If or unless grammar exercise Unless means ‘if not’. These words are often confused. Complete the following sentences using if or unless. 1. …………………. you eat too much‚ you will fall ill. a) If b) Unless c) Either could be used here 2. …………………. he doesn’t mend his ways‚ he will lose his job. a) If b) Unless c) Either could be used here 3. ……………………… you don’t stop smoking‚ you will fall seriously ill. a) If b) Unless 4. I wouldn’t have won ……………….. he hadn’t helped me. a) if b) unless 5. ………………… he
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Equation Problems and Attitude of student towards Mathematics in Junior Secondary School in Niger state‚ Nigeria BY Etsu Shabamaliki MUHAMMAD Niger State College of Agriculture Mokwa‚ Nigeria Abstract The study sought to determine the effects of using improvised instructional material (weighing balance) in solving linear equation and attitude of students toward mathematics in Junior Secondary Schools in Niger State. The study adopted a pre-test‚ post-test control group quasi experimental design
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evaluated against Aspergillus niger and Candida albicans. Hydro-alcoholic extracts of all the plants were found to have maximum antifungal activity in comparison to hexane extracts. Hydroalcoholic extracts of Andrographis paniculata and Achyranthes aspera showed maximum potency against Aspergillus niger and Candida albicans at highest MIC value of 0.5 and 0.3 mg/ml respectively. Hexane extracts of Andrographis paniculata showed highest MIC value of 0.7 mg/ml against Aspergillus niger. Key words: Hydroalcoholic
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oil-degrading potential of fungi isolates on diesel‚ kerosene and petrol. Water samples were collected aseptically and analyzed microbiologically using standard techniques. The fungi isolated from the water samples were: Trichoderma viridae‚ Aspergillus niger‚ Aspergillus fumigatus and Stochyborys atra. The confirmatory test for oil utilization potential of the isolated fungi was carried out using the enrichment method‚ minimal salt broth (MSB). There were variations in the growth patterns of each of the
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to regenerate the citric acid. Fermentation of sugar by the mold Aspergillus niger is the chief commercial source of the acid. It is added to some foods and beverages to produce pleasant acid flavor; It is also used in medicines‚ in making blueprint paper‚ in textile printing‚ and as a polishing agents for metals. Citric acid is the product of fermentation of numerous organisms.However‚certain strains of the fungus Aspergillus niger produce commercially high yield of citric acid from a variety of
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ANTIFUNGAL ACTIVITY OF AVOCADO (Persea americana) SEEDS EXTRACT Submitted by: April Angelou A. Butaslac IV-Ryl A Research Paper Presented to the Faculty of Regional Science High School‚ Region X In the Partial Fulfillment of the Requirements for Research II Submitted to: CHRISTY N. MONTESCLAROS Adviser March 2012 APPROVAL SHEET The Research paper here to attached‚ entitled; “Antifungal Activity of Avocado (Persea americana) Seeds Extract”‚ prepared and submitted by APRIL
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96 IU/ml) by SmF. An induction in the enzyme production/activity was noted when fungal isolate (Aspergillus niger) was grown on cellulose as a sole carbon source while a very low rate of enzyme activity/production was observed when glucose was used as sole carbon substrate. These results are in agreement with
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Microbial Diversity and Ubiquity Microorganisms are microscopic organisms that are so small that that they can only be visualized by the aid of a compound-brightfield microscope. While we generally cannot see individual microorganisms with the naked eye‚ they are present in virtually every habitat known to man. Microorganisms can be prokaryotic—the bacteria or eukaryotic—the algae‚ protozoa or fungi. While viruses are acellular they are also studied in the scope of microbiology because
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Bacteria are unicellular and ultra-microscopic organisms‚ yet they play an important role in nature. They are of tremendous importance to man. They play an important role in agriculture and medicine and are the basis of many industries. Some are beneficial to man directly or indirectly‚ others are very harmful as they cause various plant and animal diseases. Bacteria are considered as our friends and foes due to their beneficial and harmful activities. Their economic importance can be studied under
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antiseptic‚ bactericidal‚ etc. Specific organisms are identified as being of particular interest‚ especially those standard organisms that form part of the B.P. challenge test. These include Candida albicans‚ Pseudomonas aeruginosa‚ Escherichia coli‚ Aspergillus niger and Staphylococcus aureus. A cross-section of plants mentioned in the literature as being specifically targeted at these organisms are considered. The paper concludes with Appendices of plant materials that have mention in the literature according
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