Biomass class 12
WebNov 16, 2024 · Refer to the Ecosystem Class 12 MCQs Questions with Answers here along with a detailed explanation. Ecosystem Class 12 MCQs Questions with Answers. Multiple Choice Type Questions. Question 1. Given below is one of the types of ecological pyramids. This type represents (a) Pyramid of numbers in a grassland (b) Pyramid of biomass in a … WebCheck out the NCERT exemplar Solutions Class 12 Biology Chapter 14 Ecosystem available as a download here. Students can prepare for this chapter by referring through the PDF here. Login. ... Productivity is the rate of production of biomass expressed in terms of: i. (kcal m–3) yr–1. ii. g–2 yr–1. iii. g–1 yr–1. iv. (kcal m–2) yr–1
Biomass class 12
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Web1) The first, foremost and major difference is the ‘Time Difference’, i.e. the time required for it to be generated. 2) Biomass takes carbon out of the … WebBiomass definition, the amount of living matter in a given habitat, expressed either as the weight of organisms per unit area or as the volume of organisms per unit volume of …
WebJun 15, 2024 · Choose the correct answer: (a) i and iii (b) i and iv (c) ii and iii (d) i and ii. Answer. (c) Decomposers like fungi and bacteria are heterotrophs and saprotrophs. 2. The process of mineralisation by micro organisms helps in … WebAdvantages of Biogas. 1)Non-polluting: Biogas burns without smoke; therefore, it evolves no harmful gas such as CO 2, CO, NO 2, and SO2. 2)Reduces Landfills: The slurry which produces after the production of biogas, we can use it as manure in fields. The technique of disposal is safe and effective and henceforth, no space gets wasted in the ...
WebThe Question and answers have been prepared according to the Class 12 exam syllabus. Information about Biogas production gram waste Biomass with the help of methanogenic bacteria is a)one step processb)two step processc)three step processd)multi step processCorrect answer is option 'C'. Web57 minutes ago · Surveillance cameras have recently been utilized to provide physical security services globally in diverse private and public spaces. The number of cameras has been increasing rapidly due to the need for monitoring and recording abnormal events. This process can be difficult and time-consuming when detecting anomalies using human …
WebPyramid of biomass is generally upright with maximum biomass present in producers followed by lesser biomass in herbivores and still small biomass in carnivores. ... class 12. Atoms Chemical Kinetics Moving Charges and Magnetism Microbes in Human Welfare Semiconductor Electronics: Materials, Devices and Simple Circuits. Classes. Class 5;
WebMay 20, 2024 · Biomass energy is energy generated or produced by living or once-living organisms. The most common biomass materials used for … increase chest hairWebOne year into our journey we: assembled a world-class team of engineers, raised a $12.5M Seed round from top deeptech investors, pre-sold our first 1k tons of carbon removal, and are designing our first demonstration plant that will combust biomass and generate carbon-negative energy. increase child supportWebWhich of the following are not secondary metabolites in plants? (1) Vinblastin, curcumin (2) Rubber, gums (3) Morphine, codeine (4) Amino acids, glucose Biomolecules Zoology Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF … increase cholineWebMar 28, 2016 · Disadvantages of biomass 1-Biomass contains 50-90% water and it is heavy. Hence transportation if needed is very difficult. 2-Direct combustion of biomass produces smokes and smells. 3-Calorific value of biomass if burnt in the raw form is very less. 4-Biogas plants need lots of care and maintenance for its successful operations. 5 … increase child support floridaWebJul 17, 2024 · Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 14 Ecosystem. Biology MCQs for Class 12 Chapter Wise with … increase child tax creditWebJul 17, 2024 · Students can solve NCERT Class 12 Biology Ecosystem MCQs Pdf with Answers to know their preparation level. ... Explaination: Primary productivity is determined as the amount of biomass or organic matter produced per unit area over a time period by the plants during photosynthesis. 35. GPP – R = NPP increase chicken egg productionWebApr 6, 2024 · Biomass Energy. The dead parts of plants and trees, and the waste material of animals are called biomass. Biomass is the organic matter which is used as a fuel to produce energy. Biomass includes wood, agricultural wastes (crop residues) and cow-dung. Biomass is another form in which solar energy manifests itself. increase child support payments