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1) A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as: a. An organ b. An organism c. A Tissue d. A Cell
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2) Haemodialysis means cleaning of____________? a. Urine b. Blood c. Glomerular filterate d. Coelomic fluid
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3) In animals coordination is achieved by means of? a. Nervous system b. Endocrine system c. Respiratory system d. Both A and B
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4) Production of sweat and sebum is related with ? a. Skin b. Liver c. Lungs d. GIT
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5) Group of living organisms of the same species living in the same place at the same time is called ? a. Community b. Population c. Ecosystem d. Biome
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6) The evaporative cooling in the respiratory tract of dogs is called? a. Vasodilation b. Vasoconstriction c. Panting d. All of these
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7) Different species of plants and animals living in the same habitat is called? a. Population b. Community c. Biome d. Habitat
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8) Which of the following pathogen type cause disease that can be treated with antibiotics ? a. bacteria b. fungi c. virus d. none of these
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9) A large regional community primarily determined by climate is called ? a. Population b. Community c. Biome d. Habitat
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10) Most cell membranes are composed principally of ? a. DNA ad protein b. Protein and Lipids c. Protein and Chitin d. Protein and RNA
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11) 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 ? a. Environmental biologist b. Paleontologist c. Marine biologist d. Social biologist
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12) Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ? 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
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13) 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? 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
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14) 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 a. Diffusion b. Passive transport c. Osmosis d. Active transport
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15) 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? a. Biome b. Phyletic lineage c. Community d. Population
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16) Proteins are made from amino acids by the process of ______________? a. Hydrolysis b. Pinocytosis c. Dehydration synthesis d. Active transport
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17) Biological sciences have a set methodology and it is based on ? a. Experimental inquiry b. Esthetic preference c. Philosophical ideas d. Imaginations
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18) Which is an organic compound found in most cells ? a. Water b. Glucose c. Oxygen d. Sodium chloride
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19) A series of hypothesis supported by the results of many tests is called ? a. Scientific law b. Theory c. Data d. Deduction
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20) Which are the four most abundant elements in living cells ? a. carbon, oxygen, nitrogen, sulfur b. carbon, oxygen, hydrogen, nitrogen c. carbon, oxygen, sulfur, phosphorus d. carbon, sulfur, hydrogen, magnesium
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21) Which one is not correct for a productive theory? a. It is predictive b. It has explanatory power c. It discourages suggestion of different hypotheses d. None of these
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22) Conclusion of Mendels work latter became a_____________? a. Scientific hypothesis b. Theory c. Scientific law d. Productive theory
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23) Starch is converted into maltose by? a. diastase b. invertase c. maltase d. amylase
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24) Breeders have developed new and better varieties of food items by using which technique? a. Pasteurization b. Hydroponic culture technique c. Genetic engineering d. Biological control techniques
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25) Co-enzyme is often formed from ? a. lipid b. protein c. inorganic ion d. vitamin
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26) Production of genetically identical copies of organisms/cells by asexula reproduction is called ? a. Mitosis b. Replication c. Cloning d. Biological control
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27) Messenger RNA is formed in_________? a. nucleus b. chloroplast c. mitochondria d. none of these
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28) Astronauts may use which technique to grow fruits and vegetables ? a. Tissue culture techniques b. Cloning c. Pasterisation d. Hydroponic culture technique
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29) Number of chromosomes in E.coli ? a. 1 b. 2 c. 3 d. 4
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30) Which statement is incorrect for pasteurization? 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.
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31) Protein factory is___________? a. nucleus b. ribosome c. golgi complex d. centriole
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32) What is the mode of transmission of Hepatitis virus? a. Aerosol b. Parentral (via blood) c. Skin penetration d. Unknown
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33) Smallest disease causing agents in plants are ? a. virion b. mycoplasma c. viroids d. prions
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34) Which disease can be controlled by vaccination? a. Measles b. Cancer c. Diabetes d. Heart attack
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35) The major cell infected by the HIV is lymphocyte ? a. helper-T b. B c. both T and B d. none of these
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36) Vaccine was first developed by_______________? a. Louis Pasture b. Edward Jenner c. Jaber Ibn Hayan d. Aristotle
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37) Pigment present in red algae is_____________? a. fucoxanthin b. phycocyanin c. phycoerythrin d. bilirubin
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38) Which disease has been totally eradicated from the world because of effective vaccination? a. Measles b. Polio c. Small pox d. Hepatitis
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39) Nutrition in fungi is___________? a. Photosynthetic b. Chemosynthetic c. Completely parasitic d. Absorptive heterotrophs
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40) Which of the following statement is incorrect about antibiotics? a. They are used against microorganisms b. They are always effective against bacteria c. They are used in diseases like tuberculosis and pneumonia d. They are derived from bacteria only
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41) Fungi resemble plants because they lack___________? a. Cell wall b. Cytoplasm c. Centriole d. Nucleus
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42) Which treatment is instituted in a cancerous patient? a. Antibiotic therapy b. Radiotherapy c. Gene therapy d. None of these
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43) Which is a parasitic plant? a. cuscuta b. rose c. ferns d. mosses
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44) Which statement is incorrect for cloning? a. The nucleus of a fertilized egg is replaced by the nucleus from the cell of a fully developed individual b. Division of a single egg into one or more separate embryos. c. The individual is the mirror image of the parent organism d. It involve methods of sexual reproduction
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45) True roots absent in_____________? a. ferns b. bryophytes c. gymnosperms d. angiosperms
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46) Removal or degradation of environmental pollutants or toxic materials by living organisms is called__________? a. Integrated disease management b. Hydroponic culture technique c. Pasteurization d. Bioremediation
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47) The mechanism for ATP synthesis is_____________? a. Chemosynthesis b. Photosynthesis c. Phosphorylation d. Chemiosmosis
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48) Which of the following is not a viral disease? a. Cowpox b. Mumps c. Tetanus d. Small pox
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49) Enzyme present in the saliva is_____________? a. lipase b. trypsin c. ptyalin d. invertase
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50) In human body 99% of total mass is formed of_____________? a. 16 Bio-elements b. 12 Bio-elements c. 10 Bio-elements d. 6 Bio-elements
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