Q. No.Compared to those of humans, the erythrocytes in frogs are:
| 1. | Without nucleus but with haemoglobin |
| 2. | Nucleated and with haemoglobin |
| 3. | Very much smaller and fewer |
| 4. | Nucleated and without haemoglobin |
| 1. | the typhlosole greatly increases the effective absorption area of the digested food in the intestine |
| 2. | the S-shaped setae embedded in the integument are the defensive weapons used against the enemies |
| 3. | it has a long dorsal tubular heart |
| 4. | fertilization of eggs occurs inside the body |
1. bronchioles and fallopian tubes
2. bile duct and oesophagus
3. fallopian tubes and urethra
4. eustachian tube and stomach lining
The kind of epithelium which forms the inner walls of blood vessels is:
1. cuboidal epithelium
2. columnar epithelium
3. ciliated columnar epithelium
4. squamous epithelium
The epithelial tissue present on the inner surface of bronchioles and fallopian tubes is:
1. cuboidal
2. glandular
3. ciliated
4. squamous
Which one of the following is the correct pairing of a body part and the kind of muscle tissue that moves it?
| 1. | Heart wall- Involuntary unstriated muscle |
| 2. | Biceps of the upper arm- Smooth muscle fibers |
| 3. | Abdominal wall- Smooth muscle |
| 4. | Iris- Involuntary smooth muscle |
If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is:
1. excretory fluid
2. coelomic fluid
3. haemolymph
4. slimy mucus
The cell junctions called tight, adhering and gap junctions are found in:
1. muscular tissue
2. connective tissue
3. epithelial tissue
4. neural tissue
The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in:
1. Vertebrae
2. Nails
3. Ear ossicle
4. tip of the nose
1. coelomic fluid
2. blood
3. gut peristalsis
4. setae
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