A : MLOS are pleomorphic and non-motile monerans.
R : They are resistant to antibiotics like penicillin.

Mention if the following statements are true (T) or false (F). Alexander Fleming coined the term "antibiotic" for substances like penicillin.

In each ofthe following questions, there are two statements. One is Assertion (A) and other is reasoning (R). Mark the correct answer as A and R are true, R is the correct explanation of A Aand R are true,R is not the correct explanation of A A is true, R is false Both A and R are false : Assertion (A) : Bacteria develop resistance to antibiotics. Reason (R): We take antibioticsfor minor infections also

[A] : Mosses do not seem to resist infestations by most fungi and are often seriously damaged by insects . [R] : They do not possess antibiotic material .

[A] : Mosses do not seem to resist infections by most fungi and are often seriously damaged by insects . [R] : They do not possess antibiotic material .

[A] : Mosses do not seem to resist infestations by most fungi and are often seriously damaged by insects . [R] : They do not possess antibiotic material .

[A] : Mosses do not seem to resist infestations by most fungi and are often seriously damaged by insects . [R] : They do not possess antibiotic material .

Passage 2 Antibiotics are the chemical substances which are produced by microorganisms like bacteria, fungi and moulds. Antibiotics can inhibit the growth or even destroy other microorganisms. Now-a-days, synthetic antibiotics are also available. The first successful antibiotic produced was penicillin. The antibiotics may be either bacteriocidal (kills the organism in the body) or bacteriostatic (inhibits the growth of organism). Ampicillin and amoxycillin are modified antibiotics. Broad spectrum antibiotics are effective against several types of harmful microorganisms. 4. Which of the following antibiotics is/are the modification of penicillins ?

(A) Sulpha drugs work like antibiotics but they are not antibiotics. (R) Sulpha drugs can kill or prevent the growth of micro organisms like antibiotics but they are not antibiotics in the sense that these are not produced by micro organisms.

A: DNA ligase plays an important role in recombinant DNA technology. R: The linking of antibiotic resistance gene with plasmid vector became possible by enzyme DNA ligase