A marine cartilaginous fish that can produce electric current is:
1. Pristis
2. Torpedo
3. Trygon
4. Scoliodon
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
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
In the 'S' phase of the cell cycle:
1. amount of DNA doubles in each cell.
2. amount of DNA remains the same in each cell
3. chromosome number is increased
4. amount of DNA is reduced to half in each cell.
The motile bacteria are able to move by:
1. fimbriae
2. flagella
3. cilia
4. pili
Select the option which is not correct with respect to enzyme action:
1. | Substrate binds with the enzyme at its active site. |
2. | Addition of a lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate |
3. | A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate |
4. | Malonate is a competitive inhibitor of succinic dehydrogenase |
Which one of the following is a non-reducing carbohydrate?
1. Maltose
2. Sucrose
3. Lactose
4. Ribose 5-phosphate
The enzyme recombinase is required at which stage of meiosis:
1. Pachytene
2. Zygotene
3. Diplotene
4. Diakinesis
The initial step in the digestion of milk in an infant is carried out by:
1. Lipase | 2. Trypsin |
3. Rennin | 4. Pepsin |
Fructose is absorbed into the blood through mucosa cells of intestine by the process called:
1. Active transport
2. Facilitated transport
3. Simple diffusion
4. Co-transport mechanism