Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
If more substrate to already occurring enzymatic reaction is added more enzyme activity is seen because_____________?
A: There is probably more substrate present than there is enzym
B: There is probably more enzayme available than there is substrat
C: There is probably more product present than there is either substrate or enzym
There is probably more enzayme available than there is substrate
Enzymes __________________ the activation energy of a chemical reaction?
A: Increases
B: Decreases
C: Does not effect
D: Increases or decreases depending upon individual enzyme
Decreases
Which one forms the raw material for coenzymes_______________________?
A: Vitamins
B: Carbohydrates
C: Proteins
D: Metals
Vitamins
Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by___________?
A: Ribosomes
B: Cytoplasm
C: Golgi apparatus
D: Endoplasmic reticulum
Golgi apparatus
Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called_____________________?
A: Cofactor
B: Coenzymes
C: Activator
D: Enzymes
Enzymes
In which of the following location enzymes controlling cellular respiration are present____________?
A: Nucleus
B: Chlorophast
C: Milochondria
D: Ribosome
Milochondria
In golgi apparatus the maturing face is____________?
A: Biconcave
B: Convex
C: Spherical
D: Concave
Concave
A cofactor made of inorganic ion which is detachable is called__________________?
A: Prosthetic group
B: Coenzyme
C: Activator
D: Cofactor
Activator
An activated enzyme consisting of polypeptide chain and a cofactor is called_______________?
A: Apoenzyme
B: Holoenzyme
C: Activated enzyme
D: Both b and c
Both b and c