Which of the following features is not present in Periplaneta americana?
1. Metamerically segmented body
2. Schizocoelom as body cavity
3. Indeterminate and radial cleavage during embryonic development
4. Exoskeleton composed of N-acetylglucosamine
In male cockroaches, sperms are stored in which part of the reproductive system?
1. Vas deferens
2. Seminal vesicles
3. Mushroom glands
4. Testes
Smooth muscles are
1. voluntary, spindle-shaped, uninucleate
2. involuntary, fusiform, non-striated
3. voluntary, multinucleate, cylindrical
4. involuntary, cylindrical, striated
Identify the incorrectly matched pair:
Type of epithelium | Location | |
1. | Simple squamous | Blood vessels and alveoli |
2. | Simple cuboidal non brush bordered epithelium | Proximal convoluted tubule |
3. | Columnar epithelium | Stomach and small intestine |
4. | Ciliated epithelium | Bronchioles and fallopian tubes |
Unicellular glands located in the alimentary canal are called as:
1. | Paneth cells | 2. | Peyer’s patches |
3. | Goblet cells | 4. | Histiocytes |
What is the best description of an endocrine gland?
1. | They secrete mucus, saliva, ear wax and digestive enzymes |
2. | Their products are released through ducts or tubes |
3. | Unlike exocrine glands, they are not modified epithelium |
4. | Their secretions are secreted directly into the fluid bathing the gland |
What type of epithelial cell junctions facilitate the cells to communicate with each other?
1. Gap junctions
2. Adhering junctions
3. Tight junctions
4. Plasmodesmata
The cells in areolar loose connective tissue that can secrete histamine are:
1. | Fibroblasts | 2. | Macrophages |
3. | Mast cells | 4. | Basophils |
Tendons attach:
1. Skeletal muscle to bone
2. Bone to bone
3. Muscle to muscle
4. Smooth muscle to bone
The type of connective tissue present in skin is:
1. | Loose connective tissue |
2. | Dense irregular connective tissue |
3. | Dense regular connective tissue |
4. | Specialized connective tissue |