File Details:
{"file_name":"bihar-board-class-12-biology-2015.pdf","subject":"Biology","board":"Bihar Board","class":"12","year":"2015"}
Questions:
- Write a brief comment about asexual reproduction in organisms.
- Explain the menstrual cycle and menstruation cycle.
- Describe Mendel's laws based on monohybrid cross.
- Differentiate between DNA and RNA.
- Write a short note on chemical evolution.
- Discuss briefly how diseases spread.
- Provide a short description of poultry farm management.
- What is plasmid? Explain its structure and utility.
- Discuss the benefits of transgenic animals.
- Write briefly about the forms of total population.
- Illustrate and explain hydrophytes, xerophytes, and mesophytes with examples.
- Describe gastrulation and the formation of germ layers with diagrams or explain human sperm structure with a labeled diagram.
- Define linkage and linkage groups. Discuss the effect and importance of linkage or explain the concept and components of the ecosystem.
- Explain micropropagation and its techniques with illustrations or suggest measures to improve milk production and quality in dairy farming.
- Define conservation and describe methods for conserving biological resources or provide brief comments on restriction enzyme and cholera including causes, symptoms, and control.
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