IMPORTANT TOPICS FOR NET/JRF LIFESCIENCE EXAMINATION

Hello friends,
you know the NET EXAM date is announced and exam will be held in December month.

In this article I teach you miner skills to attempt the question paper.I you it will be helpful for you. I know some students has low perpetration but don't be worried some miner and quick tricks will be helpful for you.
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The important topics are-
1.Mostly I see that students left there lot of time in question study.I want to tell you that don't get nervous at exam time firstly choose the questions which are belongs to your well prepare topic.Read question 2 time and then select your answer.
2.If you don't complete your foll syllabus please read genetic and cell biology topics properly because these are important topics and many questions are belong to these topics.
3.Solve mind game questions because PART C of NET EXAM has special questions.
4.Solve previews year question papers.this  I suggest you Objective Life Science: MCQs for Life Science Examination (CSIR, ICAR, DBT, ASRB, IARI, NET, SET)2015 

 5.DNA replication and acids effect on cells are very important topics.
6.Applied zoology based questions are important.
7.Ask questions to me and I discuss the answer with description.
8.Special effects of amino acids, proteins are important points.on it helpful for you.
9.chromosome is important topic.
10.structural changes in chromosomes is very important for DEC. NET exam on this topic I will upload a video on this site h
If you have any other problem you can ask I try to give you a satisfied answer.

 My next capsule about genetic part will publish tomorrow please visit again.

CSIR-UGC NET/JRF LIFE SCIENCE EXAM.DECEMBER 2014 SOLVED PAPER WITH DESCRIPTION Q.NO. 86 to 90

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Q86. The following graph represents the expression of Tryptophan Synthetase (TS) in E.coli cels in absence or presence of Tryptophan in the medium-

If the two trp codons in the leader sequence of trp operon is mutated to ala, which of the following graph will best represent activity of TS in E.coli cells grown in the absence or presence of tryptophan?

(A)

(B)

(C)

(D)

ANSWER-B

Description-42-45 nucleotide coding leader sequence(trpL) contains an attenuator site.

Att-Transcription termination loop.(3:4)

Q87.The lifetime of a peptide bond in protein is very large,which statement below is incorrect with respect to stability of peptide bond?

(A)free energy of hydrolysis is negative

(B)The free energy of hydrolysis is positive and large

(C)The energy barrier to be crossed to go to the hydrolysed state in the large

(D)The peptide bond can be hydrolysed by6N HCl at 100 degree C.

ANSWER-B

Description-Because peptide bond hydrolysis is a spontaneous process. so it have highly negative value.

Q88. Following are certain statements related to euckryotic DNA replication-

1.The genome of multicellular animals contain many potential origins of replication.

2. During early development, when embryos are undergoing rapid cell divisions origin sites are uniformly activated.

3.'Pulse-chase' technique is used to label sites of DNA replication.

4.The rate of elongation of different DNA chains during genome replication varies drastically.

Which one of the following combinations of above statements are correct?

(A)1,2 and 3

(B)1,3 and 4

(C)2,3 and 4

(D)1,2 and 4

ANSWER-A

Description-Because the size of Eukaryotic genome is very large so,it contains multiple ori, uniformly transcribed at each ori, during early development stages.

'Pulse-chase' technique is also used to label the sites of DNA replication.

Method was used to determine the existence and function of Okazaki fragments(DNA replication)

Q89.A researcher wanted to immunize individuals of a particular area with viral infections. The researcher developed two different vaccine types(A and B) with the following properties-

1.When vaccine type A specific for a viral strain is administered to individuals, they develop strong neutralizing antibody response with very poor immunological memory.Hence it has to be administered in repetitive doses.

2.When vaccine type B specific for a viral strain is administered to individuals, they fail to develop circulating antibody response at the time of infection but they develop strong immunological memory.

If two viral strain V1(incubation period-2 days) and V2(incubation period-15days) are likely to infect the area which of the following vaccine combination would provide maximum immunization?

(A)V1 specific type A and V1 specific type B

(B)V1 specific type A and V2 specific type B

(C)V2 specific type A and V1 specific type B

(D)V2 specific type A and V2 specific type B

ANSWER-B

Description-Type A specific type to viral strain, produces strong neutralizing Abs but very poor immunological memory.

Hence repetitive booster doses are required.

But type B vaccine is generating strong memory.

Therefore to control V1 viral strain and V2, a combination of type A and B vaccine should be beneficial.

Q90.The expression of a hypothentical gene was analysed by Northen and Westenbolt hybridizations under control and induced condition.The results are summarized blow-

Expression of gene can be regulated by-

1.control at transcription initiation

2.alternative splicing

3.control the translation initiation

4.protein stability

Which of the above regulatory mechanisms can explain the observations show in the figures?

(A)Only 2

(B)Only 1 and 2

(C)Only 2 and 3

(D)1,2,3 and 4

ANSWER-D

Description-Northern bolt hybridization-RNA

                   Western bolt hybridization-Protiens

Expressions of gene can be regulated at any of following stages-A,B,C and D.

FOR PREVIEWS 18-85 QUESTION ANSWERS CLICK HERE-

CSIR-UGC NET/JRF LIFE SCIENCE EXAM.DECEMBER 2014 SOLVED PAPER WITH DESCRIPTION Q.NO. 81 to 85

CSIR UGC NET/JRF ANIMAL PHYSIOLOGY- HAEMOSTASIS

                                                         Haemostasis

When a blood vessel is damaged, loss of blood is stopped and healing occurs in a series of overlapping processes, in which platelets play a vital part, The more badly damaged the vessel wall is, the faster coagulation begins, sometimes as quickly as 15 seconds after injury.

1. Vasoconstriction-  platelets come into contact with the damaged blood vessel, there surface becomes sticky and they adhere to the damaged wall, then they release serotonin(5-hydroxytrptamine), which constricts the vessel, reducing blood flow through it. other chemicals that cause vasoconstriction, e.g. thromboxanes, are released by the damaged vessel itself.

2. Platelet plug formation- The adherent platelets clump to each other and release, other substances, including adinosine diphosphasate(ADP), which attract more platelets to the site. Passing platelets stick to those already at the damaged vessel and they too release their chemicals. This is a positive feedback system by which many platelets rapidly arrive at the site of vascular damage and quickly form a temporary seal-the platelet plug. Platelet plug formation is usually complete by 6 minutes after injury.

3. Fibrinolysis- After the clot has formed the process of removing it and healing the damaged blood vessel begins.The breakdown of the clot or fibrinolysis, is the first stage. An inactive substance called plasminogen is present in the clot and is converted to the enzyme plasmin by activators released from the damaged endothelial cells.cells. Plasmin initiates the breakdown of fibrin to soluble products that are treated as waste material and removed by phagocytosis. As.As the clot removed the healing process restores the ingratiate blood vessel.

EASY NOTES CSIR UGC NET LIFE SCIENCE ABOUT CELL BIOLOGY CAPSULE 3

Hello friends,

                     I hope you read my last two capsules. I hope you like that capsules please give your reviews and suggestions. I will try to provide you  best quality capsules. please regularly visit the site and study properly.
In my this capsule all questions are related to cell organs. I try to cover all important points about cell organs. May it helpful for you. read the capsule ans mesmerise if you have any question or problem you can ask the question in comment.

Download capsule 3 on this link-
CSIR UGC NET LIFE SCIENCE CELL BIOLOGY CAPSULE 3

Choose and buy best books for NET/JRF EXAM. Vist my other article about top 4 life science books for NET EXAM. Visit on this link and buy now-
TOP 4 BOOK FOR CSIR UGC NET LIFE SCIENCE  EXAMINATION

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BEST CSIR UGC NET LIFE SCIENCE BOOKS FOR BUY

Top 4 Books for CSIR UGC NET Life Science Exam.

Today I review top 4 books of CSIR UGC NET Life Science exam

    1. CSIR-JRF-NET: Life Sciences Fundamentals and Practice (Part – I &II) by Kumar Pranav Mina Usha  (Author):-

About the book-This best CSIR UGC NET Life Science Fundamentals and Practice available in two parts which covers everything to qualify CSIR-JRF-NET or related examination like ICMR, GATE, DBT.

CSIR-JRF-NET: Life Sciences Fundamentals and Practice (Part – I &II) by Kumar Pranav Mina Usha   book covers essential fundamentals and techniques that will improve one's comprehension and help them perform better in the examinations.

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2. Objective Life Science: MCQs for Life Science Examination (CSIR, ICAR, DBT, ASRB, IARI, NET, SET)2015

By Kailash Choudhary and R. P. Saran(Author)

Objective Life Science: MCQs for Life Science Examination (CSIR, ICAR, DBT, ASRB, IARI, NET, SET) book is to equip the reader with brainstorming challenges and solution for NET life science examinations.

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3. Ace The Race - CSIR UGC NET Life Sciences (JRF & LS)

By Nitin Sharma and S.K. Singla(Author)

Ace The Race - CSIR UGC NET Life Sciences (JRF & LS) book is very good preparation book for NET and JRF proration. The book contains best collection of questions. All topics are described very well and easy to understand. The book has lest years solved paper also so this is very useful for NET examination.

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4. Trueman's UGC CSIR-NET Life Science by Dr. Pramod Singh (Author)

The  Trueman's UGC CSIR-NET Life Science book covers all the important topics for NET EXAM.

The book stores full syllabus of NET Exam. Buying this book is good choice for candidates. This book also has previews papers with solution. And the other god thing is that the after every chapter there is MCQ Questions about the topics.

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EASY NOTES CSIR UGC NET LIFE SCIENCE ABOUT CELL BIOLOGY CAPSULE 2

 CSIR UGC NET LIFE SCIENCE ABOUT CELL BIOLOGY                                               CAPSULE 2

I hope you read my first capsule about cell biology. 
So now I am come with the second capsule. This capsule also contains 25 questions.
 I want to say you that if you don’t read my capsule 1 so please read this first. It can helpful for your exam preparation.

Apply on-line for CSIR UGC NET EXAM

In my previews capsule I told you about my capsules and I also told that how its work.
 If you are new and you don't know about this you scan visit in this link and also read my first capsule. If you have questions you can ask and I will give answers but please read capsules regularly.

EASY CSIR NET LIFE SCIENCE NOTES CAPSULE 1

So now I starting the capsule second please click on this link to download the capsule 2.
EASY NOTES CSIR UGC NET LIFE SCIENCE ABOUT CELL BIOLOGY CAPSULE 2

The next capsule will be upload on 07.10.2015

EASY NOTES CSIR UGC NET LIFE SCIENCE ABOUT CELL BIOLOGY CAPSULE 1

When you ill you take capsule from doctor to regain your health.

 My unique capsule method for NET preparation is very easy like a doctor treatment. 

I make my notes in Capsule of 25-25 questions. 

How to take my Capsules:- Download Easy notes capsule as pdf file from here and memorize all 25 question of capsule after memorize first capsule download second capsule and memorize them..Continue this method until you memorize all of my 200 capsules which mean you memorize 25x200 = 5000 important points for CSIR UGC NET exam of Life sciences. 
click here for- CSIR UGC NET life science December 2014 solved question paper

Now I am starting my capsule first about cell structure in this your will cover all important points about cell.

Download capsule 1 from this link

EASY NOTES CSIR UGC NET LIFE SCIENCE ABOUT CELL BIOLOGY CAPSULE 1

Capsule 2 will be publish on 30.09.2015 So visit again on 30.09.15 

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