CSIR NET Life Science Exam Analysis 2023 Shift 1 and Shift 2: Difficulty Level, Questions

Highlights of the CSIR NET Life Science Exam 2023

The candidates can check the essential highlights of the CSIR NET Life Science exam with the information below. The important highlights for the examination also contain the timing and shift of the examination.

• Name of the Exam: CSIR NET Life Sciences
• Date of the Exam: 6th June 2023
• The shift of the Exam: Conducted in the 1st Shift and 2nd Shift
• Timing of the Exam: 9:00 PM – 12:00 PM for Shift 1 and 3:00 Pm to 6:00 Pm for Shift 2 
• Exam Conducting Authority: National Testing Agency
• Medium of the Exam: Hindi and English

CSIR NET Memory Based Question Papers 2023:

• CSIR NET Life Science Memory Based Question Paper
• CSIR NET Chemical Science Memory Based Question Paper
• CSIR NET Mathematics Memory Based Question Paper
• CSIR NET Physics Memory Based Question Paper

CSIR NET Life Science Exam Pattern

The candidates can check the table below for the CSIR NET Life Science Exam Pattern. This table will help the candidates to acknowledge the Number of questions to be attempted, Negative Marking in the CSIR NET Life Science Exam June 2023.

CSIR NET Exam Pattern for Life Science
Sections	Total Questions	Questions to attempt	Marks Allotted	Negative marking
Part A	20	15	2	0.5
Part B	50	35	2	0.5
Part C	75	25	4	1
Total	145	75	200	–

CSIR NET Life Science Exam Analysis (Shift 1): Difficulty Level

The table below contains an overall analysis of the difficulty level and topics with maximum weightage in the CSIR NET Life Science June Exam, shift 1, 2023

Topic	Analysis
Overall Difficulty Level	Moderate
Difficulty Level of Section A	Difficult
Difficulty Level of Section B	Easy to Moderate
Difficulty Level of Section C	Easy

CSIR NET Life Science Exam Analysis (Shift 1): Topic-Wise Weightage

It is essential for the candidates to be aware of the topics with the maximum weightage and the number of questions asked from different topics to analyze the most important concepts of the CSIR NET Life Science Exam. In the tables below, we have provided detailed information on the topic-wise weightage of the different sections of the CSIR NET Life Science. 

CSIR NET Life Science Topic Wise Weightage (Shift 1) for Part A

Part A of the Life Science Paper consists of questions based on the candidate’s General Aptitude. The candidates can check the table given below to analyze the number of questions asked in the CSIR NET Life Science Exam, shift 1,  Part A. Part A for the CSIR NET Life Science exam consists of the questions from:

Topics	Weightage
Blood relation	1-2
Order & Ranking	2
DI (Bar Graph)	1-2
Profit & Loss	2
Speed Distance	3
Ratio & Proportion	2
Geometry	2
Algebra	1-2
Probabilty	1

CSIR NET Life Science Topic-Wise Weightage (Shift 1) for Part B and C

The table given below consists of the topic-wise weightage by analyzing the number of questions for the CSIR NET Life Science Exam, shift 1, Sections B and C. Part B and C of the Life Science exam include units such as:

Topics/Units	Weightage in Sec B	Weightage in Sec C
Enzyme kinetics, Glycolysis, amino acid metabolism, thermodynamics, Pellagra- Vitamin B3.	4-5	3-4
. Nuclear localization	3-4	4-5
Antibiotic- Mode of action, Fidelity of DNA replication, SOS repair, DNA packaging, DNA structure, Initiation, Operon	4-5	5-6
RTK pathway t cell Complement system- tuberculosis, MAPK, GAP-GEF	4-5	3-4
amphibian development (ectoderm and mesoderm differentiation) C. elegans sea urchin frog development ultrabithorax mutation	6-7	7-8
Plant products. Photosynthesis, plant adaptation, CAM cycle,Cell-cell movement of small molecules plants- plasmodesmata, hemidesmosomes Root vascular system plastoquinone related, Chloroplast secondary metabolites hormone homeotic selector gene nitrogenase enzyme structure	3-4	4-5
Colour Blindness, Hardy Weinberg, Allelic frequency,	1-2	1-2
Bryophyte life cycle	1	2
Kin selection, net primary productivity, habitat of various organisms,	3-4	6-7
Maximum likelihood, parsimony,	2	3
Microscopy- phase contrast, resolving power ELISA, RIA, Southern blotting, Mass Spec, RACE, PGE, Isoelectric focusing	5-6	2-3

CSIR NET Life Science Analysis (Shift 1) – Good Attempts

Analyzing the number of good attempts for the total questions in the CSIR NET Life Science Exam is important for the candidates to follow. We have provided detailed information on the number of good attempts for the CSIR NET Life Science, shift 1, Part A, B, and C

CSIR NET Life Science Exam Analysis (Shift 1): Good Attempts for Part A

The table below contains the number of attempts that can be counted as ideal in the CSIR NET Life Science Exam 2023, shift 1, for Part A.

Topics	Number of Good Attempts
Blood relation	1
Order & Ranking	2
DI (Bar Graph)	1
Profit & Loss	2
Speed Distance	2
Ratio & Proportion	1
Geometry	1
Algebra	2
Probabilty	1

CSIR NET Life Science Exam Analysis (Shift 1): Good Attempts for Part B and C

The table below contains the number of attempts that can be counted as ideal in the CSIR NET Life Science Exam 2023, shift 1, for parts B and C.

Topics/Units	Number Of Good Questions Sec B	Number Of Good Questions in Sec C
Enzyme kinetics, Glycolysis, amino acid metabolism, thermodynamics, Pellagra- Vitamin B3.	3	3
Nuclear localization	2-3	4
Antibiotic- Mode of action, Fidelity of DNA replication, SOS repair, DNA packaging, DNA structure, Initiation, Operon	3	4
RTK pathway t cell Complement system- tuberculosis, MAPK, GAP-GEF	3-4	2-3
amphibian development (ectoderm and mesoderm differentiation) C. elegans sea urchin frog development ultrabithorax mutation	5-6	5
Plant products. Photosynthesis, plant adaptation, CAM cycle,Cell-cell movement of small molecules plants- plasmodesmata, hemidesmosomes Root vascular system plastoquinone related Chloroplast secondary metabolites, hormone, homeotic selector gene nitrogenase enzyme structure.	2	2
Colour Blindness, Hardy Weinberg, Allelic frequency,	1	1
Bryophyte life cycle	1	1
Kin selection, net primary productivity, habitat of various organisms,	2	3
Maximum likelihood, parsimony,	1	2
Microscopy- phase contrast, resolving power ELISA, RIA, Southern blotting, Mass Spec, RACE, PGE, Isoelectric focusing	3	2

CSIR NET Life Science Paper Review for Shift 1

The CSIR NET Life Science Exam paper, contains 2 sections, Part A, B, and C. We have reviewed the type of questions and their difficulty level in the different sections below.

CSIR NET Life Science June 2023 Exam Review for Part A of Shift 1

• The overall difficulty level for Part A in today’s Life Science exam (6th June, Shift 1) was Moderate to Difficult, as per the CSIR NET Life Science analysis and feedback from students. The questions were asked about the following topics, Blood relation, Ratio & Proportion, Algebra, Speed Distance, Probability, Blood relation, etc.

CSIR NET Life Science June 2023 Exam Review for Part B of Shift 1

• The overall difficulty level for Part B in today’s Life Science exam (6th June, Shift 1) was Moderate, as per the feedback from students and CSIR NET Life Science analysis. Most questions were asked from the following topics, Cell-cell movement of small molecules plants, Nephron, Inheritance Biology, Organelles and functions, Mammals of evergreen forests, etc.

CSIR NET Life Science June 2023 Exam Review 2023 for Part C of Shift 1

• The overall difficulty level for Part C in today’s Life Science exam (6th June, Shift 1) was Easy, as per the feedback from students. Questions were from Migrating birds, primary productivity of Ocean, Estuary, Forests, Organelles and functions, Ecology, Succession, Nephron, etc.

CSIR NET Life Science Exam Analysis (Shift 2): Difficulty Level

The table below contains an overall analysis of the difficulty level and topics with maximum weightage in the CSIR NET Life Science Exam.

Topic	Analysis
Overall Difficulty Level	Moderate
Difficulty Level of Section A	Medium to Moderate
Difficulty Level of Section B	Moderate
Difficulty Level of Section C	Easy

CSIR NET Life Science Exam Analysis (Shift 2): Topic-Wise Weightage

It is essential for the candidates to be aware of the topics with the maximum weightage and the number of questions asked from different topics to analyze the most important concepts of the CSIR NET Life Science Exam. In the tables below, we have provided detailed information on the topic-wise weightage of the different sections of the CSIR NET Life Science, 6th June, shift 2.

CSIR NET Life Science Topic Wise Weightage (Shift 2) for Part A

Part A of the Life Science Paper consists of questions based on the candidate’s General Aptitude. The candidates can check the table given below to analyze the number of questions asked in the CSIR NET Life Science Exam, Part A. Part A for the CSIR NET Life Science exam consists of the questions from:

Topics	Weightage
Probability	To be notified
Mean and medium	To be notified
Ratio & Proportion	To be notified
Secondary metabolites	To be notified
Signalling hormones	To be notified
To be notified	To be notified
To be notified	To be notified

CSIR NET Life Science Topic-Wise Weightage (Shift 2) for Part B and C

The table given below consists of the topic-wise weightage by analyzing the number of questions for the CSIR NET Life Science Exam, shift 2, Sections B and C. Part B and C of the Life Science exam include units such as:

Topics	Weightage in part B	Weightage in part C
Plant products. Photosynthesis, plant adaptation, CAM cycle	4-5	5
Colour Blindness, Hardy Weinberg, Allelic frequency,	3-4	4-5
Colour Blindness, Hardy Weinberg, Allelic frequency,	2	1
Bryophyte life cycle	1	2
Kin selection, net primary productivity, habitat of various organisms,	3-4	6-7
Maximum likelihood, parsimony,	2	3
Microscopy- phase contrast, resolving power ELISA, RIA, Southern blotting, Mass Spec, RACE, PGE, Isoelectric focussing	5-6	2-3

CSIR NET Life Science Analysis (Shift 2): Good Attempts

Analyzing the number of good attempts for the total questions in the CSIR NET Life Science Exam is important for the candidates to follow. We have provided detailed information on the number of good attempts for the CSIR NET Life Science, shift 2 of Part A, B, and C

CSIR NET Life Science Exam Analysis (Shift 2) Good Attempts for Part A

The table below contains the number of attempts that can be counted as ideal in the CSIR NET Life Science Exam 2023, shift 2, for Part A.

Topics	Good Attempts
Probability	2-3
Mean and medium	1-2
Ratio & Proportion	2-3
Secondary metabolites	2
signaling hormones	3

CSIR NET Life Science Exam Analysis (Shift 2): Good Attempts for Part B and C

The table below contains the number of attempts that can be counted as ideal in the CSIR NET Life Science Exam 2023, shift 2, for parts B and C.

Topics	Weightage in part B	Weightage in part C
Plant products. Photosynthesis, plant adaptation, CAM cycle	4-5	5
Color Blindness, Hardy Weinberg, Allelic frequency,	3-4	4-5
Bryophyte life cycle	1	2
Kin selection, net primary productivity, habitat of various organisms,	3-4	6-7
Maximum likelihood, parsimony,	2	3
Microscopy- phase contrast, resolving power ELISA, RIA, Southern blotting, Mass Spec, RACE, PGE, Isoelectric focussing	5-6	2-3
Enzyme Inhibitors
Logistic growth: graph
DNA polymerase
Long-day plant and short-day plant
Alpha helix and beta-sheet

CSIR NET Life Science Paper Review for Shift 2

The CSIR NET Life Science Exam paper, contains 3 sections, Part A, B, and C. We have reviewed the type of questions and their difficulty level in the different sections below.

CSIR NET Life Science June 2023 Exam Review for Part A of Shift 2

• The overall difficulty level for Part A in today’s Life Science exam (6th June, Shift 2) was Moderate, as per the CSIR NET Life Science analysis and feedback from students. The questions were asked about the following topics, Mean and medium, Probability, Ratio & Proportion, 

CSIR NET Life Science June 2023 Exam Review for Part B of Shift 2

• The overall difficulty level for Part B in today’s Life Science exam (6th June, Shift 2) was Moderate, as per the feedback from students and CSIR NET Life Science analysis. Most questions were asked from the following topics, Plant products. Photosynthesis, plant adaptation, CAM cycle, Colour Blindness, Hardy Weinberg, Allelic frequency, Bryophyte life cycle, Maximum likelihood, parsimony.

CSIR NET Life Science June 2023 Exam Review 2023 for Part C of Shift 2

• The overall difficulty level for Part C in today’s Life Science exam (6th June, Shift 2) was Easy, as per the feedback from students. Questions were from Microscopy- phase contrast, resolving power
  ELISA, RIA, Southern blotting, Mass Spec, RACE, PGE, Isoelectric focussing, Enzyme Inhibitors, Logistic growth: graph, Long day plant and short-day plant, Alpha helix, and beta-sheet.

CSIR NET Life Science Expected Cut Off

The different tables below contain information on the expected CSIR NET cut off marks for the life science exam for all the categories We have provided the table below that contains the expected cutoff marks for JRF and Assistant Professor for candidates.

Expected Cut off for JRF

Category	Expected Cutoff Marks (%)
General	98.786
SC	86.068
ST	90.532
OBC	96.783
EWS	96.053

Expected Cut off for Assistant Professor

Category	Expected Cut off Marks (%)
General	97.011
SC	79.823
ST	86.383
OBC	93.291
EWS	93.873

Questions Asked in CSIR NET Life Science Exam 2023 (Shift 1)

The table below contains a glimpse of the questions asked in the CSIR NET Life Sciences Exam, Shift 1, on 6th June from all the sections:

1. A square is folded two times and the resulting square is obtained two triangles and two circles are cut out of it

     What will be the resulting structure obtained

2. 

Mary and Mike are married Johan is the brother of Mary Douglass is the brother of Mike. Mary and Mike have 2 children. Johan has three children and Douglas has 2 children. How many pair of first-cousin are there?

1. –
2.  6
3. 10
4.  –

3. 

When 6 students six are on a bench one bench remains completely unoccupied. When 5 students sit on the bench 1 student is left out. How many students are there? 

1. 30
2. 31
3. 36
4. 42

4. What is the probability of drawing one black card and one red card from a standard deck of 52 cards?

5.Sum of the numbers of across the row, column diagonal are same find the values of x, y, z

6. Primary succession flows which type of survivorship curve?

7. Match the following related to wildlife sanctuaries etc.

8. Human karyotype given. identify the genetic disorder from the picture. Options: normal human, euploid, Klinefelter syndrome (correct)

9. RBC hemolysis will occur at

1.  0.5 % NaCl
2. 1.0 % NaCl
3. 1.5% NaCl
4. 2.1% NaCl

Questions Asked in CSIR NET Life Science Exam 2023 (Shift 2)

The table below contains a glimpse of the questions asked in the CSIR NET Life Sciences Exam Shift 2, on 6th June from all the sections:

1. What is the probability of obtaining a total sum of at least 4 when rolling two dice?
2. How many straight lines are required to draw in order to form 9 smaller rectangles from a single complete rectangle?

a) 3  b) 4   c) 5   d) 7

3. Blastocoel occur in Avian development occur in –
Hypoblast-Epiblast , Kollickers-Hypoblast , other

4. Question on spermatogenesis – do sperm cells have receptors of gACE

5. Which plant dispersion secrete molecules that inhibit its own species

6. How many nadh fadh2 and gtp. From one acetyl co A enter in kreb cycle

7. Identifying Correct statements : Chemotaxis by Bindin, Autonomous-Conditional specification decide cell fate or not & other

8.  Absicic acid signalling events occur – options: Ca2+outflux, K+ flux, Receptor binding.