ISC Class 12 Biotechnology Answer Key 2021-22 – Council for the Indian School Certificate Examinations (CISCE) has conducted ISC Class 12 Biotechnology Semester 1 exam on December 3 from 2:00 PM to 3:30 PM. Students who appeared for the English Literature exam can download the answer key here.
The ISC Class 12 Answer Key 2021-22
ISC Class 12 Semester 1 Biology answer key 2021-22 has been updated. You can check the question-wise answers in the table below –
| 1 – A (The Inducer) | 16 – D (Streptokinase) | 31 – B (3 billion) |
| 2 – B (Hershey and Chase) | 17 – B (Dragonfly) | 32 – C (Gene flow) |
| 3 – D (UAA, UAG, UGA) | 18 – C (2pq) | 33 – B (Saccharomyces cerevisiae) |
| 4 – B (50%) | 19 – A (small isolated population) | 34 – C (Mycorrhiza) |
| 5 – A (Test Cross) | 20 – D (Eyelids) | 35 – D (Perisperm represents the persistent endosperm) |
| 6 – D (Birds) | 21 – B (Heterogeneous nuclear Ribonucleic acid) | 36 – C (Use and disuse of organs) |
| 7 – C (Four Months) | 22 – A (Intrauterine contraceptive device) | 37 – C (A – (ii), B – (iii), C – (i), D – (iv)) |
| 8 – A (Frog) | 23 – C (Ernst Haeckel) | 38 – D (A – (iii), B – (i), C – (ii)) |
| 9 – C (100) | 24 – D (Henking) | 39 – D (Apes) |
| 10 – A (57) | 25 – C (Senescence) | 40 – A (Ladybird beetles) |
| 11 – B (Pectocellulose) | 26 – B (Special proteins) | 41 – C (Assertion is true but the reason is false) |
| 12 – A (Zona pellucida) | 27 – A (Ovary to the uterus) | 42 – C (Assertion is true but the reason is false) |
| 13 – D (In spermiogenesis, spermatozoa are formed; while in spermiation, spermatozoa are released from the Sertoli cells) | 28 – B (16) | 43 – A (Both assertion and reason are true, and the reason is the correct explanation of the assertion) |
| 14 – B (Amniocentesis) | 29 – C (Progesterone) | 44 – C (Assertion is true but the reason is false) |
| 15 – D (Cervical cap) | 30 – C (Klinefelter’s syndrome) | 45 – C (Assertion is true but the reason is false.) |
| 46 – 1 – A (Leading strand) 2 – C (DNA ligase) 3 – D (Semi-discontinuous) 4 – C (Okazaki fragments) 5 – C (cause the polymerisation of the complementary daughter strand) | ||
| 47 – 1 – A (Spermatogonia) 2 – C (FSH and LH) 3 – B (P-primary spermatocytes, R- spermatids) 4 – A (Mitochondria) 5 – B (At the onset of puberty) | ||
| 48 – 1 – B (Municipal wastewater) 2 – A (mechanical removal of grit) 3 – C (Masses of bacteria associated with fungal filaments) 4 – B (Decreases) 5 – D (Methane) | ||
| 49 – 1 – A (Assisted reproductive technology) 2 – C (Fertilization of the ovum with sperms in a petri dish) 3 – A (ZIFT) 4 – A (Irregular or no ovulation) 5 – D (It does not need hospitalisation) | ||
| 50 – 1 – A (A symbol of a square and a circle joined by a horizontal line) 2 – B (Recessive trait) 3 – D (An X-linked recessive trait) 4 – A (Autosomal dominant) 5 – B (Autosomal recessive trait) |
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ISC Class 12 Biotechnology Answer Key 2021-22 Download PDF: Click Here
How to download Official Answer key
Students can download ISC Class 12 Biotechnology and Legal Studies Answer Key 2021 – 2022 from the official webpage- cisce.org. The method referred to below does not require any authentication or login credentials and can be accessed directly by the students whenever required.
- 1st Step – Students are required to visit CBSE official webpage of CISCE- cisce.org
- 2nd Step– On the official webpage of CISE, find the “News”. Under the news box, students can locate the news regarding “ISC Class 12 Computer Science Answer Key 2021-22 ” link.
- 3rd Step – After Clicking on the provided link, it will lead the user to a new webpage that would consist the available answer keys of all the subjects.
- 4th Step – Students can further locate Bussiness studies and legal studies Answer Key from the list and download the same.
- 5th Step – For future use candidates can downlaod and take out the printout of both the Answer Key.
FAQ’s
The students can download CBSE ISC Class 12 Answer Key 2021-22 from the official website of the CISCE Board as mentioned above in the article or from this page.
The CBSE Class 10th Result 2022 will be declared probably two months after the exams are finished tentatively in January or February.
The ISC Class 12 Answer Key 2021-22 will be released after the completion of the ICSE Class 10th Exams 2021-22.