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

Which is correct about saccharin?

Identify the statement which is not correct from the following.
$(i)$ Carbohydrates are stored as glycogen in animals.
$(ii)$ In glycylalanine,the carbonyl group of peptide bond belongs to alanine.
$(iii)$ Base - sugar - phosphate unit is known as nucleoside.
$(iv)$ Obesity is due to hypothyroidism.
The correct answer is

Which of the following contain $\alpha$-$D$-glucose units?
$a$) Cane sugar
$b$) Milk sugar
$c$) Cellulose
$d$) Amylose

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

Which of the following is the Fischer projection of $L$-threonine (also known as $(2S, 3R)-2$-amino-$3$-hydroxybutanoic acid)?