Latest Life Sciences JRF NET Mock Test 21, Dec 2018 By admin - August 14, 2018 0 20 Facebook Twitter Google+ Pinterest WhatsApp NET Life Sciences Old Papers NET Life Sciences Mock Test Welcome to Life Sciences CSIR Mock Test 21 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. Negative potential across the plasma membrane is maintained by: Passive transport Active transport Ion channels Transporters 2. Among the following which data alone are capable for preparing the dendrogram from the given operational taxonomic unit (OUT)? Similarity matrix Criteria for classification Characters taken into account Mean of similarity 3. Area under forest covers in India as per estimates of 2001: 708,273 square km 12.7 square km 1666 square km 20.6 X 10 square km 4. During transposition, transposons are excised by: Topoisomerase enzyme Transposase enzyme Nuclease enzyme Exonuclease enzyme 5. Receptor-mediated endocytosis is carried out by specific proteins of membrane termed as: Exocytosis Endocytosis Coated pits Coated vesicles 6. Renaturation of human genome has revealed that it contains both repetitive and non-repetitive sequences. Which statement is correct? Unique sequences renaturate fast Repetitive sequences renaturate fast Repetitive sequence rare located only to centromeres Human have more unique sequences 7. Which of the following is a characteristic feature of the climax community? High resilience Narrow niche specialization Simple food chain High productivity 8. In which of the following condition, the realized niche exceed over the fundamental niche? Commensalism Mutualism Ammensalism Competition 9. Highest extinction during the history of earth was observed during: End of Permian End of cretaceous End of Devonian End of Carboniferous 10. In Drosophila XO are males and XXY are female while in human XX are female and XY are males. On the basis of given information which statement is NOT true? In humans, sex determination is based on the number of X chromosome to sets of autosomes. Y chromosome is sex determinant in Humans Y chromosome does not play any role in sex determination in Drosophila In Drosophila, sex determination is based on the number of X chromosome to sets of autosomes. 11. Which of the following statement is correct with reference to replication in eukaryotes? Single origin and continuous replication Multiple origin and continuous and discontinuous replication Multiple origin and continuous replication Single origin and continuous and discontinuous replication 12. In honey bees, males are developed parthenogenetically while workers are developed after sexual reproduction. The workers exhibit more similarity among themselves as compared to the queen. If the workers start giving organism parthenogenetically then the offspring would most likely resemble to: Among themselves and with queen Among themselves and slightly differ from mother Among themselves and with mother Among themselves and with father 13. Gene for the fungal resistance is found in the cytoplasm. If a susceptible female and resistant male are crossed then progeny will exhibit: All susceptible Cannot be predicted Half resistance and half susceptible All resistance 14. Immunological diversity in the antibody is generated by: Posttranscriptional modifications Posttranslational modifications Alternative RNA processing Rearrangement of immunoglobulin genes 15. Which of the statement regarding the plasma cell is correct? They are mature antibody secreting cells Involved in inflammatory responses They are involved in the removal of intracellular viruses They are produced during secondary immune response You 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 InboxWe will not spam your account…Enter your e-mail addressDon’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.