Steroids, a biologically active organic compound, are derived from __________?

Related Mcqs:

1. Which is an organic compound found in most cells ?

   A. Water
   B. Glucose
   C. Oxygen
   D. Sodium chloride

2. A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?

   A. Substrate
   B. Co-factor
   C. Inhibitor
   D. Promotor

3. The active site of an enzyme______________?

   A. Never changes
   B. Forms no chemical bond with substrate
   C. Determined by structure and the specificity of the enzyme
   D. They are non specific in their action

4. A substance which binds at the active site of the enzyme but does not result in the formation of the products is called________________?

   A. Irreversible inhibitor
   B. Reversible inhibitor
   C. Competitive inhibitor
   D. Non-competitive inhibitor

5. A chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product/s and thus blocks the active site temporarily or permanently is called_______________?

   A. Co-enzyme
   B. Blocker
   C. Inhibitor
   D. Cofactor

6. Active site of Rubisco is evolved to bind?

   A. CO2
   B. O2
   C. H2O
   D. All of these

    

7. Active transport is dependent on____________?

   A. Photosynthesis
   B. Respiration
   C. Photophosporylation
   D. None of these

8. A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?

   A. Transpiration pull
   B. Root pressure
   C. Osmotic pressure.
   D. None of these

9. The word “BIOLOGY” has been derived from_________ word?

   A. Latin
   B. English
   C. Greek
   D. French

10. The word Archaeobacteria (a division of bacteria) derived from Greek means___________?

    A. True bacteria
    B. False bacteria
    C. Recent bacteria
    D. Ancient bacteria