PPSC Lecturer Biology Test 45 Online Preparation MCQs

Leave a Comment / By Hassan / June 5, 2021

Given below on this Website Online Free Taleem is free online MCQ’s test related to PPSC of Lecturer Biology. All the individuals who are going to appear in PPSC Lecturer of Biology written test can attempt these tests in order to prepare for it in best possible way. Our tests include all the important questions MCQs of Lecturer of PPSC Biology, all Past Papers of Lecturer of Biology PPSC that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
At the End of the Test you can see your Test score and Rating.
If you found any incorrect answer in Quiz. Simply click on the quiz title and comment below on that MCQ. So that I can update the incorrect answer on time.

Please Click Below START Button to Take this Lecturer Biology Test Online.

Test Instructions:-
Test Name	Lecturer Biology
Subject	Biology Test 45
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

PPSC LECTURER OF BIOLOGY TEST NO. 45

1 / 25

What is dehydrogenation?

Absence of hydrogen

Duplication of hydrogen

Joining of hydrogen

Donation of a hydrogen

2 / 25

What is essential for performing every biochemical reaction ?

All of the given

Active site

Activation energy level

Three dimensional form

3 / 25

Find out incorrect pair :

Acetyle co-A enzyme synthetase-ligases

Haxokinase - isomerases

Maltase - hydrolases

Aldolase - lyases

4 / 25

Succinic dehydrogenase is example of which type of enzyme ?

Hydrolysis

Oxido-reductases

Lyases

Transferases

5 / 25

Which pair is correct of minerals for the activation of enolase ?

Mg, Zn, B

Mg, Mn, Zn

Mg, Ca, V

Cu, Zn, Mo

6 / 25

Find out the correct pair of the following.

Ribozyme - Ribosome + r-RNA

Apoenzyme - none protein part of enzyme

NADP - Co-enzyme

Prosthetic group - protein part of enzyme

7 / 25

By which bond two individual Ribonucleotide units are bind together ?

Phospho di-ester bond

Co-valent bond

Peptide bond

Hydrogen bond

8 / 25

Apoenzyme group is made up of what?

Nucleic acid

Lipid

Protein

Carbohydrate

9 / 25

Form where Ligase enzyme gets energy in use ?

From the pyrophosphate bond of ATP

From the pyrophosphate bond of AMP

From the pyrophosphate bond of GTP

From the pyrophosphate bond of GDP

10 / 25

What is cofactor?

All of these

Apoenzyme

Non protein part of the enzyme structure

Inorganic substances

11 / 25

Which structure is responsible for the active site of an enzyme ?

Its amphoteric property

Activation energy level of a reaction

Its colloidal form

Its three dimensional structure

12 / 25

Enzyme means

Biological hormone

Biological catalyst

Biological protein

Biological chemical

13 / 25

Full form of NAD:

Nucleic acid di-nucleotide

Nicotinamide di-nucleotide

Nitric acid di-nucleotide

Nicotinamide Adenine di-nucleotide

14 / 25

Find out the incorrect pair:

DNA - Place for the protein synthesis

r - RNA - Ribosome structure

m-RNA - genetic codon

t - RNA - anticodon

15 / 25

Which group is correct for the reaction takes place on enzyme at higher and lower temperature sequentially ?

Inactive and denaturation

Degerate and Inactive

Inactive and damage

Denaturation and inactive

16 / 25

Nucleoprotein means:

nucleotide + protein

t - RNA + protein

r - RNA + nucleic acid

r - RNA + protein

17 / 25

What enzymes do ?

Increase in the energy level of reaction

B & D

Decrease in the rate of reaction

Decrease in the energy level of reaction

Increase in the rate of reaction

18 / 25

Pyrenoids are made up of

Central starch and surrounded by protein layer

Central Nucleic acid surrounded by protein layer

Lateral protein and surrounded by lipid layer

Central protein and starch layer

19 / 25

Full form of FMN :

Flavin mononucleotide

Ferredoxin mononitrite

Flavin mononucleic acid

Ferredoxin mononucleic acid

20 / 25

Under which physiological factor living organisms perform their activity ?

At high temperature and low atmospheric pressure

At high temperature and atmospheric pressure

At low temperature and high atmospheic pressure

At low temperature and atmosphere pressure

21 / 25

Zn is require for the activation of:

Carbonic Anhydrase

Nitrogenase

Hydrogenase

Glucose phosphatase

22 / 25

Ribosomes provides the place for which reaction ?

Respiration

DNA synthesis

Protein synthesis

m-RNA synthesis

23 / 25

Which type of enzyme Hexokinase is ?

Ligases

Isomerases

Lyases

Transferases

24 / 25

What is called that join the phosphate to one substrate to another substrate ?

Hydrolysis

Transferase

Isomerases

Synthetase

25 / 25

What is Ribozyme?

Enzymes made up of nucleic acid

r - RNA

r - RNA + protein

Ribosome + r - RNA

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PPSC Lecturer Biology Test 45 Online Preparation MCQs

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