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Give the role of plasmids in bacterial c...

Give the role of plasmids in bacterial cell.

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(a) Plasmids in bacteria carry genes related to metabolic activity and allow the carrier bacterium to survive and reproduce under unfavourable conditions .
(b) Plasmids also act as vector .
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GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS- MARCH 2019-SECTION C
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  3. In the light of Griffith's experiment , explain the action of two stra...

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  4. Give scientific reasons : (a) The pyramid of energy is always uprigh...

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  5. Define 'reproduction isolation ' and explain two types of reproductive...

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  6. Connecting link between glycolysis and TCA cycle is

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  7. Describe the structure of a human kidney with the help of a labelled d...

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  8. Describe the reflex action with the help of labelled diagram.

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  9. Define pollution . " Industries are pouring poison in water" - Expalin...

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  10. With the help of a suitable diagram , describe ultra structure of the ...

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  11. Describe the conducting system of human heart.

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  12. Lymphatic vessels are milky in appearance.

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  13. Monocytes are called scavengers.

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  14. The wall of left ventricle is thicker than right ventricle.

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  15. Valves are present in the veins.

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  16. Pulmonary veins carry oxygenated blood.

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  17. Which phenomenia gives 2 : 1 ratio instead of 3 : 1 ratio ? Describe w...

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  18. A pea plant homozygous for yellow round seed is crossed with its reces...

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  19. After puberty human female shows cyclic changes in her reproductive sy...

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  20. Scrotal sac serves as thermo regulator.

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  21. Corpus luteum gets converted into corpus albicans in absence of fertil...

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