JRF NET Life Sciences Model Question Paper 17 (June 2018 Mock Test) NET Life Sciences Old Papers NET Life Sciences Mock Test Welcome to Life Sciences CSIR Mock Test 17 This Mock Test consists of 15 questions in MCQ format. At the end of the mock test, you have to click on the 'SUBMIT' button to see your Score and the Correct Answers. Please click on the 'NEXT' button to Start the Mock Test... 1. A region adjacent to the structural genes of trp operon which acts in the presence of the amino acid tryptophan to reduce the rate of transcription from the structural genes is called: Attenuator Enhancer Anti-terminator Terminator2. The equation D = Σ(n/N)^2 represents: Hills equation Shannon weaver index Bronaulli index Simposon index3. A test to determine whether two mutant sites of a gene are in the same functional unit or gene: Reverse phylogenetics Trans-cis test Cis-trans test Ames test4. Which among the following is not a density independent-factor affecting population? Food Temperature Nutrients Competition5. The change of one conformation of a protein into another is called: Allosteric transversion Allosteric transition Apoprotein transversion Apoprotein transition6. Abscisic acid can be degraded by Oxidation and conjugation reduction and conjugation Oxidation and reduction light and oxidation7. A functional genetic unit within which two mutations cannot complement is called: Cistron Muton Polycistron Recon8. An object of 1.5 m height is placed 8.5 m away from the human eye and image is formed on the retina which is 1.7 cm away from the lens. The size of image will be: 3 cm 3 m 3 mm 0.3 μm 9. Honey bees keep genetic variations among the workers by: Extensive recombination during oogenesis Mitotic crossing over Parthenogenesis Matting with males many times10. The production of a wild-type phenotype in bacteria when two different mutations are combined in a diploid is called: Gene replacement Back-karyotyping Genetic Complementation11. Hematopoietic stem cells are found in Lymphoid organs Spleen Skin Bone marrow12. Gram-positive bacteria are further classified at generic and species level by analysis of: Cell membranes Cell wall Proteins DNA 13. In E. coli the complementation test is done on Merozygotes Heterokaryons Haploids Transformation14. Under which condition of natural selection no allele would be lost? Heterozygote is not favoured Anyone homozygote is favoured Heterozygotes are favoured Both homozygotes are favoured15. Townsend's cordgrass (Spartina X townsendii) is formed as a result of: Grafts Intergeneric hybridization Interspecific hybridization CultivarsYou have reached at the End of this Mock Test. Please Click 'SUBMIT' button to see your Score and the Correct Answers... More Online Mock Tests… Please follow the links below… CSIR JRF NETICMR JRFDBT BET JRFGATE - BTGATE XL Bioche.GATE XL Micro.GATE XL BotanyGATE XL ZoologyGATE XL Food Tec.GATE EY EcologyIIT JAM - BTIIT JAM - BLGS - BiologySET - BotanySET - ZoologyNEET Get our Updates on CSIR NET Life Sciences in your E-mail Inbox We will not spam your account… Enter your e-mail address Don’t forget to Activate your Subscription…. Please See Your E-Mail… Browse more in Easy Biology Class… Lecture NotesBiology PPTVideo TutorialsBiology MCQQuestion BankDifference betweenPractical AidsMock Tests (MCQ)Biology Exams If you like this post, Please COMMENT . . . . (below ↓) Please Share with your Friends, Relatives, Students and Colleagues… No related posts. Posted in CSIR / ICMR / DBT / ICAR, CSIR NET Mock Test, CSIR NET Model Questions, Mock (Practice) Tests and tagged NET Life Sciences Mock Test, NET Life Sciences Model Questions, NET Life Sciences Practice Questions.