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CBSE Class 12 Sample / Model Paper 2022 : Biology - Term I (with Marking Scheme / Solutions)

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SAMPLE QUESTION PAPER (TERM I) 2021-22 CLASS XII BIOLOGY Time: 90 Minutes General Instructions: 1. The Question Paper contains three sections. 2. Section A has 24 questions. Attempt any 20 questions. 3. Section B has 24 questions. Attempt any 20 questions. 4. Section C has 12 questions. Attempt any 10 questions. 5. All questions carry equal marks. 6. There is no negative marking. SECTION - A Section A consists of 24 questions. Attempt any 20 questions from this section. The first attempted 20 questions would be evaluated. 1 The structure of bilobed anther consists of A. 2 thecae, 2 sporangia B. 4 thecae, 4 sporangia C. 4 thecae, 2 sporangia D. 2 thecae, 4 sporangia 2 In the figure of anatropous ovule given below, choose the correct option for the characteristic distribution of cells within the typical embryo sac Number of cells at chalazal end Number of cells at micropylar end Number of nuclei left in central cell A 3 2 3 B 3 3 2 C 2 3 3 D 2 2 4 1

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