| 26th August 2014 08:03 AM | |
| Raman Vij | Re: WBJEE Last years solved question paper This is the WBJEE biology Last years solved question paper: WBJEE biology Last years solved question paper Question 1 A prokaryotic cell lacks: A nucleus B nuclear membrane C membrane bound organelles D all of the above Question 2 Extranuclear inheritance is a consequence of the presence of genes in: A ER and mitochondria B lysosomes and ribosomes C ribosomes and chioroplast D mitochondria and chloroplasts Question 3 Vesicles of Smooth Endoplasmic Reticulum (SER) are most likely on their way to: A plastids B I ysosomes C nucleolus D Golgi apparatus Question 4 Lysosomes are the store house of: A ATP B sugar C proteins D hydrolytic enzymes Question 5 lipids are insoluble in water, because lipid molecules are: A neutral B Zwitter ions C hydrophobic D hydrophilic Question 6 Which of the following is the simplest amino acid? A Glycine B Alanine C Tyrosine D Asparagine Question 7 Carbohydrates, ingested in the diet, are hydrolyzed by the enzyme: A pepsin B cellulose C a-amylase D glycosidase Question 8 Stomach is the site of digestion mainly for: A fats B proteins C carbohydrates D all of these Question 9 Which proteolytic enzyme induces lysis of fibrin during Hbrinolysis? A Fibrin B Thrombin C Plasmin D Platelet factor-VIl Question 10 Which of the following enzymes is used to join bits of DNA? A Ligase B Primase C Endonuclease D DNA polymerase Question 11 All eukaryotic genes contain two kinds of base sequences. Which of the following plays role in protein synthesis? A Introns B Exons C Electrons D Both (a) and (b) Question 12 The genetic material of prokaryotic cell is called: A nucleus B nucleolus C nucleoid D centromere Question 13 In prokaryotes, the genetic material is: A linear DNA with histones B circular DNA with histones C linear DNA without histones D circular DNA without histones Question 14 The direction of DNA replication is from: A amino acid end B 3’ end towards 5’ end C 5’ end towards 3’ end D amino terminus to carboxy terminus Question 15 In operon concept, regulator gene functions as: A represser B regulator C inhibitor D initiator Question 16 The importance of meiosis lies in: A bringing discontinuous variations B addition in the number of chromosomes C reduction in the number of chromosomes D maintaining the number of chromosomes Question 17 In mitotic cell division, the division of centromere and the division of chromatid occurs between: A ana phase and telophase B prophase and metaphase C telophase and interphase D anaphase and metaphase Question 18 In which stage of the first meiotic division, each chromosome undergoes longitudinal division to give rise to two sister chromarids? A Zygotene B Diplotene C Diakinesis D Pachytene Question 19 Mirabilis jalapa is an example of: A complete dominance B supplementary gene C incomplete dominance D complementary gene Question 20 Which of the following is dominant character according to Mendel? A Dwarf plant and yellow fruit B Terminal fruit and wrinkled seed C White testa and yellow pericarp D Green coloured fruit and rounded seed Question 21 Lack of independent assortment of genes A and B in fruit fly Drosophila is due to: A repulsion B linkage C crossing-over D recombination Question 22 When two mutations are located in the same functional unit or in different functional units then it is confirmed by: A test cross B back cross C reciprocal cross D complementat ion test Question 23 Prototherians are the connecting links between: A amphibians and ayes B reptiles and mammals C fishes and amphibians D reptiles and amphibinas Question 24 The pioneers in the field of ‘organic evolution’ are: A Karl Landsteiner, Hugo de Vries, Malthus B Darwin, Hugo de Vries, Lamarck, Huxley C Lamarck, Karl Landsteiner, Maithus, Hugo de Vries D Darwin, Lamarck, Karl Landsteiner, Hugo de Vries Question 25 Darwin finches are related to which of the following evidences? A Fossils B Embryology C Anatomy D Geographical distribution |
| 25th August 2014 04:14 PM | |
| Unregistered | WBJEE Last years solved question paper Can you provide me the WBJEE biology Last years solved question paper??????????? |
