al husnain science education system jarpal. M.Nadeem Ashraf Math11th
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This document contains a math exam with four sections. Section I has 5 multiple choice questions testing trigonometric identities and properties. Section II has 4 short answer questions defining trigonometric terms and solving equations. Section III contains 2 proof questions. Section IV has 2 problems, one finding trigonometric functions given one value and the other finding arc length given radius and central angle. The exam is one hour long and worth 35 marks.
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This document summarizes different types of grain storage. It discusses local storage methods like purl, patare, and pussa bins, which are containers made of tin, metal, clay or grass that protect grains from pests and rodents in homes. Commercial storage uses large stainless steel containers and air tight structures called guddams to store grains for commercial purposes.
Eutrophication
Eutrophication is the process by which water bodies receive excess nutrients, typically nitrates and phosphates, which can come from natural sources like weathering and runoff or human sources like fertilizers and untreated sewage. This excess of nutrients stimulates algal growth and reduces dissolved oxygen, which can harm aquatic animals and plants. There are two types of eutrophication: natural eutrophication which occurs slowly over time through natural processes, and cultural eutrophication which is accelerated by human activities like agricultural, domestic, and industrial waste discharge and results in algal blooms and hypoxic conditions. Management strategies include treating wastewater before discharge and removing excess algal biomass and nutrients from affected water bodies
Mechanism of water uptake by plants
1) Plants uptake water through both active and passive absorption mechanisms. Active absorption involves osmotic and non-osmotic theories while passive absorption relies on diffusion down a water potential gradient.
2) The cohesion-tension theory describes the long distance transport of water through plants. Transpiration causes evaporation from leaves which creates tension that pulls water up through the xylem.
3) Water potential measures the chemical energy of water, with pure water at 0 MPa and leaves at a lower potential than the atmosphere. This drives the upward movement of water through cohesive forces between water molecules.
Analysis of water pollution presentaion by m.nadeem ashraf
This document discusses various parameters for water quality analysis including physical, chemical and biological parameters. It provides methods for analyzing parameters like turbidity, pH, BOD, COD and various metals. It also lists maximum allowable limits of substances in drinking water according to different standards. Microbiological parameters and their standards according to WHO and EU are also listed.
Presentation food science & technology
University of Poonch, Rawalakot.
Internship report at Shezan international LTD.
By Nasir
special thanks to : M.Nadeem Ashraf
Units...nadeem awan
The document defines various dimensionless quantities used to express small concentrations, fractions, and sensitivities. It provides the SI units, named parts-per ratio, abbreviation or symbol, and scientific notation for measures like strain, sensitivity, mass fraction, mole fraction, stability, and more. Conversion between parts-per notation and scientific exponent notation is shown for quantities like parts per million, billion, and trillion.
Plant transport,,,, nadeem ashraf.jarpal
This document discusses the mechanisms for nutrient uptake in plants. It describes two pathways - the apoplastic pathway through cell walls and extracellular spaces, and the symplastic pathway through plasmodesmata connecting plant cells. Active transport occurs through root cells, while passive transport involves transpiration pulling water and minerals up the xylem. Sugars are produced in leaves and transported through the phloem to other plant parts.
Wind erosion
Soil erosion is a major global problem, with 75 billion tons of fertile soil lost annually worldwide. Wind erosion is a significant issue, removing 40% of Pakistan's soil over time. Several factors influence wind erosion, including soil texture, structure, protection by plants, rainfall, and wind force. Methods to control wind erosion include planting shelterbelts, increasing soil organic matter, strip cropping perpendicular to winds, leaving stubble barriers, and reducing tillage. Proper land management is key to reducing the effects of wind on soils.
Soil nutrients
The document discusses plant nutrition and soil fertility, explaining that plants have nutritional requirements for essential elements that must be supplied by the soil in balanced amounts for optimal growth. It defines macronutrients and micronutrients that are essential for plants, and describes the criteria for an element to be considered essential. Various fertilizers commonly available in Pakistan are also listed along with their nutrient contents.
Plant transport,,,, nadeem ashraf.jarpal
This document discusses the mechanisms for nutrient uptake in plants. It describes two pathways - the apoplastic pathway through cell walls and extracellular spaces, and the symplastic pathway through plasmodesmata connecting plant cells. Active transport occurs through root cells, while passive transport involves transpiration pulling water and minerals up the xylem. Sugars are produced in leaves and transported through the phloem to other plant parts.
Plant transport,,,, nadeem ashraf.jarpal
This document discusses the mechanisms for nutrient uptake in plants. It describes both passive and active transport pathways, including the xylem and phloem transport tissues. The apoplastic pathway involves transport through cell walls, while the symplastic pathway uses plasmodesmata to transport molecules between cells. Water and minerals are absorbed by roots and transported upward through the xylem, while sugars are transported downward through the phloem. A variety of physical processes, like transpiration, adhesion, cohesion, and tension work together to facilitate nutrient transport in plants.
2 pollution (heavy metals)w
This document discusses heavy metal pollution, specifically focusing on mercury pollution. It defines marine pollution and contamination, and how contamination is measured. It then discusses how mercury pollution occurs through bioaccumulation and biomagnification within marine ecosystems. Sources of mercury pollution discussed include atmospheric deposition, rivers, groundwater seepage, and deliberate discharge. Effects of mercury toxicity in humans and marine life are outlined, including specific examples like Minamata disease. High levels of mercury found in fish, marine mammals, and whale meat intended for human consumption are noted as a health concern.
Waterpollutioncontrol 120327101425-phpapp01
Water pollution can come from various sources including municipal, industrial, and agricultural waste. Key pollutants include organic and inorganic materials, pathogens, excess nutrients, and thermal pollution. This can harm aquatic life and contaminate drinking water sources. Water quality standards and effluent discharge standards aim to classify water purity levels for different uses and limit pollution. Proper treatment and regulation of pollutant sources is needed to protect water resources and public health.
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Futooh ul ghaib by hazrat sheikh abdul qadir jilani.
Futooh ul ghaib by hazrat sheikh abdul qadir jilani.
Analysis of water pollution presentaion by m.nadeem ashraf
Analysis of water pollution presentaion by m.nadeem ashraf
al husnain science education system jarpal. M.Nadeem Ashraf Math11th
- 1. AL Hussnain Science Education System, Jarpal MATH UNIT_9 Time: 1 Hour F.Sc Part_I Marks: 35 SECTION_I Q.No.1: Encircle the correct answer of the following. (i) An angle is said to be positive if rotation is: (a) Clockwise (b) counter clockwise(c) 3600 (d) none (ii) One rotation (anticlockwise) is equal to: (a) 3600 (b) 900 (c) -3600 (d) 1800 (iii) Zero degree is equal to: (a) rad (b) rad (c) 30 rad (d) o rad (iv) 1+tan2 =……….. (a) Cot2 (b) s in2 (c) cos ec2 (d) sec2 (v) Cos (-750) =…….. (a) Cos 650 (b) cos 750 (c) –cos750 (d) none SECTION_II Q.No.2: Short Questions (i) Prove that, sin2 +cos2 = 1 (ii) Find X, when sin600 -cos450 =x sin450 cos60 (iii) Define Radian and Degree (v) Convert 540 into radian? (iv) What is the circular measure of the angle between hands of a watch at 4 O, clocks? SECTION-II Q.No.3: Prove that =sec -tan , where is not odd multiple of . (b) Prove that + =2sec2 Q.No.4: If Cosec = and m>0 (0< < ), Find values of remaining trigonometric functions. (b) What is the length of arc intercepted on a circle of radius 14cm by the arms of a central angle of 450 ? AL Hussnain Science Education System, Jarpal MATH UNIT_9 Time: 1 Hour F.Sc Part_I Marks: 35 SECTION_I Q.No.1: Encircle the correct answer of the following. (i) An angle is said to be positive if rotation is: (a) Clockwise (b) counter clockwise(c) 3600 (d) none (ii) One rotation (anticlockwise) is equal to: (a) 3600 (b) 900 (c) -3600 (d) 1800 (iii) Zero degree is equal to: (a) rad (b) rad (c) 30 rad (d) o rad (iv) 1+tan2 =……….. (a) Cot2 (b) s in2 (c) cos ec2 (d) sec2 (v) Cos (-750) =…….. (a) Cos 650 (b) cos 750 (c) –cos750 (d) none SECTION_II Q.No.2: Short Questions (i) Prove that, sin2 +cos2 = 1 (ii) Find X, when sin600 -cos450 =x sin450 cos60 (iii) Define Radian and Degree (v) Convert 540 into radian? (iv) What is the circular measure of the angle between hands of a watch at 4 O, clocks? SECTION-II Q.No.3: Prove that =sec -tan , where is not odd multiple of . (b) Prove that + =2sec2 Q.No.4: If Cosec = and m>0 (0< < ), Find values of remaining trigonometric functions. (b) What is the length of the arc intercepted on a circle of radius 14cm by the arms of a central angle of 450 ?