Biomolecules MCQs

Biomolecules MCQs

1. Which biomolecule is distributed more widely in a cell?

Chloroplast

RNA

DNA

Spaherosomes

2. Which is a reducing sugar?

Galactose

Gluconic acid

Sucrose

methyl galactosidase



3. Most abundant RNA in the cell

r-RNA

m-RNA

t-RNA

t-RNA threonine

4. Name the simplest amino acid

Alanine

Tyrosine

Asparagine

Glycine

5. Mineral associated with cytochrome is

Mg

Cu and Ag

Fe

Cu


6. The most common secondary structure of proteins is

Ꞵ-pleated sheet

Ꞵ-pleated sheet parallel

Ꞵ-pleated sheet non-parallel

Ɑ-helix

7. The term enzyme was coined by

Urey Miller

Pasteur

Kuhne

Buchner

8. Ꞵ-oxidation occurs in

Nucleus

Cytoplasm

Mitochondria

Chloroplast

Also read: Proteins

9. Koshland’s theory of enzyme action is known as

Lock and key theory

Reduced fit theory

Induced fit theory

Enzyme coenzyme theory

10. High content of triglycerides are found in

VLDL

LDL

HDL

Chylomicrons

11. Haemoglobin has

Primary structure

Secondary structure

Tertiary structure

Quaternary structure

12. Which is the most abundant biomolecule on earth?

Mineral salts

Proteins

Lipids

Carbohydrates


13. In which of the following an anticodon occurs

t-RNA

m-RNA

r-RNA

DNA

14. The fastest enzyme is

DNA gyrase

Pepsin

DNA polymerase

Carbonic unhydrase

15. Which of the following is a phospholipid?

Sterol

Cholesterol

Lecithin

Steroid



Answer Key

1- b2- a3- a4- d5- c6- d7- c8- c9- c10- d11- d12- d13- a14- d15- c