Where in a shoulder joint are osteocytes found?
1. muscle tissue
2. ligament
3. cartilage
4. bone tissue
Which of the following statements is INCORRECT?
1. | Cockroaches exhibit mosaic vision with less sensitivity and more resolution |
2. | A mushroom-shaped gland is present in the 6th-7th abdominal segments of male |
3. | A pair of spermatheca is present in the 6th segment of female cockroach |
4. | Female cockroach possesses sixteen ovarioles in the ovaries |
If the head of the cockroach is removed, it may live for a few days because:
1. | The cockroach does not have a nervous system |
2. | The head holds a small proportion of the nervous system while the rest is situated along the ventral part of its body |
3. | The head holds 1/3rd of the 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 |
Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:
1. | Pharynx → Oesophagus → Ileum → Crop → Gizzard → Colon → Rectum |
2. | Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum |
3. | Pharynx → Oesophagus → Gizzard → Crop → Ileum → Colon → Rectum |
4. | Pharynx → Oesophagus → Gizzard → Ileum → Crop → Colon → Rectum |
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
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
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 |
1. | Indeterminate and radial cleavage during embryonic development |
2. | Exoskeleton composed of N-acetylglucosamine |
3. | Metamerically segmented body |
4. | -Schizocoelom as body cavity |
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 |
In male cockroaches, sperms are stored in which part of the reproductive system?
1. Seminal vesicles
2. Mushroom glands
3. Testes
4. Vas deferens