Who coined the term Animalcules for microorganisms like Bacteria and protozoa
A. Robert Koch
B. Louis Pasteur
C. Alexander Fleming
D. Leeuwenhoek
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Biology
The word Archaeobacteria (a division of bacteria) derived from Greek means
A. True bacteria
B. False bacteria
C. Recent bacteria
D. Ancient bacteria
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In which of the following pigments major energy reserves and cell wall are like plants?
A. Rhodophyta
B. Chlorophyta
C. Phaeophyta
D. Chrysophyta
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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
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Most of the photosynthesis on earth is carried by
A. Kelps
B. Gymnosperms
C. Angiosperms
D. Algae
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Of the following which one has glassy shells
A. Radiolarians
B. Forams
C. Both of these
D. None of these
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The only group of algae having no flagellated motile cells at any stage is
A. Chrysophyta
B. Phaeophyta
C. Pyrrophyta
D. Rhodophyta
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Chalk is gradually formed of dead
A. Actinopods
B. Foraminiferans
C. Apicomplexans
D. Radiolarians
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Brown algae are also known as
A. Phaeophyta
B. Rhodophyta
C. Pyrrophyta
D. Chrysophyta
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The drfinite shape to ciliates is given by
A. Pellicle
B. Penicle
C. Calcium
D. Cell wall
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