The standard error is a measure of central tendency. (1) When a percentage of fractions is given for gas, it is assumed that it refers to a mole fraction, (2) When a percentage of fractions is given for liquid or solid, it is assumed that it refers to the weight fraction, We help you to prepare for govt exams like SSC, IAS, Bank PO, Railways, mole concept multiple choice questions and answers. © 2020 SAGE Publications SAGE Publications India Pvt. Temperature Measurement Multiple Choice Questions. The correct answer is b) Descriptive statistics describe the data. The standard error is calculated solely from sample attributes. An Adventure in Statistics: The Reality Enigma, Reporting research, variables and measurement, upgrade your version of Internet Explorer. The standard error decreases as the sample size decreases. The standard deviation is calculated only from sample attributes. Select two correct responses from the following: Where in the plant does photosynthesis take place? There are basically two types of statistics – descriptive and inferential. Pondweed is a green plant that lives in water. What is the function of photosynthetic tissue in plants? 1. The standard error decreases as the sample size increases. In the experiment shown, bubbles of gas are seen to be formed when pondweed photosynthesises. In the presence of light pondweed undergoes photosynthesis. Another name for this food is. 4. plants convert sunlight into energy. During an experiment to test a green leaf for starch, iodine solution is placed on the leaf with a dropper. These short objective type questions with answers are very important for Board exams as well as competitive exams IIT-JEE, AIIMS, NEET etc. The standard error increases as the sample size increases. The correct answer is d) The standard error decreases as the sample size increases. 3. In which one of the following plants does photosynthesis NOT take place? The word equation describing photosynthesis is: Farmers do not put their cows out in the field during winter because there is less grass growth. Photoluminescence is an important technique for measuring the purity and crystalline quality of semiconductors. What colour is usually associated with chlorophyll. These short solved questions or quizzes are provided by Gkseries. Which one of the following statements concerning a green plant left outdoors is true? During photosynthesis, how does carbon dioxide get into the plant? Which one of the following statements about photosynthesis is incorrect? In an experiment a student has to de-starch the leaves of a plant. Ltd. 5. The correct answer is b) That the test statistic is larger than we would expect if there were no effect in the population. How is this done? There is an important effect. Pondweed is a green plant that lives in water. Which of the following statements is true? Which one of the following word equations best describes the process of photosynthesis? 1. A group of pupils investigated the way in which the colour of light affects photosynthesis. … Which of the following sentencesare true about descriptive statistics? Apart from glucose, what other substance is produced during photosynthesis? Mole Concept Multiple Choice Questions and Answers for competitive exams. A student investigated the effect of temperature on the rate of photosynthesis in pondweed. Which one of the following is used to test for the presence of starch in a leaf? Tests are done on four leaves similar to those shown. In an experiment to test a green leaf for starch, the leaf is initially placed in boiling water. Which leaf will give a negative result? Free download in PDF Mole Concept Multiple Choice Questions and Answers for competitive exams. You will get a different set of questions each time you attempt this quiz. Biology Multiple Choice Questions and Answers for Different Competitive Exams Evolution Multiple Choice Questions (MCQ) and Quizzes MCQ Biology - Learning Biology through MCQs That the test statistic is larger than we would expect if there were no effect in the population. The negative lead of a thermocouple is always … Can be used to determine the band gap, exciton life time, exciton You are using a browser version that is no longer supported by this website and could result in a less-than-optimal experience. What is the gas produced? What does a significant test statistic tell us? Terms of Service • Copyright Notice • Privacy PolicyPrivacy Policy. To ensure full site functionality, please use an alternative web browser or upgrade your version of Internet Explorer. Quizzes are available to test your understanding of the key concepts covered in each chapter. The plant shown in the diagram was left in total darkness overnight and then exposed to strong sunlight for four hours. In the presence of light pondweed undergoes photosynthesis and a gas is produced as one of the products. What is the relationship between sample size and the standard error of the mean? These short objective type questions with answers are very important for Board exams as well as competitive exams IIT-JEE, AIIMS, NEET etc. ? Click on the quiz below to get started. Descriptive statistics enable you to make decisions about your data, for example, is one group mean significantly different from the population mean? Try it as often as you like. (no starch found)? Multiple choice quiz of 20 questions. Using Time-resolved photoluminescence (TRPL) one can determine the minority carrier lifetime of semiconductors like GaAs.

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