Multiple Choice: Choose the best answer. Use scantron form 1. If an ornganism ha

Question

Multiple Choice: Choose the best answer. Use scantron form 1. If an ornganism has a nucleus and a cell wall, and is unicellular, its Kingdom/Subkingdom is (a) Protozoa(b) Plantae (c) Monera (d) Fungi (e) Algae 2. The "Sarcina" arrangement of bacteria refers to: (a) clusters (b) pairs (c) groups of 4 (d) chains (e) groups of S 3The Cyanobacteria are (a) ancient bacteria (b) true, common bacteria (c) truly algae (d) blue-green in color (e) have no cell wall 4. The term "ubiquitous" means: (a) changes shape (b) without a cell wall (c) absence of life (d) widespread distribution (e) motile For the following questions, choose the best answer from these choices: (a) cell membrane (b) mitochondria (c) chromatophore (d) cell wall 5. Bacteria store energy in this structure 6. This structure is found only in prokaryotes 7. In addition to the cell membrane, both bacteria and fungi have this structure. 8. This regulates the entry of materials into the organism. 9· This structure is found only in eukaryotes. 10. Spheroplasts lack this structure. 11. The slight distinction between members of the same species is designated as: (a) genus (b) strain (c) group (d) order (e) family 12. This scientist was the first to truly classify living organisms: (a) Hooke (b) Linnaeus (c) Koch (d) Pasteur (e) Metchnikoff Match the following organisms to their cell wall structure: 13. Mycobacterium 14. Archaebacterium 15. Staphylococcus 16. Mycoplasmas 17. Gram a. no peptidoglycan b. thick peptidoglycan c. no cell wall at all d. thin peptidoglycan e minimal peptidoglycan

Explanation / Answer

Ans 1:(a) correct option is protozoa

Explanation - algae and protozoa both belongs to same kingdom that is protista both posses nunucleus and cellwall but algae either unicellular or multicellular but the protozoa only unicellular so the option is protozoa.

Ans 2: (d) correct option is group of eight

Explanation- sarcina is gram positive bacteria which is cuboid arrange in group of eight.

Ans 3: (d) correct option is blue green color

Explanation- cynobacteria are different from true algae because they do not contain photosynthetic pigment chlorophyll a and also do not have cell wall made of cellulose

Ans 4: (d) correct option is widespread distribution

Ans 5: (c) correct option is chromatophore.

Ans 6: (a) correct option is cell membrane also called plama membrane.

Ans 7: (d) correct option is cell wall.

Ans 8: (a) correct option is cell membrane.

Ans 9 : (b) correct option is mitochondria.

Ans 10: (d) correct option is cell wall.

Ans 11: (b) correct option is strain.

Ans 12: (b) correct option is Linnaeus.

Match the following correct cell wall

Ans 13: Mycoplasma - (e) minimal peptidoglycan

Ans 14: Archeobacteria - (a) no peptidoglycan

Ans 15: Staphylococcus- (b) Thick peptidoglycan

Ans 16: Mycoplasmas - (c) no cell wall at all

Ans 17: Gram (-) - (d) thin peptidoglycan

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