Biology
Prokaryotes
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#9 A cell-wall that is composed of sugar and amino acids is called:
A) Murein B) Chitin C) Lignin D) Pectin
Answer: A
#10 When the entire body of a bacterium is covered by flagella, such a bacterium is called:
A) Atrichous B) Lopho-trichous C) Amphi trichous D) Peri-trichous
Answer: D
#11 Bacteria living in the gut form the association of:
A) Mutualism B) Peridation C) Parasitism D) Commensalism
Answer: A
#12 An organism that adopts saprophytic mode of nutrition during part of its life is called:
A) Facultative saprophyte B) Facultative parasite C) Obligate saprophyte D) Obligate parasite
Answer: A
#13 The association in which an organism gets advantage and the other suffers is called:
A) Symbiosis B) Parasitism C) Predation D) Mutualism
Answer: B
#14 In which part of the human body the bacteria are normally present in abundance;
A) Salivary land B) Stomach C) Intestine D) Liver
Answer: C
#15 Blue green algae, besides chlorophyll also possesses another pigment known as:
A) phycocyanin B) phycoerythrin C) phycobillirubin D) Phycobilliprotein
Answer: A
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