Karnataka 2nd PUC Biology 2024 Answer Key, Question Paper and Exam Analysis

Karnataka 2nd PUC Biology 2024 Answer Key: Today, Mar 18, 2024, the Department of Pre-University Education, Karnataka, conducted the Biography exam. Students must refer to the unofficial Karnataka 2nd PUC Biology 2024 answer key prepared by subject experts and professionals to help students examine their performance.

Also Read: Karnataka 2nd PUC Geography 2024 Answer Key

Karnataka 2nd PUC Biology 2024 Question Paper

The Karnataka 2nd PUC Biology 2024 question paper is provided here for the students to match their responses to the answer key.

Karnataka 2nd PUC Biology 2024 Answer Key 

Q1. The function of Tapetum in microsporangium is

1. It nourishes the developing pollen grains
2. Helps in dehiscence of anther to release the polen
3. Helps in protection
4. Helps in division

Ans. A. It nourishes the developing pollen grains

Q2. Which polination brings geneticaly different types of pollen grains to the
stigma?

1. Geitonogany
2. Xenogamy
3. Autogamy
4. Both a) and b)

Ans. B. Xenogamy

Q3. The corpus luteum secretes large amounts of progesterone, which is essential for maintenance of

1. Perimetrum
2. Myometerurn
3. Endometerum
4. Cervical canal

Ans. C. Endometrium

Q4. The secondary spermatocytes undergo the second maicc divinion to produce four equal, haploid

1. Spermatogonium
2. Spermatids
3. Primary spenatocyte
4. Secondary spermatocyte

Ans. B. Spermatids

Q5. In female sterilisaion A is removed or tied. This process is called B

1. A-Cervix B-Vasectomy
2. A-Falloplan tube B-Tubectomy
3. A-Cervix B-Tubectomy
4. A-Fallopian tube B-Vasectony

Ans. B. A-Fallopian tube B- Tubectomy

Q6.  Statement I- Progestogens alone or in combinatlion with estrogen can also be used by females as injections or implants under the skin

Statement II- Mode of action of injections or implants is simlar to That of pils and their effective periods are much longer.

1. Both Staterment and ll are corect
2. Statement I is corect and Statement i is incorect
3. Statement t is incorrect and Statement i is correct
4. Both Statement I and ll are incorect

Ans. A. Both Statement I and II are correct

Q7. In human males XY type of sex determination is

1. Homogametic
2. Hetorogametic
3. Both a) and b)
4. Isogametic

Ans. B. Heterogametic

Q8. In Gntfith's experiment mice infected with the A die from pneurnonia infecion, but mice infected with B don't develop pneurnonia

1. A -S-Strain, B -S-Strain
2. A -’S-Strain, B-R-Strain
3. A RStrain: B -S-Stran
4. A R-Strain, B-R-Strain

Ans. B. AS-Strain; BR- Strain

Q9. Which is the correct statement regarding Founder efect?

1. Named after the scientist John founder
2. No large change in frequency
3. The original dried poputation become founders
4. Formation of no species

Ans. C. The original drifted population become founders

Q10. Large group of Lymphoid tissue in respiratory, digestive and urogenital tract are collectivety called.

1. MALT
2. Peyer's Patches
3. Lymph nodes
4. Aipha globulins

Ans. A. MALT

Here, the unofficial Karnataka 2nd PUC Biology 2024 answer key link is provided here.

Karnataka 2nd PUC Biology 2024 Exam Analysis

The Karnataka 2nd PUC Biology 2024 exam analysis is prepared by subject experts based on the candidate's feedback.

Students can recall their responses with the help of the Karnataka 2nd PUC Biology 2024 question paper and match them with the correct answers from the Karnataka 2nd PUC Biology 2024 answer key. This way, they can calculate their scores until the Karnataka 2nd PUC Biology result 2024 is announced on the official website.