Which of the following allows precise muscular movements?

Golden brown colour of diatoms is due to presence of__________?

A. Mycoxanthin, mucoxanthin and myxoxanthophylls
B. Alpha and beta carotenes and myxoxanthin
C. Fucoxanthin, diatoxanthin, diadinoxanthin
D. None of the above

Which one of these structures involved in replication of bacterial dna?A. chromosomes
B. pilli
C. plasmid
D. mesosome

 

Diatoms are found in__________?

A. Phytoplanktonic population
B. Freshwater lakes and ponds
C. Marine environment
D. All of the above

Based on molecular data euglenoids are thought to be closely related to___________?

A. Dinoflagellates
B. Zooflagellates
C. Protozoans
D. Algae

Mastication is carried out by__________?

A. Teeth
B. Tongue
C. Smooth muscles
D. All of these

“lubb” sound is produced due to___________________?

A. Opening of inlet valve
B. Closure of inlet valve
C. Opening of outlet valve
D. Closure of outlet valve