Class 12 Sample Paper 2022 Solution Biology Term 1
Finished viewing? Save it for later —
Download Class 12 Sample Paper 2022 Solution Biology Term 1 (PDF · 4 pages)About Class 12 Sample Paper 2022 Solution Biology Term 1
Class 12 Sample Paper 2022 Solution Biology Term 1 is available here for free download. Published by AglaSem for Class 12, this sample paper can be viewed online or downloaded as a PDF (4 pages). Candidates preparing for Class 12 can use Class 12 Sample Paper 2022 Solution Biology Term 1 to understand the exam pattern, the type of questions asked, and the overall difficulty level.
Frequently Asked Questions
How can I download Class 12 Sample Paper 2022 Solution Biology Term 1?
Open this page and click the Download button to save Class 12 Sample Paper 2022 Solution Biology Term 1 as a PDF. It is completely free on AglaSem Docs.
Is Class 12 Sample Paper 2022 Solution Biology Term 1 free to download?
Yes. Class 12 Sample Paper 2022 Solution Biology Term 1 can be viewed online and downloaded as a PDF free of cost on AglaSem Docs.
How many pages does Class 12 Sample Paper 2022 Solution Biology Term 1 have?
Class 12 Sample Paper 2022 Solution Biology Term 1 contains 4 pages, which you can read online or download together as a single PDF.
Where can I find more Class 12 study material?
You can find more Class 12 question papers, sample papers, syllabus, and answer keys on AglaSem Docs.
Class 12 Sample Paper 2022 Solution Biology Term 1 – Text
Read the full text of this sample paper below — useful to quickly search, copy and reference the content online without downloading the PDF.
📄 View text version (4 pages)
Page 1
MARKING SCHEME
PRACTICE PAPER (2021-22)
CLASS : XII
SUBJECT: BIOLOGY (044)
Time Allowed : 90 min. Maximum Marks : 40
SECTION-A
1. (b) Central Cell
2. (b) Tubectomy, Vasectomy
3. (d) A-(I), B-(III), C-(II)
4. (c) 6,4
5. (b) ii, iii
6. (d) Testis and secrete androgens
7. (d) Spermatogonia - spermatocyte - spermatid – sperms
8. (d) ‘O’ blood group
9. (a) Glutamic acid, Valine
10. (c) 30%
11. (a) 4
12. (c) 23 SrRNA
13. (a) splicing
14. (b) Parthenocarpy
1 XII-BIOLOGY-M
Page 2
16. (d) Fertilisation
17. (d) Multiple phenotypes
18. (b) I(d), II(a), III(b), IV (c)
19. (b) Chromosome 1 & Y
20. (a) (I), (II), (III) and (IV)
21. (b) A, B, D
22. (a) Polygenic inheritance
23. (c) Test cross
24. (d) 250
SECTION-B
25. (D) A is false but R is true.
26. (A) Both A and R are true and R is the correct explanation of A.
27. (A) Both A and R are true and R is the correct explanation of A.
28. (A) Both A and R are true and R is the correct explanation of A.
29. (C) A is true but R is false.
30. (a) 7 pairs
31. (b) A (Trophoblast), B (Inner cell mass) and embryo stage (Blastocyst)
32. (d) Sex Linked recessive gene disorder
2 XII-BIOLOGY-M
Page 3
34. (a) tRNA
35. (b) ambiguous
36. (d) Free nuclear, cellular
37. (d) All three
38. (c) Peptide bond
39. (a) -196 degree celsius
40. (c) A(2), B(3), C(1), D(4)
41. (b) A(1), B(2), C(3), D(4)
42. (c) 7-celled, 8-nucleate structure
43. (b) A(DNA), B(H1 Histone), C(Histone octamer)
44. (b) ‘A’ is having 2'-OH group which makes it less reactive and
structurally stable, whereas ‘B is having 2'-H group which makes it
less reactive and structurally.
45. (c) Perisperm
46. (b) A(2), B(3), C(4), D(1)
47. (b) Single nucleotide polymorphism
48. (c) A(Promoter), B(Transcription starts), C(Terminator), D(Template
strand), E(coding strand)
3 XII-BIOLOGY-M
Page 4
49. (c) 14 day
50. (d) LH
51. (a) Corpus luteum
52. (b) Menstrual, Follicular, Ovulatory and Luteal
53. (d) 50 years
54. (d) Corpus luteum, progesterone
55. (c) Both ‘a’ and ‘B’
56. (c) Affected individual is a female with Down’s syndrome
57. (d) Lactose cannot enter the cells
58. (d) All three
59. (c) Both ‘a’ and ‘b’
60. (b) Lactose is present and it binds to the repressor
Questions for blind candidates
5. (b) False fruits
31. (d) Blastula
43. (a) Positive charge
44. (c) Down syndrome
48. (c) RNA Polymerase
4 XII-BIOLOGY-M
Document Details
| Board / Org | Aglasem |
| Exam | Class 12 |
| Type | Sample Paper |
| Pages | 4 |
| Updated | 22 Jul 2026 |