Biology Mcqs

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

Most of the photosynthesis on earth is carried by__________?

A. Kelps
B. Gymnosperms
C. Angiosperms
D. Algae

Of the following which one has glassy shells________________?

A. Radiolarians
B. Forams
C. Both of these
D. None of these

The only group of algae having no flagellated motile cells at any stage is___________?

A. Chrysophyta
B. Phaeophyta
C. Pyrrophyta
D. Rhodophyta

Chalk is gradually formed of dead______________?

A. Actinopods
B. Foraminiferans
C. Apicomplexans
D. Radiolarians

Brown algae are also known as___________?

A. Phaeophyta
B. Rhodophyta
C. Pyrrophyta
D. Chrysophyta