Title K-2818 (Life Science) (Paper - II).pdf ✅

Test Paper : II Test Subject : Life Sciences Test Subject Code : K-2818 Roll No. OMR Sheet No. : ____________________ Name & Signature of Invigilator/s Signature : _________________________________ Name : _________________________________ Time : 2 Hours Maximum Marks : 200 Number of Pages in this Booklet : 16 Number of Questions in this Booklet : 100 K-2818 1 ±Üâ.£.®æãà./P.T.O. Instructions for the Candidates 1. Write your roll number in the space provided on the top of this page. 2. This paper consists of Hundred multiple-choice type of questions. 3. At the commencement of examination, the question booklet will be given to you. In the first 5 minutes, you are requested to open the booklet and compulsorily examine it as below : (i) To have access to the Question Booklet, tear off the paper seal on the edge of the cover page. Do not accept a booklet without sticker seal or open booklet. (ii) Tally the number of pages and number of questions in the booklet with the information printed on the cover page. Faulty booklets due to pages/questions missing or duplicate or not in serial order or any other discrepancy should be got replaced immediately by a correct booklet from the invigilator within the period of 5 minutes. Afterwards, neither the Question Booklet will be replaced nor any extra time will be given. 4. Each item has four alternative responses marked (A), (B), (C) and (D). You have to darken the circle as indicated below on the correct response against each item. Example : A B C D where (C) is the correct response. 5. Your responses to the questions are to be indicated in the OMR Sheet kept inside this Booklet. If you mark at any place other than in the circles in the OMR Sheet, it will not be evaluated. 6. Read the instructions given in OMR carefully. 7. Rough Work is to be done in the end of this booklet. 8. If you write your name or put any mark on any part of the OMR Answer Sheet, except for the space allotted for the relevant entries, which may disclose your identity, you will render yourself liable to disqualification. 9. You have to return the test OMR Answer Sheet to the invigilators at the end of the examination compulsorily and must not carry it with you outside the Examination Hall. 10. You can take away question booklet and carbon copy of OMR Answer Sheet after the examination. 11. Use only Blue/Black Ball point pen. 12. Use of any calculator, electronic gadgets or log table etc., is prohibited. 13. There is no negative marks for incorrect answers. 14. In case of any discrepancy found in the Kannada translation of a question booklet the question in English version shall be taken as final. A»Ü¦ìWÜÚWæ ÓÜãaÜ®æWÜÙÜá 1. D ±Üâo ̈Ü ÊæáàÆᤩ¿áÈÉ J ̈ÜXÔ ̈Ü ÓܧÙÜ ̈ÜÈÉ ̄ÊÜá3⁄4 ÃæãàÇ... ®ÜíŸÃÜ®Üá° ŸÃæÀáÄ. 2. 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*K2818* Total Number of Pages : 16 Paper II 2 K-2818 1. An open reading frame contains 333 nucleotides. The number of amino acids in the protein synthesized from this ORF will be (A) 111 (B) 110 (C) 109 (D) 333 2. Plant movement that takes place in response to touch stimulus is called as (A) Thigmotrophic movement (B) Chemotrophic movement (C) Hydrotrophic movement (D) Osmotrophic movement 3. Color blindness is an X-linked recessive disorder. If a child is born to a normal father and carrier mother, what will be the probability that the child is color blind ? (A) 3/4 (B) 2/4 (C) 1/4 (D) 4/4 4. Which techniques are used to study the transcription process in the cell ? (A) Northern and Western blot analysis (B) PCR and Restriction digestion (C) Northern blot and In-situ hybridization (D) Southern blot and ELISA life Sciences Paper – II Note : This paper contains Hundred (100) objective type questions. Each question carries two (2) marks. All questions are compulsory. 5. Radioactive Sulphur (S35) was used to label the T4 phage coat protein. When the phage was infected to equalize cells and the cells were precipitated by centrifugation. S35 labelled protein was found with (A) Cell precipitate (B) Cell supernatant (C) Cell lysate (D) E.coli proteins 6. Metagenomics deals with (A) Isolation of soil bacteria (B) Study of gene expression during metabolism (C) Gene expression (D) Culture independent analysis of biodiversity 7. Bats belong to which phylum ? (A) Reptilia (B) Amphibia (C) Aves (D) Mammalia 8. Which element is replaced by Strontium 90 in bones ? (A) Potassium (B) Sodium (C) Calcium (D) Selenium
*K2818* Total Number of Pages : 16 K-2818 3 Paper II 9. Ergosterol is specific to (A) Plants (B) Animals (C) Bacteria (D) Filamentous fungi 10. Identify the right sequence of Ig gene segment joining that results in the production of functional heavy chain of immunoglobulin. (A) VJC (B) CVJ (C) CDJV (D) VDJC 11. Almost all major animal body plans seen today are found in which of the earliest fossils ? (A) Cambrian (B) Carboniferous (C) Cretaceous (D) Jurassic 12. Trisomy of chromosome 18 in human results in (A) Down’s syndrome (B) Burkitt’s lymphoma (C) Spontaneous abortion (D) Edward’s syndrome 13. During abiotic stress, plants accumulate (A) Acetyl salicylate (B) Proline (C) Oxalate (D) Malate 14. Which of the following is NOT a living fossil ? (A) Coelacanths (B) Horseshoe crab (C) Crocodile (D) Archeopterix 15. Digger wasp will immobilize a prey, drag it to the hole in the ground, enter the hole, inspect it, place the prey in the hole and lay an egg on the prey and close the hole. If during this cycle of events, any one of the actions get interrupted, it will go through the entire sequence once again. This is an example of (A) Innate behaviour (B) Imprinting (C) Learnt behaviour (D) Trial and error behaviour 16. During bacterial conjugation, the directional transfer of DNA from donor to recipient occurs when (A) Both conjugating cells are F+ and F– (B) F factor is integrated into donor chromosome (C) Both conjugating cells are F– and F– (D) The conjugating cells are under nutritional stress
*K2818* Total Number of Pages : 16 Paper II 4 K-2818 17. Flow cytometry is generally used (A) To study localization of protein in the cell (B) To study biomolecular interactions (C) For identification of cell organelles (D) For identification of cell types 18. Which one of these animal groups have the following characteristics ? i. A body with trunk and tail and ii. Notochord extending from rostrum to tail Choose the right phylum with above characteristics : (A) Cephalochordata (B) Hemichordata (C) Echinodermata (D) Urochordata 19. Which one of the following cells do NOT contain nuclei ? (A) Liver cells (B) Platelet cells (C) Sperm cells (D) Ovarian cells 20. Naturally occurring phosphoprotein is (A) Serum albumin (B) Lacto globulin (C) Casein (D) Hemoglobin 21. Which of the following is NOT a component of MAP kinase pathway ? (A) MAPKKK (B) ERK (C) MEK (D) JNK 22. Transducin is a G-protein involved in which of the following biological processes ? (A) Olfaction (B) Taste (C) Vision (D) Touch 23. In which of the following model organism gene mapping can be made by tetrad analysis ? (A) Arabidopsis thaliana (B) Escherichia coli (C) Caenorabditis elegans (D) Neurospora crassa 24. Ions can move from one cell to another directly passing through (A) Desmosomes (B) Gap junctions (C) Phagosomes (D) Intermediate filaments 25. Which one of the following is an example for genomic variation ? (A) Copy number variation (B) RAPD (C) Restriction mapping (D) Fluorescence in-situ hybridization 26. Animal cell culture is quite popular in producing (A) Lipids (B) Enzymes (C) Amino acids (D) Vaccines