A. Valve
B. Raphe
C. Pseudopodium
D. Cilia or flagella
Related Mcqs:
- 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 - The organs of locomotion in annelids are__________?
A. Muscles
B. Hydrostatic skeleton
C. Parapodia
D. Setae - Which of the following statement is incorrect regarding the locomotion in Euglena?
A. Move with the help of flagellum, attached to the anterior pole of the body.
B. Flagellum whipping backwards moving the organism forward, and when moves forward the organism moves backward.
C. Myonemes can change the direction of the body by making it to shorten from anterior to the posterior pole.
D. None of these - Among the following organisms which shows the best adaptations for locomotion?
A. Amoeba.
B. Earthworm.
C. Reptiles
D. Amphibians. - Which of the following is the swiftest form of the locomotion?
A. Plantigrade
B. Digitigrade
C. Unguligrade
D. Hopping - S-band locomotion is characteristically seen in___________?
A. Bony fish
B. Cartilaginous fish.
C. Fish like mammals.
D. All fishes. - Diatoms belong to___________?
A. Chrysophyta
B. Bacillariophyceae
C. Xanthophyceae
D. Both A. and B. - Which one of the following is representing the group of diatoms?
A. Pinnularia, Navicula, Cymbella, Melosira
B. Euglenamorpha, Hedneria , Heteronema, Colacium
C. Nostoc, Anabaena, Aulosira, Cylindrospermum
D. Cochlodinium, Gymnodinium, Lenodinium, Peridinium - Diatoms are found in__________?
A. Phytoplanktonic population
B. Freshwater lakes and ponds
C. Marine environment
D. All of the above - The chloroplasts of diatoms and chrysophycean algae do not possess____________?
A. Chloryphyllpigments
B. Enzymes for photolysis
C. Defined grana and stroma
D. Carotenes with chlorophylls
