(A) Nuclease
(B) Maltose
(C) Pyruvic Kinase
(D) Enolase
Category: Biology Mcqs
Biology Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Here users will find all the Mcqs related to Biology. Here users will find mcqs related to study of life and living organisms, living things in an ecosystem, study and structure of organs, study of cells, organisms interaction and their environment, , study of heredity, study of biological molecules, study of DNA and proteins, study of fossils and all biology mcqs will be available here.
Which of the following binds to the active site of an enzyme?
(A) Allosteric Inhibitor
(B) Allosteric Activator
(C) Non-Competitive Inhibitor
(D) Competitive Inhibitor
What does a protein lose when it denatures?
(A) Its 3-D Shape
(B) Its primary structure
(C) Its peptide bond
(D) Sequence of amino acids
Which of the following term include all other in the list?
(A) Polysaccharide
(B) Disaccharide
(C) Monosaccharide
(D) Carbohydrates
Choose the pair that completes the sentence: Hydroxyl is to __ as __ is to aldehyde.
(A) Carbonyl; Ketone
(B) Oxygen; Carbon
(C) Alcohol; Carbonyl
(D) Alcohol; Acetone
Which property of water minimizes temperature changes in cell and organisms?
(A) Cohesion
(B) Heat of vapourization
(C) Maximum density of 4 Degree Centigrade
(D) Specific heat capacity
If lysosome measures 0.4 um what is the diameter in nm?
(A) 4 nm
(B) 40 nm
(C) 400 nm
(D) 4000 nm
Which of the following bonds are responsible for establishing secondary structure of proteins?
(A) Ionic
(B) Hydrogen
(C) Disulphide
(D) Hydrophobic