Life Science NET Model Question Paper 23 (December 2018) NET Life Sciences Old Papers NET Life Sciences Mock Test Welcome to Life Sciences CSIR Mock Test 23 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. 1. Glycoconjugates on the proteins in the intracellular membranes are oriented toward Cytoplasmic face Embedded in membrane On both sides Lumen side2. The book by Rachel Carson -‘Silent Spring’ is related with: Environmental pollution Effect of pesticides on non-target organism Use of pesticides in agriculture Flowering in spring season3. Which of the following can induce SOS response in bacteria? 5-Fluro Uracil 2-Aminopurine Hydroxylamine Thymidine dimmers4. Cyanobacteria out competes the green algae in eutrophic lakes due to organic pollutions because they can Fix nitrogen, so it is not a limiting factor for them Low light is required for photosynthesis Tolerate low oxygen level Tolerate high phosphorus level5. Numerical taxonomy involves: Evolutionary relationship Molecular taxonomy Phylogenetic relationship Overall similarity6. The circadian rhythms are controlled by: Suprachiasmatic nucleus Medulla Pituitary gland Cortex7. Among the following which plant families can be separated on basis of inflorescence Asteraceae & Apiaceae Solanaceae & Asteraceae Asteraceae & Euphorbiaceae Leguminosae & Euphorbiaceae8. The DNA sequence responsible for the chromatid separation is: Telomere Centromere Kinetochore Satellite9. Which of the histone protein is not involved in nucleosome assembly? H4 H1 H2A H2B10. Organism inhabiting the water scarce environment are likely to be: Ureotelic To have small kidney size Ammonotelic Uricotelic11. Synthesis of betalain is a characteristic of family: Asteraceae Solanaceae Chenopodiaceae Caryophyllaceae12. In a massive earthquake on an island, only a few related species of lizards survived and occupied the island. The phenomenon is also referred to as: Bottle Neck effect Darwin’s effect Vodka-Bertoni effect Founder effect13. On buyout density centrifugation, certain DNA band was observed as high peak corresponding to low density of other DNA. It means: Single-stranded DNA DNA is GC rich Equal AT to GC ratio DNA is AT-rich14. The mechanism of action of steroid hormone is: Hormone moves to nucleus and starts transcription Binding to cytosolic receptor and hormone-receptor complex and activates target gene expression Hormone effect mainly protein synthesis Binding to membrane receptor and activating secondary messenger15. What is prophage? DNA of temperate phage inserted into host chromosome λ phage DNA Stage of cell cycle A transposonYou 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, MCQ (Multiple Choice Questions), Mock (Practice) Tests and tagged CSIR JRF NET Dec 2018, NET Life Sciences Mock Test, NET Life Sciences Model Questions, NET Life Sciences Practice Questions.