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

Pyrenoids are made up of

Lateral protein and surrounded by lipid layer

Central starch and surrounded by protein layer

Central Nucleic acid surrounded by protein layer

Central protein and starch layer

2 / 25

By which bond two individual Ribonucleotide units are bind together ?

Peptide bond

Co-valent bond

Hydrogen bond

Phospho di-ester bond

3 / 25

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

Isomerases

Transferase

Synthetase

Hydrolysis

4 / 25

What is dehydrogenation?

Joining of hydrogen

Absence of hydrogen

Duplication of hydrogen

Donation of a hydrogen

5 / 25

Find out incorrect pair :

Haxokinase - isomerases

Aldolase - lyases

Acetyle co-A enzyme synthetase-ligases

Maltase - hydrolases

6 / 25

Ribosomes provides the place for which reaction ?

DNA synthesis

Respiration

m-RNA synthesis

Protein synthesis

7 / 25

Full form of FMN :

Flavin mononucleic acid

Ferredoxin mononucleic acid

Ferredoxin mononitrite

Flavin mononucleotide

8 / 25

Succinic dehydrogenase is example of which type of enzyme ?

Hydrolysis

Lyases

Oxido-reductases

Transferases

9 / 25

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

Its colloidal form

Its three dimensional structure

Its amphoteric property

Activation energy level of a reaction

10 / 25

Which type of enzyme Hexokinase is ?

Isomerases

Transferases

Lyases

Ligases

11 / 25

Zn is require for the activation of:

Nitrogenase

Carbonic Anhydrase

Hydrogenase

Glucose phosphatase

12 / 25

What enzymes do ?

Increase in the rate of reaction

Decrease in the rate of reaction

Increase in the energy level of reaction

Decrease in the energy level of reaction

B & D

13 / 25

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

Cu, Zn, Mo

Mg, Ca, V

Mg, Zn, B

Mg, Mn, Zn

14 / 25

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

Inactive and denaturation

Inactive and damage

Degerate and Inactive

Denaturation and inactive

15 / 25

What is Ribozyme?

Enzymes made up of nucleic acid

Ribosome + r - RNA

r - RNA + protein

r - RNA

16 / 25

What is cofactor?

All of these

Apoenzyme

Inorganic substances

Non protein part of the enzyme structure

17 / 25

Form where Ligase enzyme gets energy in use ?

From the pyrophosphate bond of GDP

From the pyrophosphate bond of AMP

From the pyrophosphate bond of GTP

From the pyrophosphate bond of ATP

18 / 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

19 / 25

Full form of NAD:

Nicotinamide di-nucleotide

Nitric acid di-nucleotide

Nicotinamide Adenine di-nucleotide

Nucleic acid di-nucleotide

20 / 25

Enzyme means

Biological hormone

Biological protein

Biological chemical

Biological catalyst

21 / 25

Find out the incorrect pair:

DNA - Place for the protein synthesis

t - RNA - anticodon

r - RNA - Ribosome structure

m-RNA - genetic codon

22 / 25

Under which physiological factor living organisms perform their activity ?

At low temperature and atmosphere pressure

At high temperature and atmospheric pressure

At low temperature and high atmospheic pressure

At high temperature and low atmospheric pressure

23 / 25

Apoenzyme group is made up of what?

Lipid

Protein

Carbohydrate

Nucleic acid

24 / 25

Nucleoprotein means:

r - RNA + protein

t - RNA + protein

nucleotide + protein

r - RNA + nucleic acid

25 / 25

What is essential for performing every biochemical reaction ?

All of the given

Three dimensional form

Active site

Activation energy level

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PPSC Lecturer Biology Test 45 Online Preparation MCQs

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