8. Which of the following is not true for eukaryotic cells?
A.Nucleus is bounded by nuclear membrane
B.Chromosomes contain histones
C.Chloroplasts and mitochondria contains 70S ribosomes
D.Gas vacuoles are present

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9. Which of the following is not true for prokaryotic organism?
A.Nucleus is not bounded by nuclear membrane
B.Chromosomes does not contain histones
C.80S ribosomes are distributed in cytoplasm
D.Cell wall contains peptidoglycan as one of the major component

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10. Gram staining was introduced by
A.Christian gram
B.Alfred Gram
C.Robertcook
D.Louis Pasteur

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11. Which of the following is considered the most unifying concept in biology?
A.Taxonomy
B.Anatomy
C.Genetics
D.Evolution

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12. Various bacterial species can be subdivided into
A.subspecies
B.biovarieties
C.serovarieties
D.all of these

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13. Living organisms have many complex characteristics. Which one of the following is shared by non-living matter as well?
A.Homeostasis
B.Tissues
C.Reproduction
D.Molecules

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14. A newly discovered microscopic structure is hypothesized to be a living organism. Which of the following lines of evidence would support the contention that this organism may be alive?
A.It contains DNA
B.It is made of a single cell
C.It utilizes energy
D.All of these

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