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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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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Select the correct sequence of organs in the ailmentary canal of cockroach starting from mouth:

1. PharynxOesophagusIleumCropGizzardColonRectum

2. PharynxOesophagusCropGizzardIleumColonRectum

3. PharynxOesophagusGizzardCropIleumColonRectum

4. PharynxOesophagusGizzardIleumCropColonRectum

Subtopic:  Cockroach: Structure of Thorax | Cockroach: Abdomen |
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Match the following cell structure with its characteristic feature :

a. Tight junctions               (i) Cement neighbouring cells together to form sheet

b. Adhering junctions         (ii) Transmit information through chemicals to another cells

c. Gap junctions                (iii) Establish a barrier to prevent leakage of fluid across epithelial cells

d. Synaptic junctions         (iv) Cytoplasmic channels to facilitate communication between adjacent cells

Select correct option from the following :
1. (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
2. (a)-(iv), (b )-(ii), (c)-(i), (d)-(iii)
3. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
4. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)

Subtopic:  Glandular Epithelium & Cell Junction |
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Which of the following feature is used to identify a male cockroach from a female cockroach?
1. Presence of a boat shaped sternum on the 9th abdominal segment
2. Presence of caudal styles
3. Forewings with darker tegmina
4. Presence of anal cerci

Subtopic:  Cockroach: Intro & External Morphology |
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Select the correct route for the passage of sperms in male frogs:
1. Testes → Vasa efferentia → Kidney → Seminal Vesicle→ Urinogenital duct → Cloaca
2. Testes → Vasa efferentia → Bidder's canal → Uretar→ Cloaca
3. Testes → Vasa efferentia → Kidney → Bidder's canal → Urinogenital duct → Cloaca
4. Testes → Bidder's canal→ Kidney→ Vasa efferentia→ Urinogenital duct→ Cloaca

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In male cockroaches, sperms are stored in which part of the reproductive system?

1.  Seminal vesicles

2.  Mushroom glands

3.  Testes

4.  Vas deferens

Subtopic:  Cockroach:Male Reproductive System |
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Smooth muscles are

1.  involuntary, fusiform, non-striated

2.  voluntary, multinucleate, cylindrical

3.  involuntary, cylindrical, striated

4.  voluntary, spindle-shaped, uninucleate

Subtopic:  Cardiac Muscle & Smooth Muscle |
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