Which of the following bacteria are responsible for intestinal inflammation and urinary tract infections?

Assertion : $DNA$ as well as $RNA$ molecules are found in the nucleus of a cell.
Reason : On heating,the enzymes do not lose their specific activity.

Oxidation of glucose is one of the most important reactions in a living cell. What is the number of $ATP$ molecules generated in cells from one molecule of glucose?

Which one of the following tests used for the identification of functional groups in organic compounds does not use copper reagent?

Acquired immune deficiency syndrome $(AIDS)$ is characterized by:

Which of the following statement$(s)$ is(are) true?
$(1)$ Oxidation of glucose with bromine water gives gluconic acid.
$(2)$ The two six-membered cyclic hemiacetal forms of $D-(+)-$glucose are called anomers.
$(3)$ Hydrolysis of sucrose gives dextrorotatory glucose and laevorotatory fructose.
$(4)$ Monosaccharides cannot be hydrolysed to give polyhydroxy aldehydes and ketones.