Скачать или смотреть Class 12 Biology CBSE 2021 - Previous Year Questions (Set 1 Solved) | Solved Paper | Board Exam

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📢 Full Playlist Link:    • Class 12 Biology Previous Year Questions (...  

✅ In this video,

✔️ Class: 12th
✔️ Subject: Biology
✔️ Topic Name: CBSE 2021 Previous Year Questions
✔️ Topics Covered In This Video (By Muskan Mam): This video provides an in-depth look into the CBSE 2021 previous year's questions of Class 12 Biology. Muskan Mam breaks down the solutions to the questions, explaining each step with easy-to-understand language. Additionally, there are also discussion and practice questions included. This is a great video for those who need help understanding Biology, and an even better resource for those with upcoming exams.
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00:00 introduction: Previous Year Question Paper 2021 (Set 1 Solved)
03:58 General Instructions
07:07 Section A. consists of 24 questions. Attempt any 20 questions from this section.
The first attempted 20 questions would be evaluated. (Que 1-24) - Que. 1 The hilum in a typical angiosperm ovule represents the junction between-
01:12:11 Section B:(Que 25 to 48) - Section - B consists of 24 questions. (SI. No. 25 to 48) Attempt any 20 questions from this section. The first attempted 20 questions would be evaluated: Question No. 25 to 28 consists of two statements Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
01:15:26 Que. 25 Assertion (A): Through Reproductive and Child Health (RCH) programmes in India, we could bring down the population growth rate.
03:06:35 Section C: consists of one case followed by 6 questions linked to this case (Q. No. 49 to 54). Besides this, 6 more questions are given. Attempt any 10 questions in this section. The first attempted 10 questions would be evaluated.
03:06:37 Case: A women of 35 years age with a married life of eight years and having normal reproductive cycles visits a doctor along with her husband for consultation for infertility. They were not using any contraceptive methods. They have no child. The doctor advises them after a detailed physical examination of both of them to undergo following investigations:
03:13:28 Que. 49 Seminal analysis of the husband was done for determining -
(i) Sperm morphology and sperm count
(ii) Quantity and pH of semen
(iii) Rate of sperm release into the Vagina
04:20:56 Website Overview
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