Question

Which of the following statement defines the characteristics of class Mastigophora?

• A. They have more than one flagella
• B. They have a parabasal body
• C. It has a nucleus known as trophonucleus
• D. All of the above

Answer 1

The correct option is D All of the above

1. Class Mastigophora usually consists of single-celled protozoans and the possession of flagella is a chief characteristic.
2. Having more than one flagella is the characteristic of class Mastigophora.
3. Parabasal body in certain flagellates is a small granular mass located close to blepharoplast ( a cylindrical basal body connected to axial filaments of flagella or cilia)
4. They have 2 dissimilar nuclei, the principal nucleus is trophonucleus which regulates metabolism and trophi activities, the second one kinetonucleus controls locomotory organelles.