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. Among closely laying cells the signal are communicated through: Cell membranes Hormones Neurotransmitters Gap junctions2. Genes between related organism exhibit high variation. The variations would maximally occur in: Polyadenylation site Exons Introns Promoters3. 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: K-selection and r-selection Directional and disruptive selection Logistic and exponential selection Kin and group selection4. In chromosomes, the 30 nm fibres during metaphase attach to: Centromere Scaffold Nuclear matrix Nuclear lamina5. In signal transduction trimetric G protein with α, β and γ is involved. Which subunit will activate adenylate cyclase? Beta subunit All three Alpha subunit Gamma submit6. If activator binds to repressor, it will prevent Transcription Binding of repressor to promoter Binding of repressor to operator Binding of RNA polymerase to promoter7. The possible type of gametes formed from genotype AABbCCDdEe will be: 32 8 16 48. Which mineral ion play important role in functioning of photosystem II? Manganese Molybdenum Iron Magnesium9. If the repressor of lac operon binds to the operator, it will lead to: Switch off transcription Enhanced transcription Switch on transcription Differential gene expression10. In TCA cycle malonate is competitive inhibitor which structurally similar to: α-ketoglutarate Succinate Oxaloacetate Fumarate11. Receptors for the signaling for steroid hormones are located at: Organelle membrane No receptor Plasma membrane Intracellularly12. After meiosis, the 20% gametes are recombinant for two genes. The distance between two genes will be: 05 cM 40 cM 20 cM 10 cM13. Among the following which microorganism is involved in nitrogen fixation with wood trees? Rhizobium Frankia Azospirillum Azobacter14. The primary acceptor of CO2 in photosynthesis is: 3-phosphoglycerate Ribose Ribulose 1,5-bisphosphate Ribulose 5-P15. Which of the following DO NOT bring variation in population? Recombination Random drift Natural selection Non-random driftYou 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.