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Maharashtra HSC Biology Answer Key 2024 (Image Credit: Pexels)Maharashtra HSC Biology Answer Key 2024 : The answer key for all the objective questions asked in Maharashtra HSC Biology 2024 examination is shared here for the exam held on March 6, 2024. Though the answer key is unofficial in nature, candidates will be able to tentatively estimate their overall performance in the test by referring to it. The answers to all the questions from Section A are updated on this page. Do note that the subjective questions will not be answered as they will depend on the candidate’s writing style, perspective, and content.
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Maharashtra HSC Biology Answer Key 2024
Below candidate can check Maharashtra HSC Biology Answer Key 2024 (unofficial) for all the MCQ-type questions:
Section A Question 1: Multiple-Choice Questions
| Question 1 (Sub Question Number) | Answers |
|---|---|
| (i) Identify the growth hormone in plants which causes inhibitory effect. | (b) Abscissic acid |
| (ii) Which one of the following is not a part of lac operon? | (c) Inducer |
| (iii) In absence of fertilization, corpus luteum degenerates into ______. | (d) corpus albicans |
| (iv) Which of the following divides nasal cavity? | (b) Mesethmoid cartilage |
| (v) Which of the following is caused by an unsterilized needle? |
Wrong question.
AIDS, Malaria, and Dengue can all be caused/transferred by an unsterilized needle. |
| (vi) Recognition sequence of restriction enzymes are generally ______ nucleotides long. | (b) 4 to 8 |
| (vii) Which of the following types require pollinator but result is generally similar to autogamy? | (a) Geitonogamy |
| (viii) Which one of the following does not evolve further? | (a) Climax community |
| (ix) Identify the appropriate term for the number of births under ideal conditions: | (d) Absolute natality |
| (x) Observe the graph and select correct option: | (c) Line A represents S = CA Z |
Section A Question 2: Answer the Following Questions
| Question 2 (Sub Question Number) | Answers |
|---|---|
| (i) What are vestigeal organs? | Vestigial organs are organs, tissues or cells in a body which are no more functional the way they were in their ancestral form of the trait. |
| (ii) Expand the term ZIFT. | ZIFT stands for Zygote Intra-Fallopian Transfer. It is an ART (Assisted Reproductive Technology) procedure used to treat infertility. In ZIFT, fertilization happens in a laboratory, and the thus-formed zygote is conveyed to the Fallopian tube of the mother using laparoscopy. ZIFT is identical to IVF throughout ovarian stimulation, egg retrieval, and fertilization |
| (iii) Give the name of endocrine gland which is prominent at birth but gets gradually atrophied in adult stage. | Thymus gland |
| (iv) What is the full form of IAA? | IAA stands for "Indole Acetic Acid". |
| (v) Give the name of microbial source of antibiotic chloromycetin. | Streptomyces Venezuelae. |
| (vi) Which cells of islets of Langerhans produce a hormone insulin? | Beta Cells |
| (vii) How many meiotic divisions are required for the formation of 300 seeds in angiosperm? | 375 |
| (viii) Explain the term Emigration. | Emigration occurs when an organism leaves its habitat or population. |
Section B Question 1: Answer the following
| Question Number | Answers |
|---|---|
|
Q.4. Arrange the following steps of DNA fingerprinting in correct sequence:
(a) Gel electrophoresis (b) Isolation of DNA (c) Southern blotting (d) Restriction digestion | (b) Isolation of DNA → (d) Restriction digestion → (a) Gel electrophoresis → (c) Southern blotting |
|
Q. 13. Select and rewrite appropriate disorder of respiratory system with the given symptoms:
[sinusitis, emphysema, silicosis and asbestosis, laryngitis] (a) Breakdown of alveoli, shortness of breath. (b) Inflammation of the sinuses, mucous discharge. (c) Inflammation of larynx, vocal cord, sore throat, hoarseness of voice, mucous build-up and cough d) Inflammation of fibrosis, lung damage. |
(a) emphysema
(b) sinusitis (c) laryngitis (d) silicosis and asbestosis |
Maharashtra HSC Biology 2024: Analysis and Question Paper
Below, the candidates can check the Maharashtra HSC Biology 2024 question paper along with the detailed analysis:
Maharashtra HSC Answer Key 2024 Links |
The answer keys for the respective day-wise exams are available at the links below:
| Subject | Maharashtra Class 12 Answer Key 2024 Link |
|---|---|
| Sociology | Maharashtra HSC Sociology Answer Key 2024 |
| Geography | Maharashtra HSC Geography Answer Key 2024 |
| Computer Science 2 | Maharashtra HSC Computer Science 2 Answer Key 2024 |
| Psychology | Maharashtra HSC Psychology Answer Key 2024 |
| Computer Science 1 | Maharashtra HSC Computer Science 1 Answer Key 2024 |
| Economics | Maharashtra HSC Economics Answer Key 2024 |
| BKA | Maharashtra HSC Book Keeping & Accountancy Answer Key 2024 |
| Mathematics | Maharashtra HSC Mathematics Answer Key 2024 |
| Political Science | Maharashtra HSC Political Science Answer Key 2024 |
| Chemistry | Maharashtra HSC Chemistry Answer Key 2024 |
| Secretarial Practice | Maharashtra HSC Secretarial Practice Answer Key 2024 |
| Physics | Maharashtra HSC Physics Answer Key 2024 |
| OCM | Maharashtra HSC OCM Answer Key 2024 |
| English | Maharashtra HSC English Answer Key 2024 |
Maharashtra HSC Weightage 2024 Subject-Wise |
Candidates can check Maharashtra 12th 2024 subject-wise weightage of upcoming papers, along with question bank, paper pattern, and question bank here:
