41.

Which one of the following undergoes iodoform test?

• Propanal

• Ethanal

• Benzophenone

• Benzaldehyde

Which one of the following is used as a test for aliphatic primary amines?

• Tollen's test

• Fehling's test

• lsocyanide test

• Azo dye test

When methanamine is treated with benzoyl chloride, the major product is

• N-phenylethanamide

• N-methylbenzamide

• benzanilide

• acetophenone

In DNA, the consecutive deoxynucleotides are connected by

• phosphodiester linkage

• phosphomonoester linkage

• phosphotriester linkage

• amide linkage

Which one of the following monomers form biodegradable polymer?

• Urea and formaldehyde

• Ethylene glycol and terephthalic acid

• 3-hydroxybutanoic and 3-hydroxypentanoic acid

• Phenol and caproic acid

Match the following:

• A - q; B - s; C - t; D - r; E - p

• A - r; B - t; C - q; D - p; E - s

• A - t; B - s; C - q; D - p; E - r

• A - t; B - r; C - p; D - q; E - s

The enzyme that converts glucose into ethyl alcohol and carbon dioxide is

• zymase

• invertase

• maltase

• urease

The chelating ligand used to remove excess of copper and iron in chelate therapy is

• D-penicillamine

• oxalate ion

• EDTA

• ethylenediamine