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Conjugation in bacteria was discovered b...

Conjugation in bacteria was discovered by ............... first

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Lederberg and Tatum , E. coli
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ICSE-BIOLOGICAL CLASSIFICATION-Test Your Progress (Fill in the blanks with appropriate words)
  1. Conjugation in bacteria was discovered by ............... first

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  2. The change in DNA of a bacterium by incorporation of DNA fragment rele...

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  3. Transfer of genetic material from one bacterium to another by a virus ...

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  4. Methanogens have a unique form of energy metabolism in which ............

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  5. Photosynthetic sulphur bacteria differ from higher plants in that they...

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  6. When treated with crystal violet and subsequently with iodine some bac...

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  7. During conjugation F-factor is commonly called as ……….

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  8. ............... are short, curved comma-shaped flagellated bacteria.

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  9. A nitrite oxidising bacterium is ...........

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  10. The causative organism for tetanus is ............... and for tubercul...

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  11. The cell wall of Gram -ve bacteria is comparatively less ................

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  12. …………. bacteria are those which use chemical energy for reduction of CO...

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  13. In bacterial nucleoid, spindles are ............... during cell divisi...

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  14. In bacteria, ............... are extensions of plasma membrane which ...

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  15. The most common method of reproduction in bacteria is …………

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  16. The digestion of food in all protozoan protists is .......

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  17. Contractile vacuoles are absent in ............... protozoans.

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  18. African sleeping sickness is caused by ........

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  19. Sporozoa includes parasitic protozoans in which locomotor organelles a...

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  20. The two types of nuclei in Paramecium are the ........, which control...

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