Biology MCQs Online Test Quiz 15

Primary tabs

Question 1

A Substance Which Binds At The Active Site Of The Enzyme But Does Not Result In The Formation Of The Products Is Called______

Score: 1 of 1
Your answerChoice
Selected

Competitive Inhibitor

Non-Competitive Inhibitor

Irreversible Inhibitor

Reversible Inhibitor

Question 2

A Three Dimensional Dcavity Bearing A Specific Charge By Which The Enzyme Reacts With Its Substrate Is Called______

Score: 1 of 1
Your answerChoice

Catalytic Site

Binding Site

Allosteric Site

Selected

Active Site

Question 3

At Level Above ______ , Sound Turns Into Harmful Noise Pollution?

Score: 1 of 1
Your answerChoice

30db

100db

Selected

80db

120db

Question 4

The Atoms Of Different Elements Combine With Each Other Through Ionic Or Covalent Bonding To Produce Compounds This Stable Form Is Called:

Score: 1 of 1
Your answerChoice

Tissue

Selected

A Molecule

An Organ

Both A And C

Question 5

Atp Are Consumed During______

Score: 0 of 1
Your answerChoice

Krebs Cycle

Glycolysis

Selected

None Of These

Light Dependent Phase

Question 6

Atp Is A An Important Molecule For Its Major Function______

Score: 1 of 1
Your answerChoice

As A Coenzyme

Both A And B

Selected

As An Energy Currency Of The Cell

None Of These

Question 7

Attachment Of The Bacteriophage With The Receptor Site On The Bacterial Cell Wall Involves______

Score: 1 of 1
Your answerChoice

Strong Covalent Bond Between Virion And The Receptor Site.

Both A And B Depending Upon The Phage

Selected

Week Chemical Unior Between Them

None Of These

Question 8

At The Induction Of Action Potential Opening Of Na+ Gate With Influx Of Na+ Is A ______ Processes?

Score: 1 of 1
Your answerChoice

Diffusion

Active Transport

None Of These

Selected

Passive Transport

Question 9

At Which Stage In The Life Cycle Of Rhizopus Meiosis Takes Place?

Score: 0 of 1
Your answerChoice

Formation Of Sporangiophore Via Germination Of Zygospore.

Formation Of Spores In Sporangia

Selected

Fusion Of Two Hyphae

Formation Of Zygote By Fusion Of Gametangia.

Question 10

At Which Times There Is No Net Gaseous Exchange Between Leaves And The Atmosphere.

Score: 1 of 1
Your answerChoice
Selected

Dawn & Dusk.

Day Time.

Mid Night.

Night Time.

10th-class-mcqs-all-subjects9th-class-mcqs-all-subjects11th-class-mcqs-past-papers12th-class-macqs-past-paperscss-islamiat-past-papers-mcqsnts-online-test-preparation