How many carbon atoms are required to form a furan ring (ribofuranose)_____________?

Related Mcqs:

1. The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:

   A. An organ
   B. A molecule
   C. Tissue
   D. Both a and c

2. The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called__________?

   A. An organ
   B. A molecule
   C. Tissue
   D. Both a and c

3. The one which can break open a plasmid ring is__________?

   A. Ligase enzyme
   B. Primase enzyme
   C. Restriction endonuclease
   D. ATP-ase enzyme

4. Constricting ring around nematode is formed by_____________?

   A. Arthrobotrys
   B. Pleurotus ostreatus
   C. Mildews
   D. All of these

5. The bond formed when two or more atoms complete their electron shells by sharing electrons is called_____________?

   A. Ionic bond
   B. Hydrogen bond
   C. Covalent bond
   D. Electrovalent bond

6. Fatty acids containing 18 C atoms and a single double bond is____________?

   A. Saturated Fatty acid
   B. Unsaturated fatty acid
   C. Oleic Acid
   D. Plamitic acid

7. Carbon atom is_____________?

   A. Monovalent
   B. Divalent
   C. Trivalent
   D. Tetravalent

8. How many moles of carbon dioxide are produced by complete oxidation of one mole of puruvic acid?

   A. 1
   B. 2
   C. 3
   D. 6

9. Carbon commonly combines with______________?

   A. H
   B. N & O
   C. P & S
   D. All of these

10. Photosynthesis is process in which ________ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.

    A. Organic
    B. Energy rich
    C. Energy poor
    D. Reduced