Tag: bacteria
Questions Related to bacteria
Hens egg is
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An organ
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A single cell
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A tissue
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None of the above
Hens egg is a single cell structure inside the shell before the fertilization that can be seen by naked eyes. But after fertilization, the cells fused and divide into two cells inside the shell.
Hence, option B is correct.
A bacteria attaches to the host cell with the help of bristle-like structure is called
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Pili
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Flagella
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Fimbriae
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Cell wall
Which one of the following is an example of unicellular organism?
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Paramecium
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Frog
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Snake
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Bird
Which one of the following is the example of unicellular organism?
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Snake
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Yeast
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Bird
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Shark
The cell is the structural unit of life. Unicellular organisms are made up of one cell that performs all the functions, unlike a multicellular organism that consists of multiple cells e.g., yeast, bacteria. Thus, the correct answer is option B.
Amoeba is said to be a ...........organism.
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Organized
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Multi-cellular
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Unicellular
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Well defined
True nucleus is absent in
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Green algae
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Fungi
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Lichens
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Bacteria
Bacteria are prokaryotes grouped in Kingdom Monera. Prokaryotes have a pro or primitive karyon. Thus the true nucleus is absent in bacteria. The chromosome, a single, continuous strand of DNA, is localized, but not contained, in a region of the cell called the nucleoid. All the other cellular components are scattered throughout the cytoplasm.
Bacteria are made up of
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Nucleic acid
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Only proteins
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Nucleic acid and Proteins
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Nucleosides
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None of these
Nucleic acids constitute the genetic material and help in cellular expressions in bacteria, while proteins are important for constitutive activities in the bacterial cells. 15% of bacterial cell is protein, while 7% nucleic acids (DNA and RNA).
So answer is -'nucleic acid and proteins'.
A unicellular organism has
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just one cell
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many cells
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few cells
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no cells
An organism made of just one cell is called an unicellular organism. Bacteria, Amoeba, Paramoecium and Euglena are some examples of unicellular organisms.
Lifecycle of Saccharomyces cerevisiae is
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haplontic type
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diplontic type
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haplo diplobiontic type
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none of these
Bacteria are-
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Aerobic
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Non-aerobic
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Aerobic and non aerobic both
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None of the above