All phostosynthetic euglenoids lose their chlorophyll when grown in dark and obtain their nutrients heterotrophically this statement is___________?
(A) True
(B) False
(C) May be true may be false
(D) Unpredictable
Most dinoflagellates are___________?
(A) Unicellular
(B) Multicellular
(C) Both of these
(D) Zooflagellates
The most important group of producers in marine ecosystem is of__________?
(A) Diatoms
(B) Euglenoids
(C) Dinoflagellates
(D) Brown algae
Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture_____________?
(A) Robert Koch
(B) Louis Pasteur
(C) Alexander Fleming
(D) Leeuwenhoek
Who coined the term Animalcules for microorganisms like Bacteria and protozoa______________?
(A) Robert Koch
(B) Louis Pasteur
(C) Alexander Fleming
(D) Leeuwenhoek
The word Archaeobacteria (a division of bacteria) derived from Greek means___________?
(A) True bacteria
(B) False bacteria
(C) Recent bacteria
(D) Ancient bacteria
In which of the following pigments major energy reserves and cell wall are like plants?
(A) Rhodophyta
(B) Chlorophyta
(C) Phaeophyta
(D) Chrysophyta
Which of the following statement is incorrect about algae______________?
(A) Their zygote unlike plants is protected by parental tissue
(B) Their classification is based on pigment composition
(C) Most of them have different morphological forms in-different stages of their life cycle
(D) Almost all of them are aquatic