CSIR Net Life Sciences Questions with detailed solutions, download PDF

Scientific and Industrial Research National Eligibility Test (CSIR NET) Council is one of the most prestigious exams for researchers and academics in India. To be held from 28 February 2025 to 2 March 2025, the exam serves as a gateway for Junior Research Fellowship (JRF) and is eligible for lectures in universities and colleges across India. For the candidates preparing for Life Sciences Paper, questions are given below with a detailed solution with access to CSIR net life sciences.

CSIR Net Life Sciences Questions with detailed solution

Preparation for CSIR NET Life Sciences Exam requires a deep understanding of the subject with practice through previous years and practice through fake tests. Solving CSIR Net Life Sciences Questions with a detailed solution helps candidates understand the examination pattern, identify important subjects and improve problems-solution skills. These solutions provide step-by-step explanation, making it easier for candidates to understand complex concepts and avoid general mistakes.

CSIR NET Life Sciences: Overview

The CSIR Net Life Sciences Examination is a high competitive test to conduct the eligibility of candidates for Junior Research Fellowship (JRF) and lectureship in Indian universities and colleges. To be held from 28 February 2025 to 2 March 2025, it evaluates the understanding of knowledge, analytical skills and life sciences of the candidates. The examination is divided into three parts. The total duration of the examination is 3 hours, and the maximum marks are 200. Below is a detailed observation of exam pattern and mark distribution in a brief table format:

CSIR NET Life Sciences Question Download with detailed solution

To assist in your preparation, you can download CSIR NET Life Sciences Questions with a detailed solution in PDF format. By practicing these questions, you can strengthen your ideological understanding, improve time management and increase your confidence for exams.

CSIR NET Life Sciences Questions

Q1. Which of the following enzymes do not catalyze the oxidation of a substrate by reducing the electron acceptor, NAD,?
(A) lactate dehydrogenase
(B) Pyruvet dehydrogenase
(c) Succinate dehydrogenase
(D) Isocitrate dehydrogenase

Q2. The pH of endocytic vesicles is 5.2, and the pH of gastric juice is 2.0. A in endocytic vesicle [H+]he is:
(A) 15.85 times less than gastric juice.
(b) 0.1585 times less than gastric juice.
(c) 158.5 times less than gastric juice.
(d) 1585 times less than gastric juice. ,

Q3. A strand of a pelindromic DSDNA is made up of 5 GG-CCCGCGGGGG-3 ′. Which of the following forms of nucleic acid structures will be adopted in water if meaning and antisancy strands are mixed in equal proportions, followed by annealing?
(A) One-form of double-trapped nucleic acid
(B) B-Form of double-trapped nucleic acid
(c) Z-form of double-trapped nucleic acid
(d) Both will remain as single varieties

Q4. Which of the following pairs of metabolism intermediate does not provide a backbone carbon skeleton for synthesis of amino acids?
(a) Succina and citrate
(B) 3-phosphoglyserate and phosphoenolpairoweight
(c) Ribose 5-phosphate and erythrose 4-phosphate
(D) α-cetoglutarate and oxaloacetate

Q5. E. Fifteen spontaneous Ara⁻ mutants of coli are unable to use Arabinose as the only carbon source at 42 ° C, but were able to use it at 30 ° C, wasolated. Based on the above information, which of the following options represents the most potential type of mutation?
(A) deletion
(b) attack
(c) Framshift Mutation
(d) Miss-Sense Mutation

Q6. Which of the following statements is correct about the distribution of chromosomes within the interface nucleus of a mammalian cell?
(A) The chromosomes are randomly distributed within the atomic volume.
(B) Jean-poor chromosomes move towards atomic envelopes.
(c) Large chromosomes are detected in the atomic perimeter.
(D) The central region of all chromosomes focus in the center of the nucleus.

Q7. Which cell cycle phase is usually the smallest in mammalian cells?
(a) G0 phase
(b) G1 phase
(c) G2 phase
(d) mitosis

Q8. Porin, which usually present on the external mitochondrial membrane, reach its destination:
(A) Direct synthesis of porin on mitochondrial membrane by mitochondrial protein synthesis machinery.
(B) Transport through synthesis and vesicles in mitochondria on ER.
(c) Synthesis in cytosols, imports by Tom Complex, and insertion from inter-mitochondrial membrane location.
(d) Synthesis in cytosol, imports by Tim complex, and insertion in the membrane.

Q9. During replication, the over-winding of DNA is caused by ____ and is removed by ____:
(A) primes, topoisomerez
(b) Primes, single-trapped binding protein
(c) Helicopter, gyrase
(D) Helicopter, DNA Polymerase

Q10. P-bodies RNA and cytoplasmic collections of protein are discontent that includes:
(A) Dedeniation, Decapping and MRNA fall
(b) Dedeniation and MRNA fall
(c) Dedenilation and decapping only
(d) only decapping and mRNA fall

Solution

S1. Year. (C)

S2. Ans. (D)

S3. Year. (B)

S4. Year. (Is)

S5. Year. (D)

S6. Ans. (B)

S7. Year. (D)

S8. Year.

S9. Year. (C)

S10. Ans. (a)

Benefits of CSIR NET Life Sciences Questions

• Better understanding: Detailed explanations increase your understanding of the subject matter and help you add different concepts.
• Increased problem-solution skills: Working through the solution exposes different problems-social approaches and helps you develop your own strategies.
• Better Time Management: Practicing with previous year papers under time -bound circumstances helps you improve your speed and accuracy.
• Increase in confidence: Solving different types of questions and understanding solutions promotes your confidence and reduces the concern of the exam.

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