Pak Education – House of Learning Sir Adnan www.PAK-EDUCATION.com BOARD OF SECONDARY EDUCATION‚ KARACHI S.S.C. (ANNUAL) EXAMINATION‚ [2008 – 2013] BIOLOGY THEORY – (Class IX) – SCIENCE GROUP MCQs – (MULTIPLE CHOICE QUESTIONS) CHOOSE THE CORRECT ANSWER FROM THE GIVEN OPTIONS: (1) Tuberculosis is caused by: (A) Virus (2) It is not an alga: (A) Chlorella (3) It is an insectivorous plant: (A) Nostoc (B) Bacteria (C) Worm (D) None of them (B) Volvox (C) Spirogyra
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Discussion Questions – Urine 1. The results obtained for this urine sample (U19) shows that the patient is infected with urinary tract infection. This is identified by the high amount of colonies observed on Horse Blood Agar (>108/L)‚ mild amount of protein (30 mg/mL) and very high amount of red blood cells (Large+++) found in the urine. The bacterium identified in this specimen is Pseudomonas aeruginosa. This is confirmed by involving many tests and observation‚ such as Gram stain‚ oxidase test
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Name UNIT 22 CAUSES AND SPREAD OF INFECTION 1.1 Identify the differences between bacteria‚ viruses‚ fungi and parasites What is a Bacteria? A bacteria is a living things that are neither plants nor animals‚ but belong to a group all by themselves. They are very small--individually not more than one single cell--however there are normally millions of them together‚ for they can multiply really fast. Bacteria are prokaryotes (single cells that do not
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liquid feces. Occasionally trophozoites invade the wall of the colon‚ multiply‚ and pass into the circulation. III. Pathogenesis E. histolytica has a wide geographic distribution and is considered one of the most important human protozoan parasites. Amebiasis is usually
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Observing and Analyzing the Behaviors of Daphnia‚ Pill Bugs‚ Amoeba and Uglena Under Certain Experimental Conditions Testing Reactions to Gravity‚ Light and Food Jacob Kluth and Kelsey Jankowski Introduction This lab has introduced the use of daphnia‚ pill bugs‚ amoeba and Uglena. We the AP Biology students were first introduced to the test subjects to test his or her capability of handling living organisms for upcoming science experiments. The AP Biology students were asked to create original
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Non-cellular Cell wall (polysaccharide + amino acid) Nuclear membrane Absent Protista Eukaryotic Body organisation Cellular Cellular Mode of nutrition Autotrophic (photosynthetic & chemosynthetic) and heterotrophic (saprophyte/parasite) Autotrophic (photosynthetic) and heterotrophic Present in some Present Five kingdoms Fungi Eukaryotic Plantae Eukaryotic Animalia Eukaryotic Present (without cellulose) Present (cellulose) Absent Present Multicellular
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What is Food Microbiology Food microbiology is the study of food micro-organisms; how we can identify and culture them‚ how they live‚ how some infect and cause disease and how we can make use of their activities. Microbes are single-cell organisms so tiny that millions can fit into the eye of a needle. They are the oldest form of life on earth. Microbe fossils date back more than 3.5 billion years to a time when the Earth was covered with oceans that regularly reached the boiling point‚ hundreds
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some protistas move around‚ others stay in one place. Some examples of protistas are algae‚ paramecium‚ and amoeba. Fungi are usually motionless organisms and belong as their name show to the kingdom fungi. Most fungi are multicellular and consist of many complex cells. They absorb nutrients from parts of plants that are decaying in the soil for survival. These organisms are mostly parasites and also symbionts. Mushrooms‚ mold and mildew are all examples of organisms in the kingdom fungi. The kingdom
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infect nails. A common yeast infection is thrush caused by Candida albicans. Protozoa: are microscopic organisms‚ but larger than bacteria. Free-living and nonpathogenic protozoa include amoebae and paramecium. Examples of medical importance include: Giardia lamblia‚ which causes enteritis (symptoms of diarrhoea). Worms: are not always microscopic in size but pathogenic worms do cause infection and some can spread from person to person. Examples include: threadworm and tapeworm. Prions: are infectious
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the source of contamination in urban areas. Pathogens found in animal waste that is “zoonotic”--capable of being transmitted to humans from animals--are the major cause of concern. If ingested‚ some of these pathogens (including Cryptosporidium‚ Giardia and Salmonella among others) may result in serious illness or even death. Roundworm and hookworm infections
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