KSEAB 12th Biology Paper 2024: The Karnataka State Examination Board's (KSEAB) Class 12th Biology exam for academic year 2023–24 is over on Monday, March 18, 2024. The exam was conducted successfully at various centres all across the state of Karnataka. The paper had questions from different topics covered in the KSEAB 2nd PUC Biology syllabus, including genetics, biotechnology, etc.
The exam started at 10:15 a.m., and the answer sheets were collected at 1:30 p.m. This was an important exam for science stream students and will impact the result directly. There were a total of 47 questions in the paper, of which 35 were compulsory to attempt. Students did all they could and tried to complete the paper by investing all the subject knowledge they possessed. To learn about the KSEAB 12th Biology exam analysis, paper pattern, and other related queries, check out this article. The question paper and answer key are provided here for your reference.
Karnataka 2nd PUC Basic Biology Exam 2024: Key Highlights
Check the basic highlights and concise information related to KSEAB 12th Biology exam 2024 from the table below:
| Particulars | Details |
| Conducting Board | Karnataka School Examination and Assessment Board (KSEAB) |
| Official Website | kseab.karnataka.gov.in |
| Mode of Exam | Offline |
| Subject Name | Biology |
| Subject Code | 36 |
| Exam Date | March 18, 2024 |
| Exam Timing | 10.15 a.m - 1.30 p.m |
| Exam Duration | 3 hours, 15 minutes |
| Total Marks | 70 Marks |
| Format of Questions | MCQs, Fill in the blank, Short and Long Answer Type |
| Difficulty Level | Moderate |
KSEAB 12th Biology Paper Design 2024
The Karnataka 2nd PUC Biology Paper 2024 was divided into four parts: A, B, C, and D. All these parts had specific types of questions to check students’ learning and understanding of the concepts. Internal choices were given to students to ensure they did the best of their ability. Check out the complete KSEAB Biology Class 12 paper design 2024 from the table below:
| Question Paper Part | Type of Question | Marks |
| Part A | ||
| I | Multiple Choice | 15 |
| II | Fill in the blank | 5 |
| Part B | ||
| Total 8 Questions | Answer any five (Short answer type) | 5 x 2 = 10 |
| Part C | ||
| Total 8 Questions | Answer any five (Short answer type) | 5 x 3 =15 |
| Part D | ||
| V | Answer any four out of eight (Long answer type) | 4 x 5=20 |
| VI | Answer any one out of three (Long answer type) | 1 x 5= 5 |
KSEAB 2nd PUC Biology Exam Analysis 2024
As per students, the Karnataka Board 12th Biology paper covered all the topics that were covered in the syllabus as per the weightage. The paper had questions in the format of objective questions, short answer types, and long answer types.
The experts say that the KSEAB Biology paper for 2nd PUC students was designed to test four main skills: remembering, understanding, application, and high-order thinking. Overall, the paper was interesting, and students who had their basic knowledge must have performed well.
| KSEAB 2nd PUC Biology Paper PDF 2024 | Download PDF |
KSEAB 2nd PUC Biology Answer Key 2024
Question 1. Select the correct alternative from the choices given below:
1) The Function of Tapetum in microsporangium is
a) It nourishes the developing pollen grains
b) Helps in dehiscence of anther to release the pollen
c) Helps in protection
d) Helps in division
Answer: a) It nourishes the developing pollen grains
2) Which pollination brings genetically different types of pollen grains to the stigma?
a) Geitonogamy
b) Xenogamy
c) Autogamy
d) Both a) and b)
Answer: b) Xenogamy
3) The corpus luteum secrets large amounts of progesterone, which is essential for maintenance of
a) Perimetrium
b) Myometrium
c) Endometrium
d) Cervical canal
Answer: c) Endometrium
4) The secondary spermatocytes undergo the second meiotic division to produce four equal haploid
a) Spermatogonium
b) Spermatids
c) Primary spermatocyte
d) Secondary spermatocyte
Answer: b) Spermatids
5) In female sterilisation ____A____ is remove or tied. This process is called ____B____ .
a) A- Cervix B-Vasectomy
b) A-Fallopian tube B-Tubectomy
c) A-Cervix B-Tubectomy
d) A-Fallopian tube B-Vasectomy
Answer: b) A-Fallopian tube B-Tubectomy
6) Statement I- Progestogens alone or in combination with estrogen cam also be used by females as injections or implants under the skin.
Statement II- Mode of action of injections or implants is similar to that of pills and their effective periods are much longer.
a) Both statement I and II are correct
b) Statement I is correct and Statement II is incorrect
c) Statement I is incorrect and Statement II is correct
d) Both Statement I and II are incorrect
Answer: a) Both statement I and II are correct
7) In human males XY type of sex determination is
a) Homogametic
b) Heterogametic
c) Both a) and b)
d) Isogametic
Answer: b) Heterogametic
8) In Griffith's experiment, mice infected with the __A__ die from pneumonia infection, but mice infected with __B__ don't develop pneumonia.
a) A→S-Strain; B→S-Strain
b) A→S-Strain; B→R-Strain
c) A→R-Strain; B→S-Strain
d) A→R-Strain; B→R-Strain
Answer: b) A→S-Strain; B→R-Strain
Wait for the further answers......
Also Read:
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