NET Life Science Model Question Paper 20 (June 2018) NET Life Sciences Old Papers NET Life Sciences Mock Test Welcome to Life Sciences CSIR Mock Test 20 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. Which of the following DO NOT bring variation in population? Recombination Natural selection Non-random drift Random drift2. Ecological adaptations in which some organisms are favored due to more energy investment on their reproductive rate while other on basis of channelizing energy for homeostasis. Such a selection strategies are termed as: Logistic and exponential selection Directional and disruptive selection K-selection and r-selection Kin and group selection3. In TCA cycle malonate is competitive inhibitor which structurally similar to: Fumarate Oxaloacetate α-ketoglutarate Succinate4. After meiosis, the 20% gametes are recombinant for two genes. The distance between two genes will be: 05 cM 20 cM 10 cM 40 cM5. If the repressor of lac operon binds to the operator, it will lead to: Differential gene expression Switch off transcription Enhanced transcription Switch on transcription6. Among the following which microorganism is involved in nitrogen fixation with wood trees? Frankia Rhizobium Azospirillum Azobacter7. Receptors for the signaling for steroid hormones are located at: No receptor Organelle membrane Intracellularly Plasma membrane8. The primary acceptor of CO2 in photosynthesis is: Ribulose 1,5-bisphosphate 3-phosphoglycerate Ribose Ribulose 5-P9. In signal transduction trimetric G protein with α, β and γ is involved. Which subunit will activate adenylate cyclase? Beta subunit Alpha subunit Gamma submit All three10. Genes between related organism exhibit high variation. The variations would maximally occur in: Promoters Exons Polyadenylation site Introns11. If activator binds to repressor, it will prevent Binding of repressor to promoter Binding of RNA polymerase to promoter Binding of repressor to operator Transcription12. Among closely laying cells the signal are communicated through: Cell membranes Neurotransmitters Gap junctions Hormones13. Which mineral ion play important role in functioning of photosystem II? Magnesium Manganese Molybdenum Iron14. In chromosomes, the 30 nm fibres during metaphase attach to: Scaffold Centromere Nuclear matrix Nuclear lamina15. The possible type of gametes formed from genotype AABbCCDdEe will be: 4 8 32 16You 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 Model Questions, NET Life Sciences Model Questions and tagged CSIR JRF NET June 2018, NET Life Sciences Mock Test, NET Life Sciences Model Questions, NET Life Sciences Practice Questions.