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MCQ 015 ICMR JRF Exam July 2015 Model Question Paper with Answers and Explanations Part 3

ICMR JRF Exam Model question paper 03 with answers and explanations
Previous year question paper, mock test for the 2015 examination
CSIR JRF NET Life Sciences June 2015 Model question papers by easybiologyclass
Model question paper of ICMR JRF examination

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MCQ 015 ICMR JRF Exam July 2015 Model Question Paper with Answers and Explanations Part 3

  1. 1. MCQ 015 Save paper… Save trees… For more Questions and Resources for your CSIR/ICMR/DBT/ICAR/UGC/JRF NET Life Science Examination please visit: www.easybiologyclass.com 1 Biology MCQ (Multiple Choice Questions in Life Science) (Sample/Model/Practice Questions for JRF/NET Life Science Examination, ICMR JRF, DBT JRF, GATE, ICAR NET, PG Entrance) ICMR JRF Entrance Examination 2015 Model Questions with Answers and Explanations Part 3 (MCQ 015) 1. Pick out the correct taxonomic hierarchy in zoological systematics. a. Phylum – Class – Order – Family – Genus b. Class – Phylum – Order – Family – Genus c. Phylum – Class – Family – Order – Genus d. Phylum – Class – Order – Genus – Species 2. In molecular systematics of animals, which for the following candidate gene have been extensively used? a. DNA Polymerase b. Cytochrome C c. RNA Polymerase d. Collagen 3. The most probable place where life would have originated _________‐‐. a. Outer space b. Barren rocks c. In oceans d. Deep hydrothermal vents 4. Which of the following factor is least responsible for genetic drift? a. Migration b. Founder effect c. Bottle neck phenomenon d. Restriction of resources 5. In stomach, the mucus which protect the epithelial lining of stomach, is secreted by: a. Goblet cells b. Parietal cells c. Microvilli d. Aciner cells 6. In a population with Hardy‐Weinberg equilibrium, two alleles ‘b’ and ‘B’ showed an allelic frequency of 0.7 and 0.3 respectively. How many individuals in a sample of 250 from this population can be expected to be heterozygous (bB)? w w w .easybiologyclass.com
  2. 2. MCQ 015 Save paper… Save trees…   For more Questions and Resources for your CSIR/ICMR/DBT/ICAR/UGC/JRF NET Life Science Examination please visit: www.easybiologyclass.com 2   a. 55 b. 105 c. 110 d. 42 7. Chitin is a major cell wall component of __________ a. Bacteria b. Arthropods c. Fungus d. Mollusks 8. The anti‐cancerous drug obtained from Catharanthus roseus is__________. a. Taxol b. Vincristine c. Colchicine d. Serpentine 9. Yeast with petite colony when crossed with wild type generates no petite colony. The most probable mode of inheritance is __________ a. Chloroplast b. Mitochondria c. Episomal d. Nuclear 10. An oligonucleotide DNA sequence tagged with fluorescent tag used to identify unknown gene by hybridization is termed as a. Probe b. Reporter gene c. Ligand d. c‐DNA 11. Bacteria undergo multiplication by: a. Binary fission b. Mitosis c. Fission and Mitosis d. Fragmentation 12. Bacterial DNA polymerase I lack which of the following activity? a. 5’ → 3’ polymerase activity b. 3’ → 5’ polymerase activity c. 5’ → 3’ exo‐nuclease activity d. 3’ → 5’ exo‐nuclease activity w w w .easybiologyclass.com
  3. 3. MCQ 015 Save paper… Save trees…   For more Questions and Resources for your CSIR/ICMR/DBT/ICAR/UGC/JRF NET Life Science Examination please visit: www.easybiologyclass.com 3   13. A cross between a red eyed male fly and a white eyed female fly produces red eyed female and white eyed male progenies. While reciprocal cross produces all offspring with red eyes. The trait for eye colour is: a. Sex linked traits b. Sex influenced trait c. Sex linked homogametic male d. Sex linked heterogametic male 14. The natural habitat of Nilgiri‐tahr is a. Shola grasslands b. Nilgiri forests c. Shola grasslands and Nilgiri forests d. At high altitudes of South‐Western Ghats 15. When releasing factor binds to stop codon on m‐RNA during translation, the synthesized peptide chain is transferred to a. t‐RNA b. Water c. H+ d. Amino acids 16. Location of Glutamate synthetase enzyme in plants is: a. Only cytoplasm b. Only chloroplast c. Both in cytoplasm and chloroplast d. In mitochondria 17. Which is true for β‐oxidation of fatty acids a. Formation of malonyl CoA b. Formation of acetoacyl ACP c. Transport of Acyl CoA into mitochondria d. Use of NADPH2 18. The radio isotope which is usually incorporated into thymine to study DNA replication process is a. 32P b. 35S c. 3H d. 14C 19. Enzymes accelerates rate of reaction by: a. Lowering number of transition states b. Lowering the activation energy of highest transition state c. Providing energy to substrate w w w .easybiologyclass.com
  4. 4. MCQ 015 Save paper… Save trees…   For more Questions and Resources for your CSIR/ICMR/DBT/ICAR/UGC/JRF NET Life Science Examination please visit: www.easybiologyclass.com 4   d. Providing more chance to substrates to react together 20. Enzyme never interfere with: a. Free energy of reaction b. Rate of reaction c. Activation energy of transition state d. Reaction equilibrium 21. As we move from one geographical region to next neighbouring region, species diversity tends to change. It is termed as a. α‐diversity b. β‐diversity c. γ‐diversity d. δ‐diversity 22. Globular proteins when treated with organic solvents get denatured. The main interaction which is affected on treatment with organic solvent is: a. Hodrogen bonds b. Covalent bonds c. Ionic interactions d. Hydrophobic interactions 23. Which region of visible light is most useful for photosynthesis? a. Blue and red b. Green and red c. Violet and blue d. Green and blue 24. Fog, which is commonly observed during winter is mainly seen at a. Low altitude with pollution b. High altitude without pollution c. High altitude with pollution d. Low altitude without pollution 25. What would be the effect of increasing humidity in the rate of transpiration? a. Rate of transpiration will decrease b. Rate of transpiration will increase c. Initially the rate will be low then it will be high d. Rate of transpiration will be unaffected w w w .easybiologyclass.com
  5. 5. MCQ 015 Save paper… Save trees… For more Questions and Resources for your CSIR/ICMR/DBT/ICAR/UGC/JRF NET Life Science Examination please visit: www.easybiologyclass.com 5 For correct answers and explanations click below (http://www.easybiologyclass.com/biology‐mcq‐multiple‐choice‐questions/ You may also like… Biology MCQ Biology Mock Test CSIR Lecture Notes CSIR Previous Year Questions Biology PPT Biology Video Tutorials You can download this question paper from our SLIDESHARE account Visit www.easybiologyclass.com for more…. w w w .easybiologyclass.com

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