Multiple Choice Questions

Advertisement

Which one is component of Ornithine cycle?

  • Ornithine, citrulline and alanine

  • Ornithine, citrulline and arginine

  • Amino acids are not used

  • Ornithine, citrulline and fumaric acid


B.

Ornithine, citrulline and arginine

Ornithine cycle or Krebs- Hanseleit cycle or urea cycle was dicovered by Hans Krebs and Kurt Hanseleit. It takes place in liver cells for synthesis of urea. The main componet of ornithine cycle are arginine, ornithine and citrulline.


Advertisement

Which one is component of Ornithine cycle?

  • Ornithine, citrulline and alanine

  • Ornithine, citrulline and arginine

  • Amino acid are not used

  • Ornithine, citrulline and fumaric acid


Which of the following vitamins is water soluble as well as an antioxidant?

  • Vitamin- B1

  • Vitamin-A

  • Vitamin-D

  • Vitamin-C


Which compound has a very important role in prebiotic evolution?

  • Sulphur dioxide

  • Nitric oxide

  • Methane

  • Sulphur trioxide


Paraffin wax is

  • ester

  • acid

  • monohydric alcohol

  • cholesterol


Advertisement

Which vitamin should not be stored?

  • Calciferol

  • Retinol

  • Niacin

  • Ascorbic acid


Nucleotide are building blocks of nucleic acids, nucleotide is a composite molecule formed by

  • (base-sugar-phosphate)n

  • base-sugar-OH

  • base-sugar-phosphate

  • sugar-phosphate


Protein present in silk fibre is

  • caesin

  • keratin

  • elastin

  • fibroin


Which one is the sweetest suagr?

  • Glucose

  • Fructose

  • Sucrose

  • Maltose


Advertisement
<

Which of the following is the simplest amino acid?

  • Tyrosine

  • Asparagine

  • Glycine

  • Alanine


Advertisement