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Assertion : Penicillin (G) is an antihis...

Assertion : Penicillin (G) is an antihistamine.
Reason : Penicillin (G) is effective against gram positive as well as gram negative bacteria.

A

(a) Assertion and reason both are correct and reason explains the assertion.

B

(b) Assertion and reason both are correct statements but reason does not explain assertion.

C

(c) Assertion is correct statement, reason is wrong statement

D

(d) Assertion is wrong statement, reason is correct statement.

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Differentiate gram positive and gram negative bacteria.

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Two questions consist of two statements each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. If both Assertion and Reason are true and Reason is a correct explanation of Assertions. If both Assertion and Reason are true but Reason is not a correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:Discovery of penicillin by Alexander Flemming was a serendipity. Reason:A. Flemming was working on Penicillium notatum along with Staphylococcus bacteria.

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A paisa coin is made up of Al-Mg alloy and weights 0.75g. It has a square shape and its diagonal measures 17 mm. it is electrically neutral and contains equal amounts of positive and negative charges. Treating the paisa coins made up of only Al, find the magnitude of equal number of positively and negatively charages. what conclusion do you draw from this magnitude?

MODERN PUBLICATION-CHEMISTRY IN EVERYDAY LIFE-EXERCISE
  1. Express 1063 in roman numbers.

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  2. Match the classes of drugs given in Column I with their action given i...

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  3. Assertion : Penicillin (G) is an antihistamine. Reason : Penicillin ...

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  4. Give an example of a sulpha drug.

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  5. Where are receptors located in the body?

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  6. Which forces are involved in holding the drugs to the active site of e...

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  7. Give the technical terms used for the following: A juxtaposition betw...

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  8. Assertion : Sulphide ores are concentrated by Froth Flotation method. ...

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  9. Assertion : Small quantity of soap is required to prepare a stable emu...

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  10. Which forces are involved in holding the drugs to the active site of e...

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  11. Which forces are involved in holding the drugs to the active site of e...

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  12. What is e.m.f. of the cell, when the cell reaction attains equilibrium...

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  13. Drugs which bind to the receptor site and inhibit its natural function...

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  14. Which of the following are not used as food preservatives?

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  15. Assertion : Preservatives are added to food items. Reason: Preservativ...

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  16. Which of the following is not an artificial sweetener ?

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  17. Is a homopolymer or a copolymer?

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  18. Write the name and structure of the monomers of Buna-S.

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  19. Give one example of a neutral detergent..

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  20. Name a substance which can be used as an antiseptic as well as disinfe...

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