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

By which bond two individual Ribonucleotide units are bind together ?

Phospho di-ester bond

Peptide bond

Co-valent bond

Hydrogen bond

2 / 25

Find out incorrect pair :

Aldolase - lyases

Haxokinase - isomerases

Acetyle co-A enzyme synthetase-ligases

Maltase - hydrolases

3 / 25

Full form of NAD:

Nucleic acid di-nucleotide

Nicotinamide di-nucleotide

Nicotinamide Adenine di-nucleotide

Nitric acid di-nucleotide

4 / 25

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

Synthetase

Transferase

Hydrolysis

Isomerases

5 / 25

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

Mg, Ca, V

Cu, Zn, Mo

Mg, Mn, Zn

Mg, Zn, B

6 / 25

Find out the correct pair of the following.

Apoenzyme - none protein part of enzyme

NADP - Co-enzyme

Prosthetic group - protein part of enzyme

Ribozyme - Ribosome + r-RNA

7 / 25

Full form of FMN :

Ferredoxin mononucleic acid

Ferredoxin mononitrite

Flavin mononucleic acid

Flavin mononucleotide

8 / 25

Find out the incorrect pair:

r - RNA - Ribosome structure

DNA - Place for the protein synthesis

m-RNA - genetic codon

t - RNA - anticodon

9 / 25

What enzymes do ?

Increase in the energy level of reaction

Decrease in the rate of reaction

Increase in the rate of reaction

B & D

Decrease in the energy level of reaction

10 / 25

What is essential for performing every biochemical reaction ?

Active site

Three dimensional form

All of the given

Activation energy level

11 / 25

Form where Ligase enzyme gets energy in use ?

From the pyrophosphate bond of AMP

From the pyrophosphate bond of ATP

From the pyrophosphate bond of GDP

From the pyrophosphate bond of GTP

12 / 25

Enzyme means

Biological chemical

Biological protein

Biological hormone

Biological catalyst

13 / 25

Apoenzyme group is made up of what?

Protein

Nucleic acid

Carbohydrate

Lipid

14 / 25

What is Ribozyme?

Enzymes made up of nucleic acid

r - RNA

Ribosome + r - RNA

r - RNA + protein

15 / 25

Zn is require for the activation of:

Nitrogenase

Carbonic Anhydrase

Hydrogenase

Glucose phosphatase

16 / 25

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

Its colloidal form

Its amphoteric property

Activation energy level of a reaction

Its three dimensional structure

17 / 25

Nucleoprotein means:

r - RNA + nucleic acid

r - RNA + protein

nucleotide + protein

t - RNA + protein

18 / 25

Which type of enzyme Hexokinase is ?

Isomerases

Ligases

Transferases

Lyases

19 / 25

Succinic dehydrogenase is example of which type of enzyme ?

Oxido-reductases

Lyases

Hydrolysis

Transferases

20 / 25

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

Denaturation and inactive

Inactive and damage

Degerate and Inactive

Inactive and denaturation

21 / 25

Pyrenoids are made up of

Central protein and starch layer

Central starch and surrounded by protein layer

Lateral protein and surrounded by lipid layer

Central Nucleic acid surrounded by protein layer

22 / 25

What is dehydrogenation?

Donation of a hydrogen

Duplication of hydrogen

Joining of hydrogen

Absence of hydrogen

23 / 25

What is cofactor?

Apoenzyme

All of these

Inorganic substances

Non protein part of the enzyme structure

24 / 25

Ribosomes provides the place for which reaction ?

Protein synthesis

Respiration

DNA synthesis

m-RNA synthesis

25 / 25

Under which physiological factor living organisms perform their activity ?

At low temperature and atmosphere pressure

At low temperature and high atmospheic pressure

At high temperature and low atmospheric pressure

At high temperature and atmospheric pressure

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PPSC Lecturer Biology Test 45 Online Preparation MCQs

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