Micro Organisms – Section 1

1. The phospholipids present in the cytoplasm membrane of the archaeo-bacteria is

A. phosphoglycerides
B. polyisoprenoid
C. polyisoprenoid branched chain lipids
D. none of the above

Correct Answer: C. polyisoprenoid branched chain lipids

2. The oldest eukaryotic organisms are considered to be

A. diplomonads like Giardia
B. archaea
C. fungi
D. animals

Correct Answer: B. archaea

3. The phospholipids present in cytoplasm membrane of eubacteria is mainly

A. phosphoglycerides
B. polyisoprenoid
C. phospho lipoprotein
D. none of these

Correct Answer: A. phosphoglycerides

4. Which were the investigators who lived at the same time?

A. Koch and Pasteur
B. Darwin and Woese
C. Van Leeuwenhoek and Ricketts
D. Berg and Hooke

Correct Answer: A. Koch and Pasteur

5. The unifying feature of the archaea that distinguishes them from the bacteria is

A. habitats which are extreme environments with regard to acidity
B. absence of a nuclear membrane temperature
C. presence of a cell wall containing a characteristic outer membrane
D. cytoplasmic ribosomes that are 70S

Correct Answer: B. absence of a nuclear membrane temperature

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