1441 Protein factory is___________? Biology Medium Full question → A nucleus B ribosome C golgi complex D centriole
1442 Which statement is incorrect for pasteurization? Biology Medium Full question → A It is used to preserve yogurt and milk B It was developed by Louis Pasteur. C It involves heating the substance at high temperature for just few sec. D It can be used to preserve vegetables and meat.
1444 Astronauts may use which technique to grow fruits and vegetables ? Biology Medium Full question → A Tissue culture techniques B Cloning C Pasterisation D Hydroponic culture technique
1445 Messenger RNA is formed in_________? Biology Medium Full question → A nucleus B chloroplast C mitochondria D none of these
1446 Co-enzyme is often formed from ? Biology Medium Full question → A lipid B protein C inorganic ion D vitamin
1447 Breeders have developed new and better varieties of food items by using which technique? Biology Medium Full question → A Pasteurization B Hydroponic culture technique C Genetic engineering D Biological control techniques
1448 Starch is converted into maltose by? Biology Medium Full question → A diastase B invertase C maltase D amylase
1449 Conclusion of Mendels work latter became a_____________? Biology Medium Full question → A Scientific hypothesis B Theory C Scientific law D Productive theory
1450 Which one is not correct for a productive theory? Biology Medium Full question → A It is predictive B It has explanatory power C It discourages suggestion of different hypotheses D None of these
1451 Which are the four most abundant elements in living cells ? Biology Medium Full question → A carbon, oxygen, nitrogen, sulfur B carbon, oxygen, hydrogen, nitrogen C carbon, oxygen, sulfur, phosphorus D carbon, sulfur, hydrogen, magnesium
1452 A series of hypothesis supported by the results of many tests is called ? Biology Medium Full question → A Scientific law B Theory C Data D Deduction
1453 Which is an organic compound found in most cells ? Biology Medium Full question → A Water B Glucose C Oxygen D Sodium chloride
1454 Biological sciences have a set methodology and it is based on ? Biology Medium Full question → A Experimental inquiry B Esthetic preference C Philosophical ideas D Imaginations
1455 Proteins are made from amino acids by the process of ______________? Biology Medium Full question → A Hydrolysis B Pinocytosis C Dehydration synthesis D Active transport
1456 An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called? Biology Medium Full question → A Biome B Phyletic lineage C Community D Population
1457 Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of Biology Medium Full question → A Diffusion B Passive transport C Osmosis D Active transport
1458 It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect? Biology Medium Full question → A Older sediment layers have equal amount of these radioactive isotopes as that of the young ones B Older sediment layers have less amount of these radioactive isotopes as that of the young ones. C Older sediment layers have greater amount of these radioactive isotopes as that of the young ones. D Older sediment layers did not have these radioactive isotopes
1459 Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ? Biology Medium Full question → A Concentration of water molecules inside and outside the cell B Concentration of enzymes on either side of the cell membrane C Rate of molecular motion on either side of the cell membrane D None of these
1460 The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ? Biology Medium Full question → A Environmental biologist B Paleontologist C Marine biologist D Social biologist