Training Questions for Lectures 3, 4, and 5 PDF

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WellRegardedTuba

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The British University in Egypt

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biology plant physiology drug science medicine

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This document contains training questions for lectures 3, 4, and 5. The questions cover a range of topics, including photosynthesis, plant physiology, diffusion, drying processes of medicinal plants, types of adulteration, and drug science/medicine.

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Training Questions for lectures 3,4 and 5 A- Write the scientific term between brackets 1- A series of processes in which solar (light) energy is converted to chemical energy in the form of a simple sugar. (…………………………………) 2- Carbon dioxide fixation into simple sugar in chloroplasts. (………………………...

Training Questions for lectures 3,4 and 5 A- Write the scientific term between brackets 1- A series of processes in which solar (light) energy is converted to chemical energy in the form of a simple sugar. (…………………………………) 2- Carbon dioxide fixation into simple sugar in chloroplasts. (………………………) 3- Conversion of molecular (N2) in air into ammonia in soil , which is metabolized by most organisms. (…………………………………..) 4- Net movement of substance from a region of high concentration to region of low concentration. (…………………………..) 5- A process uses energy to transport and pump molecules against a concentration gradient i.e. From low to high. (…………………………………) 6- Movement of water molecules from the region of high concentration to the region of the low concentration through semi-permeable membrane. (…………………………) 7- It is the directional movement of plants in response to gravity. (………………………..) 8- It is the directional movement of plants in response to light. (………………………..) 9- It is the directional movement of plants in response to water. (………………………..) 10- It is the directional movement of plants in response to touch. (………………………..) 11- It is the study of drugs from natural products such as plants, marines and even animals. (………………………………..) 12- Any natural occurring, unrefined substance derived from plants or animals and used for medicinal use. (…………………………….) 13- A book recognized by government as legal authority for standards of drugs. (……………………..) 14- Drugs that are recognized by pharmacopeia. (…………………………….) 15- Drugs that are not recognized by pharmacopeia. (…………………………….) 16- Drug which is completely freed from water. (…………………………….) 17- Type of adulteration in which inferior material is added to authentic drugs. (………………………..) 18- Type of adulteration in which total substitution of original drug is done by a different substance. (…………………………….). B- Complete the following sentences 19- Factors affecting photosynthesis are …………………………, ……………………… and………………………. 20- Factors affecting diffusion are…………………., ……………………… and………………. 21- Natural products play important role in modern medicine because a………………………………………………. b……………………………………………… c. ………………………………………………. 22- Collection of crude drugs should be done at proper time, proper………………. and proper………………….. 23- Objectives of drying medicinal plants are………………………………, …………………….. and …………………………. 24- Advantages of artificial drying over natural drying are…………………………………………and ………………………………………. 25- Good packaging of medicinal plants is important because………………………and…………………….. 26- Uses of starch are……………………….., ………………………. And………………….. 27- Uses of fixed oils are…………………., ………………………… and……………………. C- True or false 1- The photosynthesis process occurs in the chloroplasts. 2- Strach grains function as the high-energy storage compounds in green plants. 3- Calcium oxalate crystals are one of ergastic substances in the plant cell. 4- Dark reactions of photosynthesis take place in grana. 5- Light reactions of photosynthesis take place in grana. 6- Photolysis of water during photosynthesis is considered photochemical reaction. 7- Reduction of carbon dioxide into glucose is considered photochemical reaction. 8- Light intensity is the limiting factor of photosynthesis. 9- Respiration is the opposite of photosynthesis. 10- Water and minerals are translocated between roots and shoots through phloem. 11- Sugars are translocated between leaves and other organs through phloem. 12- Facilitated diffusion requires energy to occur. 13- Diffusion requires energy to occur. 14- Active transport requires energy to occur. 15- Semipermeable membrane allows only solute molecules to pass. 16- When plant cell is in hypertonic solution, the cell become turgid. 17- When plant cell is in hypertonic solution, the cell shrinkages. 18- Non- official drugs are used based on their traditional uses. 19- Auxins and gibberellins are plant growth stimulators. 20- Rhubarb is preferably collected in winter. 21- Colchicum is preferably collected in spring. 22- Digitalis leaves are collected usually in the morning. 23- Amylose is a branched chain of glucose units. D- Choose the correct answer 1- A limiting process for gases movement in plants is ………. a. Active transport b- Diffusion c- Facilitated diffusion d- None of choices. 2. Movement of molecules from region of high conc. to region of low conc. through membrane proteins. a. Active transport b- Diffusion c- Facilitated diffusion d- None of choices. 3- A process in which drug is exposed to high temperature 800 © for a fraction of second. a- Liophylaization b- Pneumatic high speed drying. c- Sunlight drying d- Shed drying. 4- Type of adulteration in which inferior material is added to authentic drugs is a. Substitution. B- Sophistication. C. Spoilage. D- Non of choices. 5- Starch gives……………color when reacts with iodine a. Red. B. green. C. blue. D. yellow 6- Antidote of iodine poisoning is………………. a. Alkaloids. B. starch. C. fixed oils. D-proteins. 7- ……………….is used as filler or diluent in tablets manufacture. a. Alkaloids. B. starch. C. fixed oils. D-proteins. 8- Picric acid is used to detect…………….microscopically. a. Alkaloids. B. starch. C. fixed oils. D-proteins. 9- Iodine solution can be used to detect………………microscopically. a. proteins. B. starch. C. fixed oils. d. A and B 10- Sudan III reagent is used to test……………… a. proteins. B. starch. C. fixed oils. d. A and B 11- …………….are esters of glycerol and fatty acids. a. proteins. B. starch. C. fixed oils. d. A and B 12- A solution in which water conc. in it is more than inside the cell. a. Hypotonic solution. B. Hypertonic solution. C. Isotonic solution. D- Non of the above. 13- Scientific name of Alexandrian senna is Cassia acutifolia, so the genus to which senna belongs is a. acutifolia. B. Cassia. C. Alexandria. D. non of choices. 14- Photosynthesis occurs in………….. a. Nucleus. B. Mitochondria. C. Chloroplasts. D. Vacuole. 15- A solution in which water conc. in it is more than inside the cell. a. Hypotonic solution. B. Hypertonic solution. C. Isotonic solution. D- Non of the above. 16- …………………….is the controlled oxidation of energy-rich photosynthetic end-products producing CO2 and adenosine triphosphate (ATP). a- Plant respiration. b- Photosynthesis. c- Nitrogen-fixation cycle. d- Non of the choices.

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