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In this video,

️ Class: 12th
️ Subject: Biology
️ Topic Name: Magnet Brains Sample Paper Solution (Paper 4)
️ Topics Covered In This Video (By Muskan Mam): This video provides a detailed explanation of the recently issued Magnet Brains Sample Paper Solution Class 12 Biology. The video is hosted by experienced biology teacher, Muskan Mam. It provides an in-depth analysis of the solutions for the entire CBSE Paper, offering you tips and tricks that can help you understand the subject better. It also explains each step of the solution, allowing you to gain a comprehensive understanding of the paper and its solutions. Furthermore, it contains helpful tips and strategies that can help you prepare for the upcoming CBSE Board exams. So whether you are studying Biology for class 12 or just want to stay on top of your studies, this video is sure to help you succeed.
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00:00 introduction: Magnet Brains Practice Paper Solution - Paper 4
03:49 General Instructions:
06:34 Section A - (MCQs) 1 to 10 - Que. 1 The flowers shown in the image exhibits which phenomenon.
45:08 (MCQs) 11 to 16 - Que. 11 Identify (1) and (II) in the above flow chart.
1:02:41 Section B (MCQs) - 17 to 21 - Que. 17 From the following table, identify the empty spaces marked (A), (B), (C), and (D):
1:33:17 Section C (MCQs) - 22 to 28 - Que. 22 Differentiate between the functions of flocs and anaerobic sludge digesters in the treatment of sewage.
3:06:33 Section D (MCQs) - 29 to 30 - Que. 29 In her kitchen garden, Preksha had a pea plant with purple flowers that she was trying to identify the genotype of. She crossed a purple flowered plant with a white flowered plant to achieve this. As a result, the only flower produced on every plant was purple. These plants on selfing produced 25 white flower plants and 75 purple flower plants. She can now cross a purple flowering plant with a white flowering plant to determine its genotype.
3:39:22 Section E (MCQs) - 31 to 33 - Que. 31 A virus that uses RNA as its genomic material is referred to as a retrovirus. When a cell becomes infected with a retrovirus, the retroviral RNA is
converted to retroviral DNA, which is then inserted into the DNA of the host cell. More retroviruses are then produced by the cell, infecting additional cells. Many diseases, including AIDS and some types of cancer, are linked to retroviruses.
4:49:40 Website Overview
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