The antibiotic called ampicillin was not effective against E.coli.
Answer: D
Explanation:
E.coli is normal microbial flora which is present in the gut of the mammals.
It is gram negative bacteria and very few strains of this bacteria causes harm.
Antibiotics are the chemical drugs which are used to treat the microbial infection either by killing the causative organism or by its growth inhibition.
Antibiotics such as neomycin, penicillin and erythromycin are usually used to treat E.coli infection.
Antibiotic such as Ampicillin is not used as the bacterium E.coli is highly resistant to it.
Answer:
Chlorophyll
Explanation:
because they lack roots, stems, and leaves.
Answer:
True.
Explanation:
Taxonomy may be defined as one of the main branch of biology that helps in the classification of organisms. The organisms are classified on the basis of similarities and differences among them.
Taxonomy includes the identification of an individual by looking at its morphological characters. The nomenclature ( naming of organism) and its classification in to different groups.
Thus, the correct answer is option (a).
