A. CO2
B. O2
C. H2O
D. All of these
Related Mcqs:
- 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 - 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 - 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 - 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 - An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?
A. Biome
B. Phyletic lineage
C. Community
D. Population - Amphibians are considered to be evolved from___________?
A. Newts
B. Varanope
C. Dipnoi
D. Hagfishes - Active transport is dependent on____________?
A. Photosynthesis
B. Respiration
C. Photophosporylation
D. None of these - 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 - Steroids, a biologically active organic compound, are derived from __________?
A. Hormones
B. Chemicals
C. Cholesterol
D. CarbohydratesSubmitted by: Lubaba
- The site/s where most of the uptake of water and minerals take place is/are__________?
A. Root hairs
B. Root cells
C. Underground stem
D. All of these
