1. Skraup synthesis is used to synthesize which of the following heterocycles? a. Isoquinoline b. Quinoline c. Indole d. Imidazole 2. Which of the following...
BIOCHEMISTRY 51. Histamine is formed from histidine by the enzyme histidine decarboxylase in the presence of (A) NAD (B) FMN (C) HS-CoA (D) B6-PO4 52....
BIOCHEMISTRY 1. A nucleoside consists of (A) Nitrogenous base (B) Purine or pyrimidine base + sugar (C) Purine or pyrimidine base + phosphorous (D) Purine...
BIOCHEMISTRYÂ 51. All proteins contain the(A) Same 20 amino acids(B) Different amino acids(C) 300 Amino acids occurring in nature(D) Only a few amino acids 52....
BIOCHEMISTRY 1. A drug which prevents uric acid synthesis by inhibiting the enzyme xanthine oxidase is (A) Aspirin (B) Allopurinol (C) Colchicine (D) Probenecid 2....
PHARMACOGNOSY 51. Which of the following types of compounds are the capsaicinoids?A) MonoterpenesB) PseudoalkaloidsC) CarotenoidsD) Protoalkaloids 52. Which of the following is the medical use...
PHARMACOGNOSY 1. The volatile oils are complex mixtures of A) mono- and sesquiterpenes and phenylpropane derivatives B) mono- and diterpene alcohols and ethers C) Sesquiterpenes...
PHARMACOGNOSY Q.1 when uric acid is treated with alkaline pottasium permagnate (vigrous oxidation) then the resulted product will be a) Alloxane b) Allantoin c) Hydantion...
MICROBIOLOGY-3 51. Plasma cells are the end cells of a. T-cells b. β-cells c. Killer cells d. Nk-cells 52. Basophils have receptors for antibodies a....
MICROBIOLOGY-2 51. The bases Adenine and Thymine are paired witha. Double hydrogen bondsb. Single hydrogen bondsc. Triple hydrogen bondsd. Both b and c 52. The...
MICROBIOLOGY-1 1. The principle light- trapping pigment molecule in plants, Algae, & cyanobacteria is a. Chlorophyll a b. Chlorophyll b c. Porphyrin d. Rhodapsin 2....