtopic:  Compound & Specialised Epithelium |
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Goblet cells of alimentary canal are modified from:

1. Columnar epithelial cells

2. Chondrocytes

3. Compound epithelial cells

4. Squamous epithelial cells

Subtopic:  Compound & Specialised Epithelium |
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If the head of cockroach is removed, it may live for few days because:

1. The cockroach does not have 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 1/3rd of a 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

Subtopic:  Cockroach: Head & Mouth Parts |
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In cockroach, identify the parts of the foregut in correct sequence:-

1. Mouth Oesophagus Pharynx Crop Gizzard

2. Mouth Crop Pharynx Oesophagus Gizzard

3. Mouth Gizzard Crop Pharynx Oesophagus

4. Mouth Pharynx Oesophagus Crop Gizzard

Subtopic:  Cockroach: Digestive System |
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Match the following columns with reference to cockroach and select the correct option :        

  Column - I Column - II
(a) Grinding of          (i) Hepatic caeca the food particles
(b) Secrete gastric      (ii) 10th segment juice
(c) 10 pairs   (iii) Proventriculus
(d) Anal cerci (iv) Spiracles
(v)  Alary muscles

                               
1. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
2. (a)-(iv), (b)-(iii), (c)-(v), (d)-(ii)
3. (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
4. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)

Subtopic:  Cockroach: Digestive System | Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
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Select the incorrectly matched pair from the following:

1. Chondrocytes - Smooth muscle cells

2. Neurons - Nerve cells

3. Fibroblast - Areolar tissue

4. Osteocytes - Bone cells

Subtopic:  Connective Tissue |
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