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Test Your Knowledge SULOCHANA MANGARAJ BIOMOLECULES 15. The deficiency of which vitamin causes creatinuria: 1. Sunshine vitamin is: a) Vitamin A b) Vitamin B complex c) Vitamin D d) Vitamin K a) Vitanin A c) Gliadine 16. Spermatozoa in seminal fluid utilizes the following sugar for its metabolism: a) Maltose b) Arabinose 2. The hormone that controls blood calcium level is: a) Parathormone b) Insulin c) Glucagon d) ACTH c) Fructose a) Retinol b) Biotin c) Tocopherol d) Thiamine a) Calcitriol c) Tocopherol a) Nucleotide b) Purine base c) Pyrimidine base d) Nucleoside 19. Albinism is caused due to the deficiency of enzyme: a) Hydroxilase b) Tyrosinase 5. The vitamin that contains cobalt is: c) Cellulase b) Vitamin-K d) Zymases 20. The protein that lacks in rice is: d) Vitamin B12 a) Tryptophan c) Lysine 6. Glucose does not react with: a) NaHSO 3 b) NH 2OH c) HCN d) C6H5NHNH2 a) Blood b) Eggs c) Keratin d) Both a & b b) Threonine d) None of these 21. Gamma globulins are present in: a) RBC b) WBC c) Blood plasma d) Platelets 7. Globular proteins are present in: 22. Cellulose is soluble in: a) Ammoniacal cupric hydroxide solution b) Organic solvents c) Water 8. Antibodies are: a) Lipids b) Carbohydrate c) Proteins d) Enzymes a) 3 b) 4 c) 1 d) 2 b) Sucrose c) Glucose d) Galactose a) Insulin c) Epinephrine b) Lysine c) Valine d) Glycine c) Duplication 12. Glucose on reduction with sodium amalgam yields: a) Glucose penta acetate b) Sorbitol c) Gluconic acid d) Acetic acid b) Galactose c) Sucrose d) Mannose b) Elastin c) Gliadine d) Keratin 1. c 2. a 3. c 4. d 5. d 6. a 7. d 8. c 9. a 10. c 11. d 12. b 13. b 14. d 15. c 16. c 17. a 18. c 19. b 20. d 21. c 22. a 23. b 24. d 25. a 14. The protein present in hair is: a) Prolamine d) Dislocation ANSWERS 13. Mucic acid is produced by oxidation of: a) Glucose b) Cortisol d) Vasopressin 25. An alteration in the base sequence of nucleic acid molecule is: a) Mutation b) Replication 11. Which is not an essential amino acid: a) Phenyl alanine b) Gastrin d) None of these 24. Which of the following hormones is involved in increased reabsorption of water from renal tubular epithelial cells: 10. Grape sugar is: a) Maltose d) Both a & b 23. CCK belongs to which family: a) Secretin c) Both a & b 9. The number of disulphide linkages present in Insulin are: SCIENCE REPORTER, MAY 2012 b) Calciferol d) Retinol 18. Keratin belongs to which category: a) Histones b) Globulins c) Albuminoids d) None of these 4. Adenosine is an example of: c) Vitamin-K d) Sucrose 17. The biologically active form of Vitamin D is called: 3. Vitamin E contains: a) Vitamin-A b) Vitamin C d) Keratin Contributed by Ms Sulochana Mangaraj (Science Teacher, Kostha Govt, High School), c/o Bidyadhar Mangaraj, At Walliganj W.No. 2, PO Bhanjpur, Dist Mayurbhanj-757002 24 Test Your Knowledge K. VENKATARAMAN PALAEONTOLOGY 1. Study of the origin, history and structure of earth a) Geology b) Paleontology c) Archaeology d) Geography 16. Extinct marine arthropod fossil a) Ammonites b) Nautilus 2. The age of earth a) 585 Billion yrs c) 6800 Billion yrs 17. Solid mineral deposit that filled a mold leaving a copy of c) Belemnites b) 4570 Billion yrs d) 8450 Billion yrs the living thing a) Imprint c) Petrified fossil 3. The largest interval of geologic time a) Era b) Eon c) Period d) Epoch c) Ichthyosauria a) Cotylosaurs c) Lepidosaurs 21. Human civilization took place during this epoch a) Pliocene b) Pliestocene 7. First known vertebrate fossil of Ordovician period a) Cyclostomes b) Ostracoderms c) Dipnoi d) Placoderms c) Holocene d) Miocene 22. Which one of the following is in order? b) Anthropology d) Anthology 9. Which one of these elements is used in calculating the age of earth? a) Uranium b) Potassium c) Carbon d) All the above 10. This period is referred to as the Age of Fishes a) Silurian b) Devonian c) Cambrian d) Ordovician a) Era , Period, Epoch , Eon b) Eon , era , Epoch , period c) Eon , Era , period , Epoch d) Period , era , Eon , Epoch 23. Which fossil has recently replaced Archaeopteryx from the basal bird? a) Xiaotingia c) Archiornis b) Pterosaurs d) Epidexipter yx 24. Which one is a bird like Dinosaur? a) Pterosaur b) Brontosaur b) Mesozoic d) Permian c) Pelicosaur d) Dimetrodon 25. Archaeopteryx lithographica fossil was found in a) Bavaria c) Nigeria b) Fishes d) All the above 13. Period that is referred to as the age of man a) Quaternar y b) Pleistocene c) Coenozoic d) All the above b) Zambia d) Madagascar ANSWERS 1. a 9. d 17. b 25. a 14. Carboniferous period is divided into a) Devonian & Permian b) Mississippian & Pennysilvanian c) Permian & Silurian d) Silurian &Devonian 15. Example of living fossil a) Coelacanth c) Nautilus b) Ichthyosaurs d) Plesiosaurs 20. Which one of the following is a modern horse? a) Eohippus b) Equus c) Parahippus d) Meiohippus 6. The age of Trilobites is also known as a) Cambrian b) Ordovician c) Silurian d) Devonian 12. Palaeozoic era is the age of a) Invertebrates c) Amphibia d) Lepidosauria 19. Stem reptiles are 5. Eons are further divided into the following a) Epoch b) Eras c) Periods d) Archean 11. Golden age of Reptiles a) Palaeozoic c) Coenozoic b) Cast d) All the above 18. Name the connecting link between Amphibia and Reptilia a) Archaeopter yx b) Seymouria 4. The geological time scale was proposed by a) James Hutton b) William Smith c) Arthur Holmes d) George Cuvier 8. Study of fossils a) Paleontology c) Archaeology d) Trilobites 2. b 10. b 18. b 3. b 11. b 19. a 4. C 12. d 20. b 5. b 13. d 21. C 6. a 14. b 22. C 7. b 15. d 23. a 8. a 16. d 24. a Contributed by Dr. K. Venkataraman, Retd. Reader and Head, Dept. of Zoology, Madura College, Madurai, A-T-2 Porkudam apartments, Bypass Road, Madurai-625010 b) Horse shoe crab d) All the above 25 SCIENCE REPORTER, MAY 2012